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Midland Helicopters . HeliProz . ZoomsHobbies

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Engines Plugs Mufflers Fuel > Webra 91 and Nitro % fuel
 
 
RCMarket
Key Veteran
Location: Belgium , Europe

As Webra manual points on using low nitro, with special 50mm pipes/mufflers, and pointing on Zimmermann muffler #, i would like to clear some points, since i recieved more then hundreds of mails.
1- Webra 91 , like Rossi, doesnt need Nitro, or lets say, high nitro fuel.
5% is more then enough.
2- flyers, that will run only 0% fuel, preferably use 50mm pipe/muffler, which needed to cool the engine due the larger chamber volume.
3- if you going to run 5% or higher,DONT use 50mm mufflers/pipe, since it will not runn on full performance, please use 40mm (most common) systems of Zimmermann.
Webra performed some tests and found the best combination of performance with Zimmermann muffler/pipe.
Note, that best is to use any system, not tuned !

Enjoy

Alex (Formerly Known as Futurac )
08-27-2002 Over year old.
 
 
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HeliHobby . Ron’s HeliProz South . Century Helicopter

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Engines Plugs Mufflers Fuel > Webra 91 and Nitro % fuel
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