Friday, December 15, 2017
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Wing-Tips

Tight Places

Sometimes it’s necessary to install a nut and bolt into a tight place. It’s often very difficult to hold the nut in position while it is being driven onto the bolt. Sometimes tiny wrenches don’t work well or …

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Stronger Split Elevator Control

If you have an ARF with split elevators and you want a stronger elevator control setup than the traditional torque-rod, single-control-horn technique, create a Y-split in the control rod as shown. Bend music wire to the needed shape, …

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T-Pin Organizer

Here’s how I organize and store my T-pins. This paperclip organizer keeps the pins from going all over the floor and workbench, makes them easily accessible (especially when sheeting) and is very economical. These can be purchased at …

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Easy, Light Parallel Pack Connector

Here’s a handy, lightweight Y-harness design for connecting lithium polymer battery packs in parallel to increase available capacity and discharge rate (for example, two 1200mAh packs in parallel become a single 2400mAh battery with twice the discharge rate …

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Lithium Charger Leads

A number of the new lithium chargers have banana plug leads to which you solder your connector(s) of choice. Because different lithium packs of different capacities come pre-wired with any of several types of connectors, solder additional connector …

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Easy Antenna Mount

Radio Shack heat shrink tubing has a glossy surface and can serve as a handy antenna support. Simply mount the tubing (no heat shrinking involved) in the fuselage and slide the antenna through the tubing. This relieves the …

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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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