Wheels, wheels, wheels!

Article Abstract:

The problem of finding the right wheels for model airplanes can be solved by making custom wheels from commercially available wheels for model airplanes. Commercially available wheels are usually made from a dense foam material that makes them easy to grind.

Toy Parts, Methods, Column, Toys, Toy making

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The new Robart 4-stroke radial: scale Jacobs debuts at Toledo

Article Abstract:

Designer Bob Walker used computer-aided-design to develop this dynamic 7.5 lb engine. The US-made unit is excellent and comes in two types. The glow ignition version costs $3,500, and the spark ignition is $4,000. It is available from Robart Manufacturing.

Innovations, Product introduction, Biography, Walker, Bob, Robart Manufacturing Inc.

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Servo-operated Fowler flaps

Article Abstract:

A scale model of the P-38 Lightning was retrofitted with servo-operated flaps and, with minor modifications to several aircraft parts, performed very well. A scaled-down model of the P-38 showed that the ideal full flap configuration is about 25 degrees.

Hobby & Model Kits, Usage, Servomechanisms, Hobby supplies

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