Howard DGA-8 (oz4933)
About this Plan
Howard DGA-8. Rubber scale model.
Direct submission to Outerzone.
Update 23/11/2019: Added article, thanks to SpeedJones.
Quote: "Building Howard's Cabin Job, by Paul W Lindberg, Model airplane designer and Model Editor for Popular Aviation.
THIS fine flying model is an exact duplicate of the plane now in production by Benny Howard and his associates. This model is a very good flyer and we are sure you will enjoy many interesting hours building it.
Fuselage: orange and black with white trim.
Wings and tail surfaces: orange with black and white trim.
Details: silver, black and white.
CONSTRUCTION OF FUSELAGE: In order to prevent the framework from sticking to the plan, we advise you to use a sheet of ordinary wax paper between the framework and on top of the plan.
We suggest that you begin with the fuse-lage, which is constructed one side at a time. The longerons, vertical and diagonal, etc, are held in place until securely cemented. This is done by inserting straight pins on either side of the strips.
When the fuselage sides are completed, they are pinned to the top of the plan in such a manner that the top longerons face down and the sides are at right angles with the table. The cross members are now cemented in their places forming a rectangular fuselage.
Cut formers from sheet balsa and cement in their respective position. There are only a few of these formers attached to the fuselage and little difficulty will be encountered here. Refer to plan for exact sizes.
The position of stringers is clearly shown on formers. Note : All stringers pass over tops of each former. This results in a neater covering job.
CONSTRUCTION OF THE WINGS: This wing is made up of two separate panels. Cut all ribs from 1/16 balsa. Pin the spar in position on the plan. Now, ce-ment the ribs in their proper locations.
The leading and trailing edges are cut and sanded to shape then cemented to the ribs. The panels carry removable ailerons, which are a great help in controlling the flights.
Make wing tips from 1/16 balsa. We highly approve of this type wing tip because it is much easier to construct and neater in appearance.
CONSTRUCTION OF ELEVATOR AND RUDDER: These are made from 1/16 square flat balsa and are constructed on the plan. Their construction is easy - therefore, you should have no difficulty here. In covering the elevator it is important that the two units are covered separately in order that they may he inserted in slot at rear of fuselage. The aluminum hinges are inserted after they have been placed in the rear of the fuselage.
CONSTRUCTION OF LANDING GEAR: The construction of the landing gear struts is clearly shown on the plans. These struts are constructed of tough balsa and are reinforced with wire stiffeners. Balsa or paper fillets are used for fairings.
CONSTRUCTION OF THE MOTOR: The crank case is built up from solid blocks of balsa, the cylinders of solid balsa, wrapped with heavy thread to imitate fins. Push rods, rocker arm caps, etc, are clearly explained on plan.
ASSEMBLY: The landing gear is now attached to the fuselage. It is very important that these parts are securely fastened, in order that it may survive severe landings.
Attach the wing panels to the top of fuselage cabin by merely cementing them in place. The wing struts are now at-tached and as you will note the upper part is neatly faired in with an extra rib and paper fillet.
The wind shield and celluloid windows are cemented in position after the model has been completely painted.
TESTING AND FLYING: Two types of propellers are used on this model. One is made of fiber, which has a much wider blade, causing the rubber motor to turn at less rpm, and enabling the model to fly greater distances. By twisting the blades, the pitch can be easily adjusted.
The balsa scale propeller is used for ex-hibition purposes only. Six strands of 1/8 in flat rubber are sufficient to fly the model. With the rubber motor and flying pro-peller in place, gently launch your model over tall grass to see whether it is properly balanced. If model glides a short distance and nose rises abruptly, it will be necessary to add weight to the bottom of the nose.
If model dives, add weight to tail. After the model is balanced to glide at an even angle, you are ready to test your model under power. A few trial flights will acquaint you with your model."
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