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

Datafile:

ScaleType:
  • Fokker_Dr.I | help
    see Wikipedia | search Outerzone


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

    If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.


    Notes:
    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Fokker_Dr.I
    Wikipedia page addresses may well change over time.
    For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

Fokker DR1 Triplane (oz2139) by Fred Fescharek from Young Men 1954 - pic 003.jpg
003.jpg

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Scaling

This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.

 

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