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Old 07-14-2004, 08:26 AM   #1
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Default Nitro powered weed eater motor.

Has any one set up and run a weed eater motor on Nitro for an extended period of time with reliability? At what A/F ratio does Nitro burn the best. If I am not mitaken a gasoline engine runs best at 14:1. Any help would be great.
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Old 07-14-2004, 09:53 AM   #2
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This may get more replies if I move it to the correct forum.
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Old 07-14-2004, 02:35 PM   #3
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idk what is best for weed wacker but heck, try it out and see!

as soon as we get a new one my friend and I are going to run one at WOT running on nitro, and wait for it to blow.
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Old 07-14-2004, 02:41 PM   #4
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I already have done that on my one an only weedeater. It did not like it to well. Only because the carb is tuned for straight 2 cycle gas. it ran really well at only one throttle position. I am just trying to figure out whether of not I need to richen or lean the carb.
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Old 07-14-2004, 04:17 PM   #5
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the only ideas I have is try it richer and try it leaner. IF those dont work ad some straight gas to the nitro fuel you are using.
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Old 07-14-2004, 05:58 PM   #6
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I believe methanol/alcohol it more rich in oxygen so I would say you would need to richen it up some. I know when we ran go karts with the Briggs motors(years ago) we would need to run bigger jets providing a richer mixture.
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Old 07-15-2004, 07:41 AM   #7
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My plans are to hop up one of those mini motorcycles on Nitro or one of those little scooters. That would be sweet I think.
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Old 07-16-2004, 06:32 AM   #8
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Quote:
Originally posted by GrandeGixxer
I believe methanol/alcohol it more rich in oxygen so I would say you would need to richen it up some. I know when we ran go karts with the Briggs motors(years ago) we would need to run bigger jets providing a richer mixture.

When you raced with these motor's did you ever spin out, And have the motor fire up in reverse.
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Old 07-18-2004, 08:51 PM   #9
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no we ran a clutch.
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Old 07-20-2004, 10:45 PM   #10
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i know the heli guys who use gas ignition engines will run colemans kerosean (sp) that is normally used for camping lanterns and grills
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Old 08-08-2010, 02:49 PM   #11
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Default Ran my weedeater on nitro!

Ran mine on 20% blue thunder nitro fuel! works pretty well , gives it a tonnnnn more power. just realllly need to richen the mixture, it doesnt need as much air to burn as the gas does. i can cut really tall grass and it doesnt hardly bogg down at all any more and its only like a 26cc engine. cheap troy bilt, id never put it in my stihl though haha.
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Old 08-09-2010, 07:50 AM   #12
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I saw someone put nitro fuel in a chainsaw once. It ran great for a about 30 sec. then locked up.
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