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Old 07-24-2003 | 04:52 AM
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BUGGIES_R_US
 
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From: Norcross, GA
Default Which 20% Nitro fuel to use?
Remember that Blue thunder is only 10% oil!!

BT is specially formulated with .21s in mind. I wouldnt run them in .12s.

Remember that the surface area of the sidewalls of a .21 isnt much bigger than a .12 but the volume IS! (theyre not linear).

more volume= more fuel mixture= more oil.

So with a .12, your effective "oiling rate", if you will, with BT is actually a bit lower than with a .21.

So for a .12, BT is a little too dry!!

Ram
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