Monday, December 18, 2017
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Wing-Tips

Instant Prop Shaft Adapter

Many of us have reamed out prop hubs and then wanted to place the prop onto a shaft that is too skinny to center the prop. A quick fix for both glow and electric airplanes is to tightly …

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Simple Mechanical Servo Mount

Mold release residue on the inside of molded glass or composite fuselages can prevent balsa servo mounting rails from staying glued to the fuselage interior. This technique solves the problem, saves a tiny amount of weight and removes …

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End Engine Leaks

Any engine will run cleaner and better if you take the time to properly seal it. Buy high-temperature sealant such as Permatex HIGH-TEMP Red RTV Silicone Gasket Maker and apply it very sparingly to any metalto- metal surfaces …

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Perfect Tape Hinging

Attach aileron hinge tape to the upper and lower sides of a wing’s hinge joint as follows. Place the wing on the edge of your workbench and, if necessary, secure it to the bench with masking tape. Turn …

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Control Arm Motor Mount

Looking for a handy way to mount a small brushless motor to a profile 3D park flyer? The answer is to modify a servo control arm. Du-Bro Super Strength Servo Arms are made of a sturdy, shock-absorbing material …

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Orienting the Engine Head

If your engine has a symmetrical cooling head and you have removed it to service your engine, it’s best to remount the head in its original orientation. This is because microscopic asymmetries in the original positioning of the …

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Light, Low-cost Dual Strut Landing Gear

Fiberglass light reflector rods can be purchased for $3 to $6 at many hardware and home improvement stores. Buy one with an outside diameter of approximately ¼ inch and you’ll have a sturdy, lightweight component that can be …

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Mounting Park Flyer Carbon Controls

Very small diameter, lightweight carbon fiber rods (available from Aerospace Composite Products, (www.acp-composites.com) can be just the thing for home-brewed control systems that go the extra mile in terms of eliminating slop and weight. Attach a .040-inch diameter …

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