Fokker DR1 Triplane (oz2139)


Fokker DR1 Triplane (oz2139) by Fred Fescharek from Young Men 1954 - plan thumbnail

About this Plan

King Size Fokker Triplane. Scale triplane WWI fighter for control line. Ohlsson 60 shown.

Quote: "Cut out and number the fuselage formers. Note that, while formers #1 and 2 are the same outline and of 1/2 in plywood, Former #1 has a rectangular opening cut out of it. The rectangle is bolted with the engine to Former #2 and the rest of it becomes the back of the cowling, making the cowling removable by just removing the two bottom bolts and sliding it upward. Use #2-56 Half-A engine mounting bolts for this and bolting the landing gear on.

Former #3 is of 3/32 plywood and has two ears that extend above the fuselage sides to serve as an anchor for the mid-wing.

A piece of 3/32 plywood is bolted and cemented to the rectangle of Former #1 and to Former #2 as shown. This makes a notch for Former #1 to slide into with the cowling. Other pieces of 3/32 plywood are cemented and bolted to the back of Former #2 and the front of Former #3 to make notches to bolt the landing gear to.

Formers #4, 5, 6 and 7 are built up from strips cut from 1/2 in sheet balsa. Former #8 is the tailskid support and so is made from 1/2 in plywood. Don't put Former #8 in place until the tailskid has been bound and cemented to it.

The fuselage sides are cut from 1/8 sheet balsa. Assemble in the conventional manner but use plenty of cement on Former #2. We recommend using plas-tic wood or hardwood gussets to secure #2 to the fuselage sides.

The top of the basic fuselage is covered with 1/16 sheet balsa from Former #4 back to Former #7. The bottom is covered only from Former #4 back to the tail with 1/16 sheet balsa. The fuselage belly from Former #2 to #4 is left open until final assembly of fuel tank, wings and landing gear.

The balsa fairings of the sides and top are cut from 3/4 x 3-3/4 in soft balsa block. We suggest that you do not cut the two side fairings and the rear fuselage turtle deck to their triangular shape until they are otherwise completely carved and sanded to shape-then take a straight edge and a sharp knife and cut, refer ring to the side view of the plans for the side fairings and to the top view for the aft turtledeck. You may then hollow slightly for lightness and cement in place..."

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Fokker DR1 Triplane (oz2139) by Fred Fescharek from Young Men 1954 - model pic


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    ScaleType: This (oz2139) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

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