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Old 10-08-2023 | 02:01 AM
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BLACCAT
 
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Default Saito FA325RD gas conversion

Thank you 1967brutus!
The original Top Flite instruction book's "Engine Selection" recommends "34.5cc to 45cc Glow Engine" OR "41cc to 70cc Gasoline Engine" on a "soft" mount system (which I plan to use).
I am not looking to roar around the skies attempting to emmulate any war ACE. I much prefer scale flying over crazy aerobatics. At 53cc I am right in the middle of the gas power range and therefore I will be a happy flyer. Besides that, less speed will give me more time to listen to the Keleo exhaust.....Adrian at CH Ignitions made a 45 second video of my engine running on the stand. I will have to be patient and avoid rushing the build.
When I figure out how to post pics I will send along some of the build.
Best regards
BLACCAT

Originally Posted by 1967brutus
Be advised that the Topflite recommendation "40 to 70 cc" most likely refers to 2-stroke engines.
Your Saito is 53 cc, but it is a fourstroke, AND it is a radial. Meaning that for its cylinder displacement, it is not going to be as strong as a 2-stroke, by quite a large margin.

I have a similar (WRT dimensions, weight and engine outfit) plane, a Seagull FW190A powered by an ASP radial converted to gasoline, and that ASP is 65 cc but it still is no powerhouse,
Your plane is about the same wingspan, by its factory specs a bit lighter than mine, but by and large pretty comparable. The Saito is, for its size, a pretty strong engine, probably fairly comparable to my ASP despite the difference in displacement, but that still means you're looking at 3 hp tops and a 20 x 8 prop at best.

It WILL fly, don't worry about that. But it will not be a power monster.