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Username Post: my engine coughs
ELOSSAM 
Senior Member
Posts: 146

Loc: MADRID, SPAIN
Reg: 11-19-01
07-25-02 12:34 PM - Post#9300    
    In response to Billme

max diameter 0.75 inch (19 mm) min 0.5 inch (13.5 mm); distance between these points 0.25 inch
If you remember the photo I sent you I´m using an air intake trumpet about 0.9 inch long with the big diameter of 0.8 inch and the little one about 0.6 inch. May be there is the problem. now I can see there is no difference between using the trumpet or not as the diameter differences are equal (0.25-0.30 inch)
I will remove the trumpet for todays flight.
Elossam
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