RCU Forums - View Single Post - Engine for pylon training

04-02-2017, 03:56 PM

#5

1QwkSport2.5r

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Quote:

Originally Posted by sahartman21

The Evaluation 0.46 with the one piece muffler is approved for 424 racing. This uses a 9 x 6 APC propeller.

Some people add an extra head gasket for easier needling.

http://www.horizonhobby.com/evolutio...ffler-evoe0461

Note the OPs location. Indonesia may have different rules as far as what engines are allowed.

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