Hinckley Bill
Posts: 206
Joined: 6/25/2002 From: Hinckley,
IL, USA Status: offline
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Andrew, Saw your review of the RCGUYS Pitts S1 and was impressed enough to pick one up from a fellow who was selling it. 1) From your experience would you recommend a two cylinder gas engine instead of a bigger single cylinder ( I have a single cylinder Husky Challenger 68 cc engine that will fit quite nicely - I also have a BME 115 twin that easily fits in and weighs only 4 oz more than the 48 cc twin but it's not a wise choice)? 2) Did you install your firewall to the motorbox straight (no down or right thrust) and then add thrust spacers behind the engine motor mount to get the required 3 deg right 3 deg down thrust? 3) On most ARF's I've purchased there are normally instructions on where the centerline up / down & right / left should be located on the firewall, assuming zero degrees of thrust both ways. One can then "modify" the position of the engine to accomadate the required thrust and still have the spinner end up centered on the cowl opening. On this plane there are no marks on the firewall, and no specifics in the instructions on how to accomplish this, other than telling you to determine the centerline of the engine placement by temporarily installing the cowl and marking the center location of the engine to the firewall. I'm afraid that if the cowl isn't "temporarily" setup just right or I miss the correct mark due to a slip of the pencil the engine placement won't be worth a darn. Thanks for any and all.... Bill
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