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Engine Reviews Engine and Propellor Tests
 
BRISON

2.4 cu in: This gasoline engine is well suited for the One Design (12 lbs.) and has been used extensively. Vertical is unlimited. The combination of the Brison 2.4 and One Design was used to win the NC region Unlimited IMAC competition in 1998 by Dave Genovese. This engine has been used on the Staudacher as well. The engine is mounted inverted in either case, with a Pitts style muffler. The One Design has a larger cowl which hides more of any engine which is mounted inverted. The Staudacher has a low cowl and fuselage so the engine protrudes more.

3.2 cu in: This really is too powerful for the One Design or the Staudacher though it has been used on the Staudacher. If used, the engine should never be put at full power unless pointed upwards. The plane hovers at just a few clicks above idle.

Click here to go to the Brison website.

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3W

48cc twin: This is an excellent gasoline engine for the Staudacher as it fits completely within the cowl (even the spark plug caps). It has a very scale appearance as you see the two cylinders through the air inlets in the cowl. This combination is good for any level of IMAC flying. 14.5 lbs.

3W engines are imported into the US by both Aircraft International  and Cactus Aviation.

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MOKI

1.2/1.35 cu in: For sport flying these alcohol engines are great.

1.8/2.1 cu in: These alcohol engines are great for IMAC flying. A Cline regulator (or equivalent) is recommended. The 1.8 is used extensively in the One Design (10.5 lbs.), while the 2.1 is used extensively in the Staudacher (11.6 lbs.).

Moki engines have high compression ratios so they use FAI (no nitro fuels) so the fuel costs are minimized.

Moki engines are distributed by Horizon Hobbies.

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SAITO

1.5/1.8 cu in: These alcohol engines are good for sport flying and more, but don’t provide gut wrenching unlimited capabilities in either aircraft.

3.0 twin: This powerhouse fits into the cowls of the Staudacher and One Design, and has unlimited vertical capabilities in either. It looks great as the jugs can be seen through the air inlets of the cowl. Many pilots use 30% nitro heli fuel which can get expensive with this thirsty engine.

Saito engines are distributed by Horizon Hobbies.

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MAC MINARELLI

We have tested the Mac Minarelli 85cc engine and found it to be an excellent performer. The engine starts effortlessly, is powerful, has excellent transition, and is one of the smoothest engines we have ever tested.

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