REFLECTOR: First Flight!

[Richard J. Gentil]

Gordon,

Congratz on the first flight and the completion of all that hard work!

Richard

cgputney at peoplepc.com wrote:
>
> After 13 years, our Velocity 173RG top door finally flew. A thorough 
> inspection and then lift off from our airpark by expert pilot and 
> mechanic Steve Murphree was quite exciting.
>
> Only heavy ailerons marred an otherwise fine flying machine. The roll 
> forces have been eased somewhat by reducing the radius to the cable 
> attach point at the "keel" bellcrank but still preclude any easy 
> directional control above pattern speed.
>
> Question: do all 173 wings have a concave underside at the ailerons? 
> One bit of advice was to fill this modest concavity to reduce these 
> high forces. Has anyone else done this? The roll forces on the 
> Sebastion trainer using apparently the same wing were nothing like 
> mine! The ailerons "float" about 3/8" high at 140 knots, even after 
> converting the aileron torque tubes to steel and carefully removing 
> all lost motion in the roll circuit. The only elements left to deflect 
> under load are the push-pull cable cores under compression.
>
> The IO540 performed flawlessly and needed only some idle adjustments, 
> but there is a list of squawks in other areas to work on before the 
> next flights.
>
> Thanks to all who contributed to this success, knowingly or not. The 
> Reflector remains a rich source of information.
>
> Gordon Putney
>
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