SE5 (oz7615)

About this Plan

SE5. Free flight scale model of the WWI fighter biplane. Wingspan 48 in.

This is a modern re-drawn plan in vector format. Originally published in MAN 1939. See also SE5 (oz15726) for a bitmap scan.

Quote: "A GAS POWERED SE-5. How You Can Build an Exact Scale Gas Model Of a Famous World War Biplane Fighter That Flies Consistently. By Arthur Kronfelt.

HERE is a flying gas model for the World War model fans. The SE-5 is one of the few biplanes that will fly well. The wingspread is only 48 inches but it has enough wing area to take care of any 1/5 or 1/6 HP. motor. The model described here has a Cyclone 'D' and weighs a little over three pounds ready to fly. The wings are demountable, making the model easy to carry. It was not necessary to make any changes in the length of the landing gear, size of tail surfaces, amount of wing dihedral, prop diameter, airfoils, number of wing ribs or any other details. Anyone that has built a gas model before should not have any difficulty in constructing this model; but be sure to study plans carefully.

Fuselage: First it will be necessary to enlarge the plan four times to get a full size plan. Obtain a 10 x 36 inch board to work on. The fuselage longerons are 3/16 square spruce. The horizontal and vertical cross members to the rear of cockpit are also 3/16 square spruce. All other cross members aft of the cockpit are 3/16 square hard balsa. The tail post is not mounted until after the stabilizer has been assembled on the fuselage.

Place the fuselage sides over the top view of the plan. Cement cross members in place. Cut out the bulkheads from 3/32 plywood (bass or birch). The bulkheads are cemented to the sides of the cross members, not butted as in most cases. This makes a much stronger joint. Next cut out the fuselage formers from 3/32 balsa, and cement to fuselage. The stringers taper from 1/16 x 1/4 to 1/16 x 1/8. The 1/32 plywood fuselage rounding is butted against top side of the longerons, flush with the sides of the fuselage..."

Quote: "The article and plan appeared on The Plan Page many years ago and I drew up the plans from the originals. I've attached the article and my drawings for your information. If you choose to use the plan please proceed with caution - measure twice and then cut - because I may have made mistakes (change that, delete 'may' insert 'will'). However with the drawings and the article I'm sure you could make a fair go at it."

Supplementary file notes

Article.

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