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I hesitate to describe any RC product using that term, but in the case of the new Spektrum DX7, revolutionary is the perfect word to describe a product that has the potential to fundamentally change the world of RC. Some may think I am being overly dramatic, but I suspect that after reading this article, you just might agree with my take on the Spektrum DX7.

The construction of a wing panel with a symmetrical or semi-symmetrical airfoil presents a challenge: keeping the ribs in their proper position and keeping the wing straight. One cannot pin or attach wing ribs to a flat building …

If you have an ARF with split elevators and you want a stronger elevator control setup than the traditional torque-rod, single-control-horn technique, create a Y-split in the control rod as shown. Bend music wire to the needed shape, …

Here’s how I organize and store my T-pins. This paperclip organizer keeps the pins from going all over the floor and workbench, makes them easily accessible (especially when sheeting) and is very economical. These can be purchased at …

Here’s a handy, lightweight Y-harness design for connecting lithium polymer battery packs in parallel to increase available capacity and discharge rate (for example, two 1200mAh packs in parallel become a single 2400mAh battery with twice the discharge rate …

A number of the new lithium chargers have banana plug leads to which you solder your connector(s) of choice. Because different lithium packs of different capacities come pre-wired with any of several types of connectors, solder additional connector …

Radio Shack heat shrink tubing has a glossy surface and can serve as a handy antenna support. Simply mount the tubing (no heat shrinking involved) in the fuselage and slide the antenna through the tubing. This relieves the …

It is an amazing juncture in aviation history—December 17, 2003 is the centennial of the first powered flight by the Wright brothers. The great revolution they began at Kitty Hawk, NC continues to this day. Since their first …

The 5-cylinder Morton-Burgess M-5 pictured right, was massproduced from 1946 to 1948. It sold for about $75.00 and ran well but could not hold a candle to the more powerful 2-strokes of that era. In the August, 1955 …

Last issue I described some of the tools required to be a successful electric aircraft modeler. This issue, I would like to discuss some physical properties of flying vehicles that many modelers often confuse. POWER An electric motor …

Building model airplanes is accomplished with greater accuracy and reduced building time, and to a certain extent with less skill, when proper tools are used. Many such tools are low in cost and can last the lifetime of …

Jeffery Szueber Jr., 17 years old, has been flying RC for almost 10 years. His father, Jeffery Sr., president of the Riverside Radio Control Club in southern CA, suggested to Jeffery that he submit a photo to our …

Many of us have reamed out prop hubs and then wanted to place the prop onto a shaft that is too skinny to center the prop. A quick fix for both glow and electric airplanes is to tightly …

Mold release residue on the inside of molded glass or composite fuselages can prevent balsa servo mounting rails from staying glued to the fuselage interior. This technique solves the problem, saves a tiny amount of weight and removes …

Any engine will run cleaner and better if you take the time to properly seal it. Buy high-temperature sealant such as Permatex HIGH-TEMP Red RTV Silicone Gasket Maker and apply it very sparingly to any metalto- metal surfaces …