Nelson Quarter .40

Article Abstract:

The latest version of the Nelson Q-40 from Nelson Competitions Engines of Zelienople, PA lives up to the company's reputation of producing high-performance racing engines. Each Nelson Q-4- is constructed of the best materials and leads the other 2-stroke-cycle engines in design.

Model airplane racing

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MDS .61 FS Aero

Article Abstract:

The Russian MDS .61 FS Aero is a model airplane engine distributed by Estes Industries of the US. The engine lists for $109.95 and features high-silicon aluminum alloy pistons, investment-cast front housing and rear covers, and a low effective compression ratio of 8.1:1.

Evaluation, Product/Service Evaluation, Estes Industries, MDS .61 FS Aero (Model engine and motor)

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Nelson AAC Q40

Article Abstract:

Nelson Competition Engines' AAC Q40 racing engine for model airplanes boasts of a high compression ratio and cylinder displacement that enables the engine to deliver 2.90 b.hp at 21,100 rpm. However, the Q40 has very high noise levels.

Game, Toy, and Children's Vehicle Manufacturing, Games, toys, and children's vehicles, Hobby & Model Kits, Equipment and supplies, Hobby supplies

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