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Old 01-15-2006 | 10:09 PM
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tintrax
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From: Christchurch, NEW ZEALAND
Default RE: Finished Autogyro

Hi Tye - It will be a new experience! Once airborne don`t let it get too far away as orientation is much more difficult with no wings to look at. Before flying you will be able to check to find if the blades are spinning nicely - just hold the plane (with no motor running) nose high in a reasonable breeze (tending more on the brisk side than gentle) and the rotors should spin after giving them a nudge to get them started. Possibly full throttle will not be needed when the time comes to fly, if you are handlaunching. Or are you intending to take off from the ground?
Autogyro fliers may argue about this. I prefer handlaunching, at least for a start, but others may say this is wrong. I am interested to see if anyone else has something to say on this subject.
Negative incidence - When no delta angle is used I expect you will require this. I suggest you have this negative incidence for the spin tests (hand held as mentioned above) - if the rotor gets spinning well you should feel upwards pull. (ie, - lift) You could then try the same with no packing under the TE and compare upwards `pull`.
Colin Duthie