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Engine basics => Engine set up tips => Topic started by: Motorman on September 14, 2014, 10:34:50 PM

Title: Engine Temp
Post by: Motorman on September 14, 2014, 10:34:50 PM
Anyone know how hot an LA25 on a profile gets or how hot a (stunt) model engine in general gets?


MM
Title: Re: Engine Temp
Post by: Chris Wilson on September 15, 2014, 03:06:04 AM
Which part of the engine?

Methinks that a plain bearing big end would one of the most critical parts so how would one measure that?

Oil breakdown is the key I suppose as any meaningful measurement comes from lubricant temperature.
Title: Re: Engine Temp
Post by: John Craig on September 15, 2014, 08:09:48 AM
If you are really into the gadgets, R/C car guys use these.

http://www.ebay.com/sch/i.html?_odkw=os+40&_from=R40&_osacat=2562&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H1.Xtemperature&_nkw=temperature+gauge&_sacat=2562

I bought one with the intent on using it.  Never can remember to dig it out when flying.  Yes, it is a neat gadget & fun to play with.  Seems surprisingly accurate.  Perhaps I can remember next weekend & give you a reading from an OS 25 FP.
Title: Re: Engine Temp
Post by: rich gorrill on September 15, 2014, 12:51:34 PM

Hi M.M. Dan Banjock uses one of those infared devices when he runs his in-line dual Fox 35 set up. It is very accurate, he aims it at the head and tweaks needle valves til both heads are the same temp. I watched him do it but for the life of me I can't remember the temp. Sorry if I got a little off the original question, it was more a plug for the infared sensor.  I think it might have been in the mid 300's? That's just a guess.  I'm sure one of the motorheads will have a better answer.

Rich