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Model Forum / Radio Controlled / Land Models / December 2003Engine breakind-in help
Sorry for the re-post, never got a response to my last question. It's cold outside, 15-20 degrees Fahrenheit. Need to break in a new OS built ABC buggy engine. Any problems doing it in the cold? > Sorry for the re-post, never got a response to my last question. > It's cold outside, 15-20 degrees Fahrenheit. [quoted text clipped - 3 lines] > > Might make starting slightly harder but you would need to run the engine slightly rich anyway...and running a few tankfuls of fuel through the engine when running rich is normally recommended for new engines anyway....Make sure you use the right plug for your given fuel and you should be ok. Regards........Mark I wrap a little aluminum foil around the head so it doesnt stay too cold. Not too much though! > > Sorry for the re-post, never got a response to my last question. > > It's cold outside, 15-20 degrees Fahrenheit. [quoted text clipped - 13 lines] > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.553 / Virus Database: 345 - Release Date: 18/12/2003 >Subject: Re: Engine breakind-in help >From: "MikeF" vanning@comcast.net >I wrap a little aluminum foil around the head so it doesnt stay too cold. Not >too much >though! Not a bad idea, this would help the engine get up to running temps sooner. Remember... when you're breaking in an engine, you need the piston and sleeve to loosen up a little, while keeping a good fit through the heat range. When an engine is being broken in, it is important to HEAT-CYCLE the piston and sleeve. To do this, the engine has to get UP to running temperature. Out in the cold, this can be tough. Just run the engine till it gets good and hot. If you have a temp guage, much better. The trick is, to get the engine up to temp, rotate till the piston is at bottom dead center, cool down, repeat. So the engine cools down a little slower, I would run the engine, bring it indoors to cool, then go outside, and re-start. Repeat this process several times (at least 6-7 tanks.) Thanks all. This is pretty much what I had been thinking. Looks like we all agree. > >Subject: Re: Engine breakind-in help > >From: "MikeF" vanning@comcast.net [quoted text clipped - 16 lines] > indoors to cool, then go outside, and re-start. > Repeat this process several times (at least 6-7 tanks.) |
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