Engine basics > Four strokes only

How to Run Saito 62 and 72 in reverse (clockwise)

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Martin Quartim:


I have mentioned before about reversing the Saito 62 and 72 by changing the cam gear, and I just got the confirmation from Horizon that using the front cam gear from the Satio 200Tii part number SAI182TD34 we can indeed reverse the Saito 62 and Saito 72. Below is a diagram to achieve the setup.

This is the part from Horizon Hobby http://www.horizonhobby.com/Products/Default.aspx?ProdID=SAI182TD34

There are plenty of good pusher props for these two engines. My favorite 4S props are from JXF(or Xoar) and they have 13x6 and 14x6 pusher props.
http://www.himodel.com/plane/JXF_14x6_inch_Beechwood_Propeller_Counter_Rotating.html
http://www.himodel.com/plane/JXF_13x6_inch_Beechwood_Propeller_Counter_Rotating.html

APC has 13x6 and 14x6 pusher props. Zinger has many pusher props to choose from http://www.zingerpropeller.com/Pusher.htm

Martin

Martin Quartim:

I just found this other left cam gear that should work for the Saito 56

http://www.horizonhobby.com/Products/Default.aspx?ProdID=SAI130T34

Martin

Mike Callas:
Will that work on a Saito 40?

Martin Quartim:
I could not find a left cam gear for the Saito 40, but perhaps there is one.

Martin

Allan Perret:
Hey Martin:
 
Great info, thanks for sharing this. 
I might give this a try if I ever decide to do something with my Saito 62. 
My engine is NIB, still needs to be broken in. 
Would you do the mod first from the git go; or break it in with normal rotation and then do the mod.   

Have you actually done this to one of yours ?

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