Artto Ilmanen Posted January 8 Author Share Posted January 8 On 06/01/2024 at 20:53, Ron Gray said: It was my Giant Super Sportster powered by a 200 in-line. The problem wasn’t cooling air it was air turbulence around the carbs which meant that it wasn’t running as cleanly as it could. I could have redesigned the baffles to prevent it happening but decided the extend the air intakes with silicone tubing into the fuselage, this fixed the problem and also made the engine even quieter! Oh I see. Now that you mention it I can remember it. Anyways, I'm proceeding with the help of your & Jon's kind advice. I just bought some 9kg lead in a scrapyard so now I should be good for about 10-30 models what comes to lead needed to balance the models. 🤣 Quote Link to comment Share on other sites More sharing options...
Anton M Posted January 8 Share Posted January 8 If you know or measure the plane's wingspan and then measure it on the drawing you've posted, you may find how much percent smaller the drawing is compared to the actual model and then calculate how much 140mm corresponds on the drawing. Hope it made sense. Quote Link to comment Share on other sites More sharing options...
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