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Difference in glow plugs

Old 01-12-2004, 04:18 PM
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mustangman177
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Default Difference in glow plugs

I received some O.S. #3 glow plugs by mistake, I usually use the #8. What is the difference in the plug. I use them in .91 and smaller engines.

Thanks Cary
Old 01-12-2004, 04:49 PM
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FLYBOY
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Default RE: Difference in glow plugs

Go to www.towerhobbies.com and look at the OS plug charts. It will tell you what each one is for, the power for each, weather its a hot, cold, long, short, idle bar or whatever. That way you know what they all are.
Old 01-12-2004, 04:52 PM
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Default RE: Difference in glow plugs

OSMG2690 #A3 "The new standard" for use in all 2-strokes, any nitro
OSMG2691 #8 "The standard" for use in all 2-strokes, any nitro
OSMG2692 #F For O.S. and other 4-stroke engines
OSMG2688 #RE For the O.S. Wankel Rotary engines


Heres the list of some
Old 01-12-2004, 04:53 PM
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Default RE: Difference in glow plugs

http://www.osengines.com/accys/glowplugs.html

Guess I could have put the link on to make it easier.
Old 01-13-2004, 02:24 PM
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mustangman177
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Default RE: Difference in glow plugs

From the chart, it looks like the A3 and the #8 glow plug are interchangable with each other.
thanks.

Cary
Old 01-13-2004, 10:43 PM
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Gene Chernosky
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Default RE: Difference in glow plugs

The A3 is 'hotter' than the 8...and they are kinda interchangeable but not the same.

Typically, the A3 is good for 0-15% nitro and the 8 is good for 5-25% nitro.
Old 01-14-2004, 04:25 PM
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mustangman177
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Default RE: Difference in glow plugs

Would the #3 glowplug being a hotter plug be better for cold weather flying ? I do burn 15% nitro from Byrons.

thanks Cary
Old 01-14-2004, 07:17 PM
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Default RE: Difference in glow plugs

In cold weather, the hotter the plug the better.

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