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Charging Multiple Packs
Lithium-polymer cells have revolutionized electric flight, but as any e-flier knows, LiPo charging and maintenance can be time consuming. For optimum service life, LiPos should be stored around 3.8...
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Torque-Tube Tail Upgrade
For several years, Align’s T-Rex 450 series has dominated the small helicopter market. Rather than resting on a proven design with excellent quality and fit, Align has gradually upgraded the heli to...
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Turn your Slow Stick into an ultralight!
Slow Sticks are a fixture at nearly every park and flying field, but the MIA Designs Ultralight kit offers a fun way to give a different twist to this popular design. The overall look is reminiscent of...
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Lockheed AH-56 Cheyenne Project
A few years back I designed a scale model of the Lockheed AH-56 Cheyenne, probably my favorite helicopter of all time. The experimental Cheyenne featured a variable-pitch pusher prop and small wings,...
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AH-56 Cheyenne Project – Part 2 – Mechanics
BUILDING THE MECHANICS: As noted in my intro posting, my first priority for my 700-size Cheyenne project was to build and test fly the mechanics. After all, if I couldn’t get the outrigger tail and...
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AH-56 Cheyenne Project – Part 3 – Powertrain and Cyclic Servos
Here we continue my Cheyenne scale heli project, introduced here. The construction of the complex tail unit was covered here. MAIN GEAR AND CYCLIC SERVOS: While I had good reasons to choose the...
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AH-56 Cheyenne Project – Part 4 – Tail Boom
This installment continues construction of my 700-size AH-56 Cheyenne. The project begins here. With the Cheyenne’s powertrain and cyclic control issues resolved, next step for the project was...
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AH-56 Cheyenne Project – Part 5 – Tail Controls
This installment continues construction of my 700-size AH-56 Cheyenne. The project begins here. Since the Cheyenne’s tail rotor is mounted at the end of a long extension shaft, I needed to fabricate a...
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Radio Control Strandbeest
Not long ago I became fascinated by Strandbeests. These amazing walking machines are the brainchild of Dutch artist Theo Jansen, who has been designing and perfecting monumental scale versions for the...
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AH-56 Cheyenne Project – Part 5 – CNC Machined Plug
This installment continues construction of my 700-size AH-56 Cheyenne, which began here. After a break to pursue some other projects, I’m back to work on the 700 size Cheyenne. The next step was...
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Choosing Servos for Helicopters — Analog vs. Digital
(Opener) Flybarless helis like this large Robinson R22 are rapidly taking over, but these impressive machines impose heavier demands on the servos. Let’s address a question that seems to cause a good...
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