Grumman F6F-4 Hellcat (oz5669)

About this Plan

Grumman F6F-4 Hellcat. Control line scale model for Vivell 35 power. Eagle Model Aircraft Co kit # PC-3. Scale is 1/12.

Quote: "Engineered and designed for precision flying scale and stunting flight-controller fighter. A precision flyer for every control-flying modeller, can perform all stunts within the realm of any flyer."

Direct submission to Outerzone.

Planfile includes full build instructions.

Quote: "Before starting construction of the fuselage, study the plans very carefully until you are thoroughly familiar with all phases of construction. fou will note that this is the simple and conventional type of crutch construction.

A short description of this method discloses that it is the equivalent of using only one side of the usual box type fuselage. All of us can lay down at least one side of the box, but when it comes to both sides and then the assembling, and you are in trouble. So with the crutch you just make he crutch and glue the upper.formers in place, then remove the crutch and upper half from the board, glue lower formers in place and you have the outline completed, simple isn't it. The usual box would now be driving you crazy and still the former construction hadn't even been started.

This Hellcat had been designed for the .035 and larger sizes of class C motors and has the usual planked type construction for use with these motors. If you intend using motors of a smaller size eliminate the planking and use the conventional stringer type construction. To do this simply take a pair of dividers or a compass and set it so that it will give you eleven equal spaces on the upper and lower formers starting at the keel stringer in the lower former and working up until you reach the keel stringer in the upper former. Mark formers F-2 and F-8 in this fashion, now take a piece of string and pin it to former F-2 at any of the notch markings and stretch it rearward until you reach the corresponding notch in former F-8, now pin the string in place at this point and sight clown the fuselage from front to back; line up the string until it runs absolutely straight and mark each former where the string touches, this will guarantee perfect alignment of all the stringers. Use this same system to locate the rest of the stringers as indicated on formers F-2 and F-8.

To start construction place piece of good grade of waxed paper over the plans on the top view. The waxed paper prevents the glue from adhering to the plans and facilitates removing the completed work from the workboard. Fig #1 shows the way to start the crutch. Take 2 pieces of 1/4 x 3/8 balsa and cut the ends at right angles cis shown in the small sketch in fig #1.

Now place a piece of balsa over the plans where indicated on the top view. Start from the rear and work forward. Be sure to place pins on either side of the wood as indicated. Now repeat with the other side of the crutch. If you have any difficulty with bending the wood to fit around the curve in the plans, soak the crutch longerons in hot water. Allow the balsa to soak for at least 20 to 30 minutes.

Fig. #2 shows the method of inserting the 1/4 x 3/8 cross pieces. Use the small illustration as a sample of how to cut out the cross members. Use pins to hold these pieces in place. After crutch has been completed notch the 5/16 x 1/2 hardwood bearers to fit over the crutch longerons. Use lots of glue to seat this joint. After this joint has been completed, insert the upper formers in their proper place. Start with former F-2 and work rearward..."

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