Paul Tradelius

The ProTek RC Transmitter Case

Apr 18, 2013 No Comments

Everybody loves getting a new radio system, but unfortunately that could also mean the additional cost of a new radio case to protect that fancy new radio. Enter the ProTek R/C Universal Radio Case where the minds behind ProTek R/C have developed an all in one solution that will allow you to use a single radio case [...]

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O.S. GT15HZ: New Gas Engine

Apr 04, 2013 3 Comments

Many years ago we tried using Zenoah gas engines in our helicopters, but there were several problems we could not overcome. First, they were not designed to be used in helicopters. Rather, they were designed for some type of commercial operation, such as powering a small blower. This meant they were unbalanced, so they had [...]

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The TACTIC TTX650 Radio

Apr 04, 2013 No Comments

You may be familiar with the TACTIC  ”Any Link” module that allowed you to turn your transmitter into a 2.4 GHz radio to operate any Tx-R model. Now they have come out with their TTX650 full function 6-channel transmitter that is also compatible with all SLT receivers and Tx-R aircraft. This economical transmitter is powered [...]

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Getting Ready to Hover

Mar 21, 2013 2 Comments

Using the pitch angles I presented in my previous blog, it’s now time to practice hovering, and this is what all the building and planning have been for – to see a little light under those skids. However, this is also the time you will have to be very careful, and patient, because there is [...]

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Hover Collective Pitch Settings

Mar 12, 2013 1 Comment

In my previous blog I presented some pitch angles that are a good place to start for doing autorotations. However, if you are in the process of learning to hover it’s important to reduce the collective pitch range to keep the helicopter from being too sensitive. Many helicopter setup instructions recommend 5 to 10° of [...]

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Autorotation Pitch Angles

Feb 21, 2013 No Comments

I received the following e-mail from Jim Ryan about autorotations and the required pitch angles to make them work. Hi Paul, Hope winter is treating you well – what am I saying? Of COURSE winter is treating you well! Durned Floridians. I’ve set a task to myself to really master autos this year, and which will in [...]

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New GPS control from Skookum Robotics

Feb 11, 2013 No Comments

One of the latest flight control enhancements to our hobby is the incorporation of GPS positioning data into flybarless flight control system software. As we all know from using GPS in our cars, it can pinpoint our location with great accuracy and give us directions to almost any spot on the planet. However, one GPS [...]

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Tail Rotor Stabilization Experiments

Jan 22, 2013 1 Comment

First flight test your helicopter with its standard tail rotor configuration, and note the gyro sensitivity setting as well as the tail rotor response on specific maneuvers. Now replace the stock tail rotor mounting bolt with a longer one so weights can be added to each side of the tail rotor blade. I have found [...]

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