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  • #91
    kolibri, in post #81 above you quote your own question in the shaded box. But in post #33 above that question is answered along with details and an external link.

    But with facts, truthful examples and many responses posted if you still don't get how absurd your rants have become I for one won't stop replying because that would appear to you that I came around to your views. Game on.

    Comment


    • #92
      Originally posted by Kolibri View Post
      fara, because you left it so vague, please just answer the below two questions:

      1) you have a degree in Mechanical Engineering?
      2) you used that ME degree knowledge in testing 304 SS against 4130 chrome-moly for gyro mast material life cycle?

      You keep referring to having designed aircraft and gotten them certified.
      You're talking about your trikes, correct?

      Regarding Silverlight Aviation, I've heard that Greg Spicolli is the designer, and that you're not even a rated gyro pilot.
      Please correct any misinformation relayed to me about that.

      And isn't the AR-1 essentially a copy of the Apollo AG1 from Hungary, a gyro that you did not design and which already had a stainless steal mast?





      In fact, the AR-1 is such a faithful copy that you still use metric bolts, even though your Florida factory suffers no supply issue of AN hardware.

      ___________
      My point in these posts is to illustrate the copy of a copy of a copy nature of too many gyros on the market,
      as well as challenge the "
      Well, it's always been done it that way!" philosophy of most gyro kit mfg.

      Thanks,
      Kolibri
      Kolibiri:
      AR-1 is certainly based from an AG-1. No doubt abut it and I have never hidden that fact but its not a faithful copy. Very sorry to disappoint you. You have never seen the two side by side and carefully examined them. There are tons of differences including dimensions of the frame and geometry, including where tail is in height, including mast height and including keel tube position from the datum in relation to rest of the frame and including slight changes to the body and of course the tail. and front fork (which honestly was inspired by Titanium gyroplane but not copied from it), including front seat frame and its actual composite seat that we changed drastically based on customer input and including geometrical differences in the rotorhead mechanisms. All the trim system and rotor brake mechanism was re-designed and made electro-mechanical instead of pneumatic that to me looked troublesome and not appropriate for a recreational aircraft. And no there are no metric bolts on AR-1 structure except of course for Rotax engines and for Averso rotor.

      We use AN hardware and some industrial fasteners that are all not metric. You really shouldn't talk about stuff you have no idea about. Seriously dude, get a different hobby than arguing incessantly.

      In reference to the photo of the very early mast of an early AR-1 you posted, I completely agree that even though structurally the welding is fine, its appearance is not to the standard I wanted for our product, because that is all what people see. The welding at that time was outsourced to a sub-contractor and was later brought in house and the quality of its appearance and of the whole fabrication quickly got higher by a few notches as anyone with any eye for such things can easily tell. That was the main point to bring that process in house where I could control it under my nose and up our game to world class in both structural and process but also in fit and finish and we did and we are upping our game further everyday with the help of our staff and using materials like carbon fiber and kevlar/carbon within the main body now to reduce weight, improve aesthetics while keeping the strength.

      Besides trikes which honestly structurally are closer to gyroplanes, I have worked on two airplane designs heavily. I have worked on certifying in a significant capacity 4 other airplanes as well. Searey being fairly public knowledge so I can tell you without violating my NDA that Searey's whole certification (including all design changes to get it to that point) were lead by me and I lead the whole project for SLSA with a 5 person 7 day FAA AIR-200 audit in the end, when FAA was heavily disappointed in LSA industry and Searey was the first plane in 2.5 years of them doing audits for LSA industry to pass the audit without first failing it. The likes of planes that had failed the FAA audit included big names like Tecnam, Rans aircraft and every other audit FAA had conducted so far. FAA was impressed enough that FAA Small Aircraft Branch in Kansas recommended Searey's then CEO Adam Yang for LAMA's person of the year award. Shortly after that I took Searey through a Type Certification with CAAC in Bejing and then a production Certification with CAAC. We were the first American made SLSA to be exported to China. There are 50+ Searey's ordered from China because of that. I have long left that project. The price of the Type Certificated Searey in China is $80k more than SLSA one in the US.

      https://www.bydanjohnson.com/searey-...omes-slsa-129/

      https://generalaviationnews.com/2013...arey-shepherd/

      https://www.bydanjohnson.com/searey-...o-enter-china/

      https://www.bydanjohnson.com/new-sea...-of-get-up-go/

      Others I cannot talk too much about because of NDAs. Even today I have side projects of helping 3 airplanes do either design changes and testing or consulting in manufacturing system setup to pass FAA muster. One being a popular twin engine experimental airplane. I try and do that on the weekends. One significant one I can just mention is American Legend SuperCub clone including the amphibian package with water loads etc. Cannot give you any more details.

      Where did you hear that Greg Spicola is the designer? Why is that even a point for you to come up with? I am very surprised. Its no one's business who the designer or designers are. Its SilverLight Aviation. If I left SilverLight Aviation today, the design of AR-1 belongs to SilverLight Aviation. Not even me. That's an emphatic fact and the rest is bull. The company owns the design. That's how a normal business works. Just like Searey belongs to Progressive Aerodyne not to Kerry Richter personally. There have been many contributions along the way, including young engineers from USF and UCF who worked on it with us and some were very smart and some may be not as much. But they are all valuable and in service of SilverLight Aviation, the company and the brand. I just happen to be its face right now as its major shareholder and manager. You'd get closer to the facts if you considered SilverLight Aviation rather than individuals. At one point there were 4 engineers sitting in a room executing design ideas, doing FEA simulations, getting results and making changes after design review discussions. This went on for a good 8 months before the prototype was made.

      So now that I have answered your very valuable questions (?), you answer mine. How many aircraft have you put in production. What engineering degrees do you hold. How many aircraft companies have you helped with design or modifying design or certify or setup production systems and matured them? Never mind even aircraft, how many machines of decent complexity have you designed and how many machines manufacturing production did you setup to an ISO 2000 standard or similar? Where did you study your Lean Manufacturing basics and AGILE PM? Let me tell you it all sounds easy from the arm chair. Try and actually do it and the song and dance stops. You are the one who started this line of thread and you will get buried in it. Its better you cut it out.
      Last edited by fara; 09-04-2018, 08:05 AM.

      Comment


      • #93
        Abid no proof required your action and deeds speaks volumes more than words. Just so newbies know who is who in the zoo I/PRA askes for Vance's, Abid's, & JR's and others advice for factual answers affecting our community and we recognize them as real experts to advise the PRA board each in their field.

        PS:
        Abid and Vance are currently helping in different but related projects at this time that will improve our community. PRA takes their advice and opinions to the bank.
        Last edited by All_In; 09-03-2018, 07:37 PM.
        Resistance is futile…… You will be compiled!
        Cheers,
        John Rountree

        PRA- Director, Secretary
        PRA- Business Manager

        PRA31 - Vice President of S.D. Rotorcraft Club
        http://www.Pra31.org

        U.S. Agent for Aviomania Aircraft... the most stable gyroplane on the market today.
        See: Aviomania USA http://www.AviomaniaUSA.com

        OEM Dealer for MGL Avionics - glass cockpit EFIS for Experimental aircraft Ask about DISCOUNTS for PRA MEMBERS

        Comment


        • #94
          Thank you for the kind words John.

          As with most trolls the problem is if the misinformation is not corrected some imagine it has some legitimacy.

          It is probably a good exercise for me as a flight instructor to make my explanations more Kolibri proof.

          Fortunately all of my clients want to learn and they challenge my explanations with actual questions they want answered.

          Lots of multisyllabic words donít substitute for understanding.

          I am proud to know J.R. and Abid and have learned a lot from both.

          In my opinion there are many valuable posts on the Rotary Wing Forum and I often learn here.

          Thank you for all you do John Rountree. It appears to me you make a difference and I will help any way I can.
          Regards, Vance Breese Gyroplane CFI http://www.breeseaircraft.com/

          Comment


          • #95
            Originally posted by Vance View Post
            Thank you for the kind words John.

            As with most trolls the problem is if the misinformation is not corrected some imagine it has some legitimacy.

            It is probably a good exercise for me as a flight instructor to make my explanations more Kolibri proof.

            Fortunately all of my clients want to learn and they challenge my explanations with actual questions they want answered.

            Lots of multisyllabic words donít substitute for understanding.

            I am proud to know J.R. and Abid and have learned a lot from both.

            In my opinion there are many valuable posts on the Rotary Wing Forum and I often learn here.

            Thank you for all you do John Rountree. It appears to me you make a difference and I will help any way I can.
            I did not read the entire thread but did read enough of the confusion without his understanding the anwser that I felt some may start believing it.
            That's the only reason I responded or I would have stayed out of it.

            You know I like the up side so I did learn more detail from the experts responses than I knew before and that's positive.
            Resistance is futile…… You will be compiled!
            Cheers,
            John Rountree

            PRA- Director, Secretary
            PRA- Business Manager

            PRA31 - Vice President of S.D. Rotorcraft Club
            http://www.Pra31.org

            U.S. Agent for Aviomania Aircraft... the most stable gyroplane on the market today.
            See: Aviomania USA http://www.AviomaniaUSA.com

            OEM Dealer for MGL Avionics - glass cockpit EFIS for Experimental aircraft Ask about DISCOUNTS for PRA MEMBERS

            Comment


            • #96
              kolibri, in post #81 above you quote your own question in the shaded box. But in post #33 above that question is answered along with details and an external link.
              Tomgyro, I did not see such an answer in his post #33. Also, I'm not on Facebook and thus could not open that page.


              _____________
              We use AN hardware and some industrial fasteners that are all not metric.
              fara, you have vigorously defended metric hardware as satisfactory for gyros, but I apologize for presuming that you used them in the AR-1.
              I will have another look at our exchange about hardware.

              I've never implied that I'm an engineer or a designer of gyros, because I am not.
              However, I am a rated pilot for and owner of gyro and FW, and potential new gyro customer.
              So, my questions would be natural to the "face" and major shareholder and putative designer of Silverlight.

              However,you have implied that you are a Mechanical Engineer, but without explicitly stating so.

              My questions #1 and #2 were so simple that they could have been answered with either a "Yes" or a "No".
              You declined to do so, in exchange for a "history of watchmaking" answer to a "Have you got the time?"
              (I've done a fair bit of trial cross-examination in my day, so forgive me if it seems that you're being evasive.)

              It seems to me that you use stainless as your AR-1 mast because the AG1 did.
              That's your prerogative, but can you please dispense with the intimation that some in-depth engineering comparison with 4130 was involved?

              You've stated that either mast material will have the same service life.
              And, as you also wrote, it's up to the forum reading gyro customers to decide for themselves between opposing viewpoints.
              I agree.

              Your AR-1 seems to have some worthy refinements to the AG1.

              Regards,
              Kolibri
              PP - ASEL complex (C172RG, Piper 180, C206, RV-7A), SP - Gyro (Calidus, RAF, SC2), soloed in gliders

              "
              When an honest but mistaken man learns of his error, he either ceases to be mistaken -- or he ceases to be honest."

              Comment


              • #97

                (I've done a fair bit of trial cross-examination in my day, so forgive me if it seems that you're being evasive.)

                Regards,
                Kolibri


                I bet someone that your are/were an attorney. I win!



                However, I am a rated pilot for and owner of gyro and FW, and potential new gyro customer.


                What happened? You previously claimed that you have a new side by side Sport Copter on order. Please share with us all what happened to the order. Since you spent weeks telling us how great the SC is, we are all very interested to know why you are only a "potential gyro customer". I'm sure you were clever about "implying" you ordered one and will now reply with quotes of your own posts to tell me I'm wrong. Nothing is black and white with you. After insulting Abid, you now try to wiggle out of it by paying him a compliment on his "worthy refinements" to the AG-1. We all see right thru you.


                Comment


                • #98
                  I thought that the new beefy and robust sportcoptor was going to be flying by the end of last month,
                  where is the flight reports and photos of it in the air ??????
                  Best Regards,
                  Eddie Sigman,Polvadera,nm
                  (575) 835-4921

                  Comment


                  • #99
                    Originally posted by Kolibri View Post
                    Tomgyro, I did not see such an answer in his post #33. Also, I'm not on Facebook and thus could not open that page.


                    _____________

                    fara, you have vigorously defended metric hardware as satisfactory for gyros, but I apologize for presuming that you used them in the AR-1.
                    I will have another look at our exchange about hardware.

                    I've never implied that I'm an engineer or a designer of gyros, because I am not.
                    However, I am a rated pilot for and owner of gyro and FW, and potential new gyro customer.
                    So, my questions would be natural to the "face" and major shareholder and putative designer of Silverlight.

                    However,you have implied that you are a Mechanical Engineer, but without explicitly stating so.

                    My questions #1 and #2 were so simple that they could have been answered with either a "Yes" or a "No".
                    You declined to do so, in exchange for a "history of watchmaking" answer to a "Have you got the time?"
                    (I've done a fair bit of trial cross-examination in my day, so forgive me if it seems that you're being evasive.)

                    It seems to me that you use stainless as your AR-1 mast because the AG1 did.
                    That's your prerogative, but can you please dispense with the intimation that some in-depth engineering comparison with 4130 was involved?

                    You've stated that either mast material will have the same service life.
                    And, as you also wrote, it's up to the forum reading gyro customers to decide for themselves between opposing viewpoints.
                    I agree.

                    Your AR-1 seems to have some worthy refinements to the AG1.

                    Regards,
                    Kolibri
                    Kolibri:
                    I am just shaking my head and laughing. No wonder you have done cross examination in your day. Explains a lot. I gave you only a partial "history of watchmaking" because there are many watches (including 3 trikes) I have made that I did not even touch on. It was to blow your mud slinging right out of the water before you could reach even lower to throw even more mud.
                    Troll comes to mind. I got better things to do. Thanks for the light entertainment though last couple of days
                    Bye.
                    Last edited by fara; 09-05-2018, 08:29 PM.

                    Comment


                    • Originally posted by HighAltitude View Post
                      (I've done a fair bit of trial cross-examination in my day, so forgive me if it seems that you're being evasive.)

                      Regards,
                      Kolibri


                      I bet someone that your are/were an attorney. I win!
                      I would guess law enforcement want to be lawyer Tim.

                      A good lawyer can stay on track much better; J.R. is a good example.

                      Some law enforcement officers are just bullies.

                      Many law enforcement officers become secretive and paranoid and they hide their true identities.

                      It doesn't matter because he is consistently argumentative without purpose about things he knows little about.

                      I feel how he got that way is not important.
                      Regards, Vance Breese Gyroplane CFI http://www.breeseaircraft.com/

                      Comment


                      • fara, I'm also shaking my head, although about your continued evasion.
                        Are you a Mechanical Engineer?
                        You seem to want readers here to believe so, so why not clarify it?

                        "
                        mud slinging"? I've not said anything disparaging about you or your gyro (except for those early mast welds).
                        There's a big difference between designing a completely new gyro vs. refining an existing one.
                        I think it fair that folks understand that.


                        Till their own dreams at length deceive 'em,
                        And oft repeating, they believe 'em.

                        ~ Matthew Prior
                        Last edited by Kolibri; 09-06-2018, 02:45 PM.
                        PP - ASEL complex (C172RG, Piper 180, C206, RV-7A), SP - Gyro (Calidus, RAF, SC2), soloed in gliders

                        "
                        When an honest but mistaken man learns of his error, he either ceases to be mistaken -- or he ceases to be honest."

                        Comment


                        • Originally posted by Kolibri View Post
                          fara, I'm also shaking my head, although about your continued evasion.
                          Are you a Mechanical Engineer?
                          You seem to want readers here to believe so, so why not clarify it?

                          "
                          mud slinging"? I've not said anything disparaging about you or your gyro (except for those early mast welds).
                          There's a big difference between designing a completely new gyro vs. refining an existing one.
                          I think it fair that folks understand that.

                          I have Mechanical, Micro-electronics and Computer Science and engineering degrees. This has been written on this forum before. Why do I have to repeat that for you. Is your SC you have "ordered" designed by a ME or aero engineer? And again to c;early answer you since you can't understand my answers. You can design an Aluminum mast, a 4130 mast and a Stainless Steel mast to be able to handle the same loads and same number of cycles. The difference will be construction technique and weights among them. Ask any engineer to explain how that works.
                          And don't worry AR-1 is our entry gyroplane to the market and not the last model. You just worry about SC and what they can do.
                          Last edited by fara; 09-06-2018, 06:05 PM.

                          Comment


                          • Hey Kolibri, I'm an Ag Engineer. Same as mechanical except for the last year of classes in major. For the first two years of the "basics" I sat beside, ME, AERO, Industrial, and all other engineering majors. In my last two years we could choose irrigation, civil, or machinery as a discipline. I chose machinery and worked for some well known companies including Caterpillar for 25 years. I guess because I designed things in heavy steel, I'm unqualified to do the same calcs for beams to hold a 40,000 lb engine and drive in a Navy destroyer within thousandths on open seas to do calcs on a gyro mast? After all, a gyro mast is so delicate how could I possibly use my heavy machinery knowledge? Some of my electives included failure analysis and micro bonding (soldering). Vance flys over my highly rated engineering school every day.

                            Let me help you if I can. You can think of different disciplines of the medical profession as an analogy to the different disciplines in Engineering. Doctors venture off into specialties but they are all doctors so the "basics" apply across the medical profession. Tell me, if you are having a medical emergency, do you first ask the doctor or nurse if they are qualified in what ales you? No, you welcome anyone from that field to save your butt.

                            Your other thread about bent masts and blades broken was utterly ignorant of any facts, engineering or otherwise. It got so bad that Jim Vanek had to weigh in and distance himself from you. I think you should be quiet, learn from the experts here, and enjoy your RAF. The value of these guys and gals is more valuable than I could ever repay and I am grateful that their wisdom will keep me safe. I am laughing along with Fara.

                            Comment


                            • Oh and to give Kolibri even more detail since he is really curious and wants to know who worked on AR-1 design for some weird reason ... the mast assembly for AR-1 was specifically assigned and worked on for analysis by a young engineer named Bryan Bean from USF Mechanical Engineering department under my supervision and he did the FEA on it. He is a sharp guy and engineer and now works as a vehicle dynamics engineer at Fiat Chrysler. He also worked on front fork sub-assembly and rotorhead main weldment as well. He was on the SAE racing team from USF and had a lot of interest in sports cars and their handling and aerodynamics
                              https://www.linkedin.com/in/bryanrbean

                              Others engineers who worked on the design and development of AR-1 (10 months) are designing destroyer parts to designing cruise missile sub-systems now. They were talented but green then and learned a lot working on AR-1 project under my lead and they are all thankful for the experience. I wish them best in their bright careers.
                              Last edited by fara; 09-07-2018, 07:33 AM.

                              Comment


                              • I have Mechanical, Micro-electronics and Computer Science and engineering degrees.
                                Great, fara, that's all I was asking, thanks. I've not scoured all of your posts to have known.

                                And again to c;early answer you since you can't understand my answers. You can design an Aluminum mast, a 4130 mast and a Stainless Steel mast to be able to handle the same loads and same number of cycles. The difference will be construction technique and weights among them. Ask any engineer to explain how that works.
                                I've no need to ask, as I already understood that.
                                The impression I got from you was that you couldn't afford 2" square tube 4130 in the dimensions called for, and thus went up a wall size (or two) in 304 SS.
                                I kept harping on the issue since you've never admitted that stainless work hardens more readily that chrome-moly, (Instead, you called such a
                                "myth".)
                                So, keep doing what you're doing.


                                ___________

                                Your other thread about bent masts and blades broken was utterly ignorant of any facts, engineering or otherwise.
                                HighAltitude, you're welcome to dismiss the disparity in hub bar and blade strengths among the gyros, as well as implicitly trust
                                a European mfg. which got slapped an emergency Mandatory Permit Directive for cracking blades that were deemed nonairworthy after only 700 hours.
                                Their Rotor System 2 is shown in my post-crash photos to have torn off from the same tension strap end hole from which Rotor System 1 developed cracks.
                                Perhaps that betokens something, or nothing. You're the potential AG customer: you figure it out for yourself.
                                I've no further time for the stubbornly blasť.



                                It got so bad that Jim Vanek had to weigh in and distance himself from you
                                Actually, Jim only confirmed that I was not posting on his or SC's behalf. I'm pleased that he did so.
                                Regarding the thread topic itself, he simply declined to comment.
                                I've not seen him get involved in any threads about other gyros.
                                An understandable policy for a man so busy making his own.

                                Regards,
                                Kolibri




                                PP - ASEL complex (C172RG, Piper 180, C206, RV-7A), SP - Gyro (Calidus, RAF, SC2), soloed in gliders

                                "
                                When an honest but mistaken man learns of his error, he either ceases to be mistaken -- or he ceases to be honest."

                                Comment

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