Sunday, April 23, 2017

Recent Posts

Master’s Workshop #51: Guillow’s Hellcat RC Conversion Part 2

By Bob Benjamin – bob@rcmodel.com Last month we ran out of page space with all panels of the wing framed up, ready to be joined at the correct dihedral angles to prepare for a sheet balsa covering job …

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Master’s Workshop #50: Guillow’s Hellcat RC Conversion

In the last print issue of Fly RC (April 2017), we got to talk about the Paul K. Guillow Company, examining what they have done as part of the history of American aeromodelling and what they have to …

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Choosing and Setting up your first 3D Plane

Skies are blue, winds are low so let's jump right in and look at some important characteristics of an appropriate, first 3D aerobatic plane

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Starting your 3D Aerobatic Journey on the right foot

I remember with great clarity the first time I saw a competent 3D pilot in action, performing wild tumbles and inverted harriers and hovering within inches of the ground. My jaw hit the floor and my concept of this hobby changed forever.

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The Stinson SR-9’s Servos And Stuff

The Stinson SR-9 project is getting very close to the time for me to begin covering and finishing, but there are a few installation details to be completed before I will actually be ready for “closing up” the structure.

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The Stinson SR-9 Struts And Fairings

The Stinson SR-9, like most high-wing, single-engine monoplanes of the 1930?s, relies on external strut bracing to stay together in flight.

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The Wheel Pants On The Stinson SR-9

Now we can get started doing wheel pants. They are provided as half-moldings of ABS plastic.

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The Molded Windshield

The kit designer chose to have you build up a four-piece windshield supported by discrete structural framing and a molded front cabin top to replicate the formed sheet metal on the full-scale airplane.

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The Stinson SR-9’s Engine Cowl

The focus of my attention this time will be the engine cowl. This is going to be a big deal no matter what, since this airplane, like all Stinson SR (Reliant) models, features a big round radial cowl loaded with detail in the form of eighteen rocker box cover blisters along with exhausts, access panel and various fastenings that we may or may not want to replicate.

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Building Cabin Doors For The Stinson SR-9

“You’re gonna put working cabin doors on that new scale job you’re building? And, you’re planning on taking it out and flying it, and flying regularly, not just once to prove you dared to? Yeah, right...”

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Sheeting The Fuselage Of The Stinson SR-9

Now it’s time to close up the bottom of the fuselage with sheet balsa. This part of the building sequence offers me a fine opportunity to talk about one of the choices of design and construction technique that went into developing this kit.

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Building The Nose Of The Stinson SR-9

During the last blog post on my website, I showed you how the Stinson kit design requires you to laminate several components of the nose structure (the fuselage ahead of former F-3, which lies in line with the leading edge of the wing) from die cut 1/8 inch plywood components and then to add various basswood strip spacers.

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