Go Back  RCU Forums > RC Airplanes > Sport Flying
Reload this Page >

engine size

Sport Flying This forum is for those that like to fly just for the enjoyment of flying, and all the airplanes that help them. Discuss here the joys of flying and the airplanes that help you enjoy it.

engine size

Old 04-15-2007, 01:15 PM
Thread Starter
Join Date: Nov 2006
Location: greenville, OH
Posts: 28
Likes: 0
Received 0 Likes on 0 Posts
Default engine size

can anyone tell me what size gas engine i should use for an 84 inch spacewalker? thinking of getting into gas...
Old 04-15-2007, 06:20 PM
Senior Member
carrellh's Avatar
Join Date: Mar 2003
Location: Garland, TX
Posts: 6,544
Likes: 0
Received 0 Likes on 0 Posts
Default RE: engine size

One of our club members has one with a pretty old 31 cc gas engine. He's happy with the performance.

The SIG 1/4 Spacewalker is estimated at 13 pounds. Something like a G26 should pull it pretty well.
Old 04-16-2007, 09:39 AM
My Feedback: (7)
Join Date: Feb 2002
Location: Durham, NC
Posts: 779
Likes: 0
Received 0 Likes on 0 Posts
Default RE: engine size

Is it the Sig Spacewalker II that you are talking about? If so, I have that kit that I am soon to start building. I plan to use a G26. I was going to use a Ryobi 31 that I converted but ran into a problem with the flywheel. The flywheel is too big and will rub the top inside of the cowl. If it were converted to EI it would work but the G26 turns out to be an easier fix.

Old 04-16-2007, 11:46 AM
My Feedback: (63)
BankYank's Avatar
Join Date: Nov 2003
Location: Kootenai, ID
Posts: 1,107
Received 17 Likes on 12 Posts
Default RE: engine size

Try an OS1.60 twin.
Attached Thumbnails Click image for larger version

Name:	Pn38099.jpg
Views:	18
Size:	64.9 KB
ID:	665867   Click image for larger version

Name:	Ql35111.jpg
Views:	16
Size:	59.0 KB
ID:	665868   Click image for larger version

Name:	Ch97458.jpg
Views:	23
Size:	73.1 KB
ID:	665869   Click image for larger version

Name:	Vp39600.jpg
Views:	22
Size:	40.3 KB
ID:	665870  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Thread Tools
Search this Thread

Contact Us - Manage Preferences - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.