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Date: Mon, 19 Jul 2010 16:44:35 -0400
From: Ernest Christley <echristley@nc.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Emailing: MVC-014F
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Lehanover@aol.com wrote:
> In a message dated 7/19/2010 12:30:56 P.M. Eastern Standard Time, 
> echristley@nc.rr.com writes:
>
>     Yeah, Lynn, it's my redrive.  A one off that could be considered a
>     re-design of the Ross units.
>
>     The piece in the rear is the bellhousing, a large aluminum
>     casting.  I
>     sold that part off to another builder and built a mounting plate
>     closer
>     to what RWS sells.
>
>     The propeller bolts up to a NASCAR wheel hub (front left, right
>     behind
>     the input shaft) with the very stout axle bolted to the gearbox.  The
>     input shaft drives the planets, and a free floating shaft transfers
>     power from the carrier directly to the prop, so that if the shaft
>     breaks
>     the prop will windmill freely.  Gear ratio is 3.17.
>
> I drew up a couple like that, with a NASCAR safety hub and bearings. 
> My last racer has quick change axle stub tubes and hubs on the front 
> uprights with the stock spindles cut off of a pair of Mustang II 
> spindles. Just one spare hub and bearings fits any corner. Strong as a 
> bridge and aluminum lite.
>  
> The 3 plus ratio is better as well. What are the gears from?
>  
> Well done.
>  
> Lynn E. Hanover
Ford planetary set.  C-3, I believe.