Paul Tradelius’s Blog

Helicopter Flying Safety

Mar 23, 2012 4 Comments

Helicopter flying safety is a subject that is important to all of us, but is also a subject we rarely discuss either at the flying field or in magazine articles. Although helicopters have a large spinning rotor disk, this does not mean that helicopters are more dangerous than airplanes, or any other form of R/C, [...]

Read more

Using the Pitch Gauge

Mar 07, 2012 No Comments

In my previous blog on the pitch gauge I said the accuracy of the gauge is less important than its ease of use and the repeatability of the results. The reason I say accuracy is less important is because one of the requirements to use a pitch gauge with a flybar helicopter is that the [...]

Read more

Ace GT5 Flybarless 3-Axis Gyro Control System

Mar 04, 2012 No Comments

One of the newest 3-axis flybarless control systems is the Ace GT5 Flybarless Gyro System from Thunder Tiger. As you can see in the photo, one of its greatest features is the bright LED display, with a full icon based menu touch pad that is completely adjustable without the need of a computer or an [...]

Read more

Choosing and Using a Pitch Gauge

Feb 23, 2012 No Comments

Even the most basic computer helicopter radio will allow you to adjust the pitch curve of the rotor blades once you have determined the high and low pitch end points. However, measuring these high and low end points requires the use of a pitch gauge. To put it another way, the pitch gauge enables you [...]

Read more

Budget Quadcopter: Blade mQX

Feb 12, 2012 2 Comments

The combination of highly efficient LiPo batteries and electric motors, together with improved micro electronics, have made the new “quad” line of helicopters a practical option for the average pilot, and the new Blade mQX from Horizon Hobby is the latest entry in this exciting field. The Blade mQX is fully assembled, with a 4-in-1 DSM2 [...]

Read more

When To Remove Your Training Gear

Feb 12, 2012 No Comments

There is one that every flier either will, or already has, asked of themselves, although they might not even know it. And that question is: When should I remove the training gear from my helicopter? Over the years I have helped many people learn to fly helicopters, and it’s amazing how good they get and [...]

Read more

New OS-105HZ Helicopter Engine

Jan 27, 2012 No Comments

This is the new OS-105HZ Helicopter Engine, with  DRS (Demand Regulator System), that was designed for precision aerobatic and 3D heli pilots to provide more power for their 90 size helicopters. As you know from my previous blogs, I’m running the OS90HZ in my Raptor 90G4, and it’s doing a great job. But I guess you [...]

Read more

Raptor 90G4 Flight Tests

Jan 21, 2012 No Comments

At the flying field the G4 has a presence all it’s own with its carbon structure, bright canopy and all metal flybarless head and tail rotor. While setting up for initial flight tests a crowd gathered like a giant inspection crew pointing out all its new design features and quality parts. There were even comments [...]

Read more

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.
Copyright © 2014 Air Age Media. All rights reserved.