RCU Forums - View Single Post - sig 1/4 space walker 38cc chainsaw engine
Old 02-09-2008 | 06:03 AM
  #6  
burling.brad
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From: oroua downs, NEW ZEALAND
Default RE: sig 1/4 space walker 38cc chainsaw engine

sorry for the late reply, busy lifestyle at the moment

thanks for all your input fellas

i brought the sig 1/4 scale spacewalker 2 kit. would have prefured the sig 120 4star seeing this is my first kit build but well see how i go

it recomends a .90 to a 1.20 2 stroke ort a 1.2 to 1.6 4 stroke engine and has a wing area of 1110 sq. in.

like i said i have a 38cc engine i wanna stick in it. havent bench tested any props with a taco yet as the weilding quru hasnt finished my mounts. but ive read many a foroum and am thinking a prop size around 18 by 8 to a 20 by 8 would be some where good to start?

does everything sound sweet so far?

the engine weights almost the same as my brothers converted ryobie 31cc engine with out the mounts if this helps?

will the 38cc be to powerfull? is there any thing wrong with to much power?

im not looking at flying this model as a 'scale' plane but more of a 'sport' plane, at the moment anyway

also, and this may be in the wrong thread thingge but i have futaba s3003 servos, the booklet states to use servos with at least 60 oz./in of torque. will my servos cut it?

any other tips and tricks from the master out there

thanks for all your help

brad burling
converting and kit building vergin

and shocking spelling too!