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Steve : The ring gear has 74 teeth and the sun gear, on the input shaft, has 34 teeth. 74/34 = 2.176 ratio

The ratio of 2.176 stays the same with a 6 planetary although the planet set is much stronger and has a steel housing that holds the planets.
The 4-pin planetary which the redrives was manufactured earlier days has an aluminium body.
This is the set/up where the planetary is held stationary and the ring gear is the output

There is now a new version 6 planetary that fits in the 12 lug slots which has a steel casing

Le Roux.

File_000.jpeg

Sent from my iPhone
Le Roux Breytenbach

> On 18 Mar 2021, at 15:57, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
>
> Hi Le Roux

On Thu, Mar 18, 2021 at 3:57 PM Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:

Hi Le Roux
What ration is the 6 pin you hoping to drop in?

Steve Izett

> On 18 Mar 2021, at 6:22 pm, Le Roux Breytenbach breytenbachleroux@gmail.com <flyrotary@lancaironline.net> wrote:
>
> Neil: I got it wrong the propellor flange and ringgear flange is not the same.
> Can’t figure it out ? how the ringgear side flange is stuck to the hollow shaft.Seems to me it has thread that screw in. Somehow it must be locked. I did not removed the pilot bearing as there is no need to do so as it is still brandnew never been used.
> The propellor flange has 3 pins that holds it in place after the pressfit.
> The hollow shafts needle bearings ,run over the oil holes in the shaft, and there is some holes between them too.
>
>
> This psru is counter rotating and a 2,17 : 1 ratio.Therefor needs an anti - clockwise prop pilotside view. I am planning to put in just a 6 pinion planet steel casing planetary
> No other modifications to be done.There is a 6 pin planetary with 12 lug available to drop into the housing.
> I believe with the 2 - 44 mm p ports @ 6500 rpm will have sufficient Hp for take off and climb turning the prop at 2900 rpm.
> The at “top of climb “ level out and cruise at 2300 prop rpm.
> <image0.jpeg><image1.jpeg><image2.jpeg>
>
>
>
> Sent from my iPhone
> Le Roux Breytenbach--
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