|
Hey Russ... what are you flying and where?
Dave
Houston (EFD), Rotary powered Velocity under construction..
R&R Sherwood wrote:
>>The blades, being held by only two bolts each, can move (or
>>swing) chordwise in the hub......
>>Even with those bolts torqued to spec we had blade movement between the
>>plates. Fretting was evident on the blade bushings and mating plate
>>surfaces. Scared us.
>
>
>
>
> When ground testing my auto engine with an old style 3 blade IVO prop, I
> took several still photos. Some of the photos appeared to show the blades
> advancing or retreating much like that of a helicopter.....not sure if this
> was a trick of the camera or actually happening. After about 10 hours of
> ground time I found damage to the base of the blades. Now that the engine
> is flying with an MT prop I've been unable to duplicate that effect in any
> of my photos.
> Russell Sherwood
> Houston, TX
>
>
|
|
Re: IVO prop dyn. balancing
