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    WEBER ENGINE MPE 750 turbo

    Hi All One thing people do not realize about HP ratings is there is about a 15% correction factor added into the HP ratings tor temp, altitude, humidity, friction losses, ETC. so in the real world if your engine is rated at 100HP real HP is going to be 85 For example we dynoed a GM LT4 crate...
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    Helicycle rotor blades

    Yes I have the pair Of helicycle blades Thanks Doug
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    Vortex Ring State in gyros?

    An article at Skybrary states that for a vortex ring state to occur: Now it makes sense because one of the ways to get out of VRS was autorotation Doug
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    Vortex Ring State in gyros?

    Hi All correct me if I am wrong. I also thought no way untill I stopped and really thought about it. to create lift there must be a downward flow of air. without a downward flow of air there can be no lift. in autorotation there is a downward flow of air creating lift otherwise we would just...
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    Rotor blades - Airworthiness Directive - Celier - Trendak - Argo

    Hi All The first thing I see is they are extruded aluminum. Back when the fleck blades came out there was concern about them.At that time the only alloy that could be extruded for blades was 6063 not 6061 and definitely not 2024 the fleck blades did have a slide in glued in leading edge spar...
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    Need sprag clutch

    Hi All took a look in my collection I have an R22 upper pulley and shaft with the sprag clutch assy $700.00 plus shipping if someone still needs one. Less than half the price of an MO300A Doug
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    Need sprag clutch

    Hi All I think in my collection of parts I may have a R22 pulley, shaft and sprag clutch assy if someone still needs a clutch I can take a look and see if I still have it. Doug
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    Started building a helicopter DR1

    Hi All I believe that the reason we post our work is to get input from others. Your workmanship looks really good. This is just my opinion. I think that the mini 500 transmission and rotor system is going to be too small for the size, weight and power plant. A winters non quick change with a...
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    Rotorway scorpion 2 rotor head ????

    $600.00 Looks like it has ben fabricated up may require more work Doug
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    Rotorway scorpion 2 rotor head ????

    Appears to be a scorpion 2 rotorhead. It came to me along with a scorpion 2 helicopter I purchased long ago.The gentleman said it was being converted from cable style to elastomerics looks to fit a1.500 inch rotor shaft, ill add a picture once my camera starts to cooperate with me Doug
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    Helicopter Rotor head Under sling

    Hi All Composite blades are being tested on a Rotorway helicopter. I spoke with the blade designer/manufacturer a Oshkosh. He stated that the blades are overbalanced at the tips. So there is less weight at the root end of the blade. This puts the span CG further towards the tip of the blade...
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    Turbine Engines

    Hi All I agree 99% with sky guy. gear boxes and turbine housings are interchangeable with a lot of the T62 Series engines. I have used T39 turbine sections on both a 16B and T2A1 The T39 was less desirable than A 16B or T2A1 but the turbine sections are the same (not including the burner cans)...
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    Turbine Engines

    Sooo you have never worked on a T62T32 or 32A interesting. . The T32 is the more desireable engine for helicopter applications. The T32A not so much. lets just say it is because of the extra weight, not because in our helicopter community (that you have just joined) it has a reputation of high...
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    Turbine Engines

    Wow I looked at the picture it is a T62 series engine. it definitely is NOT a T62-T32 or T32A the engines that we were origionaly talking about. It is A T62 Series engine suffix I could not tell. I do know what a T62T32 and T62T32A are and look like I have worked on quite a few of them...
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    Turbine Engines

    Hi All Justin is correct. Mr jimbo is wrong. T62-T32 and T32A were ground power units only. They were never APUs. There were dozens of varations of the solar T62 Series engines That are APUs. Just not the T32s No one that I am aware of is currently using the 32A in a helicopter due to...
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    Helicycle rotor blades

    Hi They are about 5 years old. They have less than 5 HRS on them. The previous owner just quite did not under stand the start procedure and melted the turbine wheel. He could not afford to repair the engine and started parting it out. New from Helicycle the blades are $4800.00 I'll sell them...
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    Mini-500 parts need it

    Hi I have a mini 500 rotor head that I may be interested in selling Doug
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    Helicycle rotor blades

    Pair of Helicycle rotor blades could be easily adapted to an experimental helicopter NACA23012 7.250 Chord 115 inches long Doug
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    composite blades shelf life

    Most likely due to the fact that the safari blades are not a full composite blade they have an aluminum leading edge extrusion imbedded in the composites. Doug
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