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400 B mid range

Old 09-11-2004, 06:45 AM
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kevin mcgrath
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Default 400 B mid range

I have one of these engines in a 1/3 Spacewalker.It starts and runs very well except for the mid range and transition which is very rough.
This seems to be a rather high compression design compared to most of my engines and I am wondering if rough mid range is normal or is it a case of keeping on tuning in the usual ways.?What do you reccomend for oil and ratio once the engine is broken in?
Is Klotz R/C @ 50to1 OK?

Thanks.........[8D]
Old 09-21-2004, 10:30 AM
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kevin mcgrath
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Default RE: 400 B mid range

Geez...........maybe it was something I said? Havent heard a word from these folks......
Old 10-10-2004, 10:39 AM
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ehfleming
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Default RE: 400 B mid range

Kevin,

I don't think Quadra has anyone monitoring this forum.

Ernest
Old 10-09-2005, 07:58 PM
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marc morin
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Default RE: 400 B mid range

Hello Kevin most problem I have had with mid range was that the screen inside carb is partialy plugged with varnish almost invisible try changing that ,while your at it check diaphram& float needle height .

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