Paul Tradelius’s Blog

Futaba GY430 Gyro

Oct 14, 2012 No Comments

The new Futaba GY430 single axis helicopter gyro is one of the smallest and lightest (3.5g) gyros available.  It uses a trimmer that limits servo travel or gain adjustment, although gain can be adjusted from the transmitter using the remote gain function.  Dip switches select gyro direction and mode (heading hold or normal), while information [...]

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Engine Tuning Tricks

Oct 09, 2012 No Comments

Once the engine is started, don’t be concerned with the idle mixture as long as the engine will run close to idle. This is because the main needle valve does exactly what its name implies – it is the primary adjustment by which fuel enters the engine, and all other adjustments are a subset to [...]

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FelyuTech FY-30A Flight Stabilization Unit

Oct 04, 2012 No Comments

The FY-30A uses a three-axis gyro and three-axis accelerometer for inertial sensing. The other major components are an inertial navigation platform and strap down attitude algorithm designed for fixed wing aircraft stabilization.        •  Level flight– The FY-30A will automatically control the aircraft for smooth and easy flying. For beginners it makes flight easier [...]

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Reinventing the Wheel

Sep 29, 2012 1 Comment

Every so often we come across an experience that we had before, and have to relearn something we already knew. I call that reinventing the wheel. And this is exactly what happened to me a few days ago. For those of you who have been flying helicopters for a period of time, I’m sure you [...]

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Dual Eyewear Sunglasses

Sep 27, 2012 No Comments

Dual Eyewear ( has a complete line of sunglasses for those of us who also have a need for reading glasses. Their Dual X12 with white rim is a nice sport pair, while their Dual FP-2 Polarized has extended side and brow area. This is especially nice while flying because now I can turn my [...]

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SKS IRCHA Heli Jamboree Video

Sep 27, 2012 No Comments

The 2012 IRCHA Heli Jamboree is now available on video from SKS Video Productions. Recently held at the AMA National Flying site in Muncie, IN this is the largest helicopter gathering in the world, with over 1,000 registered pilots. If you are into helicopters, this is the place to be to see not only the [...]

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Getting To Know Your Engine – Part 3

Sep 24, 2012 No Comments

Basic Carburetor Operation – The engine uses a carburetor to mix the incoming air with fuel to obtain the proper mixture to support combustion. Although there are many different carburetor designs, the most common is the TN (two-needle) type that uses both a main and idle needle valve (NV) to adjust the fuel mixture, together [...]

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Exclusive! Align T-Rex 700E

Sep 19, 2012 2 Comments

In this economy we are all looking for a helicopter that is the best combination of quality, performance and value. Enter the T-Rex 700E DFC Super Combo by Align. This new T-Rex 700 E is the culmination of everything Align has learned about helicopters, and incorporates new design features to improve performance, reduce parts count [...]

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About the author

A regular contributor to Model Airplane News, he is also the columnist for our “Rotor Speed” helicopter column. Paul has been flying RC helicopters since the early ‘80s and now enjoys all types of rotary machines, including scale and aerobatics, and he continues to experiment with modifications to improve performance.
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