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Vance
Vance
Junior Member
Joined: 10-30-2003
Location: Nipomo,California
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  • Vance
    replied to Trailer Loading Geometry
    Tilt from the hitch means that the hitch stays the same height and somehow the axels get out of the way.

    We backed the box truck up to a high curb and used two six foot motorcycle ramps. We balanced the aircraft on the mains and rolled her down the ramps. The nose and tail wheel were...
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  • Vance
    replied to Trailer Loading Geometry
    Your sketch looks like what I imagined Bobby was recommending.

    When we unloaded an RAF from a box truck I was impressed with how easy it was to tilt.

    I have a single axle trailer for The Predator and use a crane to lift The Predator on to the trailer. I would not recommend...
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  • Vance
    replied to Trailer Loading Geometry
    There is a lot of information missing before someone could calculate how long the ramps need to be such as how far does you trailer tilt, where does it tilt from and how high it the deck.

    The basic concept Bobby advocates simply allows the aircraft to rise up the ramps on the mains before...
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  • Vance
    replied to When is a rotor too large for the ship?
    "If the engine is not running with a seven knot tail wind my rudder is not very effective from about fifteen knots of ground speed down in The Predator."



    I used the term ground speed as a ground reference term as part of an emergency landing. Perhaps it did not...
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  • Vance
    replied to When is a rotor too large for the ship?
    An excellent point J.R.

    One of the features of my Garmin 196 is the glide ratio.

    I have seen numbers over five to one in The Predator and she glides better with the prop stopped.

    I use three to one to estimate my landing zone so from a thousand feet above the ground...
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  • Vance
    Vance posted a Visitor Message for WaspAir
    Oops, I did not intend for it to be a message.
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  • Vance
    replied to I think I hooked one.
    Thank you for sharing the fun Joe....
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  • Vance
    replied to More fun flying The Predator.
    Thank you Jeffro, always glad to have you along.
    Interesting video!
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  • Looks to me like Kolibri needs a time out.

    In my opinion threatening people on the Rotary Wing Forum is the last refuge for the intellectually bankrupt and not allowed here.

    This is not kindergarten....
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  • Vance
    replied to Calidus Instructor Pack
    In a power push over the rudder often comes up and hits the rotor; there is a loud bang and parts are seen to fall off the aircraft. Sometimes the rotor loses rpm and folds up and sometimes the forward tumble continues. Sometimes there is a roll.

    12/29/2007 ALTHOUSE RAF 2000 GTX N136DG,...
    Gouged rod ends showing signs of misalignment and incorrect installation.
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    Last edited by Vance; 09-23-2018, 04:59 AM.

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  • Vance
    replied to Calidus Instructor Pack
    You make things up faster than I can respond.

    I have been clear there was surface corrosion and the NTSB is clear there was surface corrosion.

    What part of that don't you understand?

    There are mechanics I respect who would not have replaced the rod ends for corrosion...
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  • Vance
    replied to Calidus Instructor Pack
    My contention is that I don't know what happened.

    In my opinion to rule out a power push over for the reasons stated demonstrates a lack of understanding about power pushovers....
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  • Vance
    replied to When is a rotor too large for the ship?
    The top of a zoom climb is typically a low g maneuver and in my opinion it is best to avoid such maneuvers.

    A high power steep climb may also reduce the load on the rotor and is not a low g maneuver.

    When I am being aggressive practicing for an airshow I have used a G meter...
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  • Vance
    replied to Calidus Instructor Pack
    I have consistently written that I don't know enough about Dofinís mechanical work to have an opinion. I am not a mechanic and don't pretend to be. I take log book entries seriously and yet I have seen many A&Ps who don't.

    I have not even defended Dofin as a CFI other than to write...
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    Last edited by Vance; 09-19-2018, 03:22 PM.

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  • Vance
    replied to Calidus Instructor Pack
    I have done corrosion testing where we measured the formation of corrosion and in my opinion based on my experience hauling something out of salt water after a day allows the water to get in everywhere and dramatically accelerates corrosion.

    As I have written before I have seen many aircraft...
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  • Vance
    replied to Calidus Instructor Pack
    The reports by witness's read exactly like a power push over to me.

    In my opinion the damage to the aircraft fits a power push over.


    I have had pilots on the ground not recognize pilot induced oscillation when I am training.


    In my opinion I do not...
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  • Vance
    replied to More fun flying The Predator.
    John had recently returned from delivering Cirrus to the east coast with at least three hours in hard instrument meteorological conditions AKA couldnít see a thing. His VariEze is almost airworthy and it appeared to me he needed an aviation fix. Saturday I asked him if he wanted to fly up to San Luis...
    Aviation magic over the Santa Maria Valley. John with an exuberant woohoo! Looking toward Oceano and Pismo Beach from Arroyo Grande. SBP ahead and the Edna Valley. Our World War Two veteran sharing some of his adventures.
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  • It is my observation the original RAF exhaust is not made from pig iron.

    Most of us keep our aircraft airworthy and don't expect praise for doing so....
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  • Vance
    replied to Calidus Instructor Pack
    You continue to make my point Kolibri.

    It appears to me your posts are emotionally based rather than reality based.

    It appears to me you have poor reading comprehension.

    I hope for everyone involved; someday you will be able to let go of your resentments.
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    Last edited by Vance; 09-18-2018, 10:36 AM.

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  • Vance
    replied to Calidus Instructor Pack
    I agree Eddie.

    The more common time to break a rod end is on taxi or takeoff where the loads are the highest although it is hard to predict.

    The description of the damage reads a lot more like a power push over to me.

    It is common to break a control rod end in...
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