Workshop Tip – How To Rebuild a Du-Bro Fueling Valve Fitting

Jun 30, 2015 4 Comments

Over time, fueling valve fitting like those from Du-Bro can become contaminated with debris even if you use an inline fuel filter. Internally, the fueling valves’ O-rings can dry rot and begin to fail over time. Du-Bro even sells a rebuild kit to make the job of restoring your fueling valve to top working condition. Here is a [...]

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Sopwith Camel Update — Build-Along Part 31

Jun 29, 2015 No Comments

So, after an exciting, yet informative test flight, I found that we had a very nose-heavy condition, even though from the plans, I had the model balanced at the 25% MAC position. So much for the theory. With the Camel back safe and sound in the workshop, I have since moved the CG back to the [...]

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Just in! Blade Chroma Flying Camera Quadcopter

Jun 25, 2015 No Comments

Wow! We just received our review sample of the new, top of the Blade line of quadcopters the Chroma. Including the ST 10+ radio/controller with Android table and operating system, the Chroma breaks through the “quadcopter with a camera attached” category and enables you to actually concentrate on the photos and videos you shoot and [...]

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Really BIG Bücker Jungmeister

Jun 25, 2015 24 Comments

Who wants to take a ride? Helmut Müller’s 85% scratch-built Bücker looks like it could carry a small person, and it flies well enough that some of us might be willing to take it for a spin! The 17.5-foot-span aircraft weighs in at 286 pounds and is powered by a Hirth 521cc 2-stroke (intended for an ultralight) turning a Fiala 60 x 20 [...]

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Secrets to Inverted Flight

Jun 24, 2015 4 Comments

Nearly all aerobatic maneuvers involve some segment(s) of inverted flight, so to keep progressing, you need to develop proficiency with inverted flight. To start, let’s do away with the often repeated reference to the elevator being reversed when the plane is upside-down. It is that kind of thinking that causes people to become confused and [...]

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Workshop Build-Along — Sopwith Camel Part 30 — Test Flight with Video

Jun 23, 2015 9 Comments

Well after a long and enjoyable build-along series, I finally got the Sopwith Camel test flown at the recent 40th Annual Father’s Day Fun Fly in Kingston, Ontario, Canada. We went early and test flew the plane before the competition started. I should have been less anxious to commit aviation and I think it was [...]

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An RC Jumbo Jet’s First Flight

Jun 18, 2015 51 Comments

An RC plane’s first flight is usually a nerve-racking experience, but what if you’re flying a 16-foot-span, four-turbine-powered scale airliner? Earlier this month in Oppingen, Germany, Adi Pitz’s 747-400 scale model took off with pilot Rainer Kamitz at the controls. The largest plane Adi has ever built, it has over 2,000 hours of work into it, [...]

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5 Easy Steps to the Knife-Edge Spin

Jun 17, 2015 1 Comment

In my opinion, the knife-edge spin is one of the most impressive extreme aerobatic maneuvers. It’s very demanding for the pilot and the airframe. In traditional knife-edge, the aircraft is rolled approximately 90 degrees from upright level flight. Then altitude is sustained by using top rudder. When the maneuver is complete, the pilot will roll [...]

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