RCU Forums - engine setup for the winter

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Marty7n

09-30-2012 12:59 PM

engine setup for the winter

Today I went to the park with my son to run the rc car around, we are using Byron race fuel, gen2, 16%nitromethanol, 12%lubrication on a #4 glow plug, i charged up my glow starter, but it kettle cooking out after about 5mins of minimum speed, should I try a hotter plug or colder plug? It takes a couple of pulls to start if its left for a minute or two.just think its the weather change over to winter.any ideas?

nitroexpress

09-30-2012 01:25 PM

RE: engine setup for the winter

Try some 20/11 byrons

SLAYERDUDE

09-30-2012 08:49 PM

RE: engine setup for the winter

You need to tune to outside temps, colder outside = denser air and more oxygen entering the cylinder, this requires a richer air fuel mixture.
I.E. richen (turn out) the HSN.
Fuel has nothing to do with outside temps.

Before a discussion insues, here's a vid of me running my K5.9 on Byrons 20/12 in 9F temps...
Same fuel I run in 100F temps.
[youtube]http://www.youtube.com/watch?v=NW_goF4T3cA[/youtube]

nitroexpress

10-01-2012 05:54 AM

RE: engine setup for the winter

Quote:

ORIGINAL: SLAYERDUDE

Before a discussion insues, here's a vid of me running my K5.9 on Byrons 20/12 in 9F temps...
Same fuel I run in 100F temps.

Running under 200 degrees is not a good idea. Cold starts aren't either.

Anthoop

10-01-2012 08:53 AM

RE: engine setup for the winter

Quote:

ORIGINAL: Marty7n
Today I went to the park with my son to run the rc car around, we are using Byron race fuel, gen2, 16%nitromethanol, 12%lubrication on a #4 glow plug, i charged up my glow starter, but it kettle cooking out after about 5mins of minimum speed, should I try a hotter plug or colder plug? It takes a couple of pulls to start if its left for a minute or two.just think its the weather change over to winter.any ideas?

If the #4 plug worked fine before then it will work adequately well for you now. A little tweak of the HSN will probably be enough to get it running consistantly.
What engine is it?

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