F8F Bearcat Gulfhawk (oz15096)


F8F Bearcat Gulfhawk (oz15096) by Warren Maczura 1968 - plan thumbnail

About this Plan

F8F Bearcat Gulfhawk. Control line scale model. Wingspan 35-1/2 in, for K&B .35 engine. Scale is 1/12.

Quote: "The plane was stripped of its battle dress, such as rocket brackets, guns, and radar equipment, making it 1,300 lbs lighter than its Navy counterpart. Powered by a Pratt and Whitney R-2800 engine, the ship could climb to 5,000 ft in 97.6 seconds from a standing start at speeds in the 450-500 mph range. The world's fastest prop-driven airplane, the Bearcat missed the war in the Pacific by only a few weeks and only 120 planes had been completed at the war's end. This colorful model, flashing a glass-like finish of orange, blue, and white, was flown by Major Williams from 1948 to 1950 when the plane was destroyed by fire in a landing accident at New Bern, NC.

Our model is constructed mainly of wood, silk-covered, and finished with dope, with detail work done from Willis Nye's plans. Accurate information was obtained with the cooperation of the Gulf Oil Company in Pittsburgh. The plans are drawn primarily with the scale builder in mind, but may be readily modified for sport or carrier flying. The 1 in to 1 ft scale model weighed about 4-3/4 lbs when completed, including a 1/2 lb nose ballast. I used medium and hard balsa throughout the construction. When building, one might keep this in mind and use materials considerably lighter in the aft section. The model can be built much lighter.

My Gulfhawk features operating cowl-flaps, droppable belly-tank, sliding canopy, shock-absorbing landing gear and tail wheel, wing-tip and tail lights, throttle cut-off, and functioning landing flaps actuated by 'down' position from the handle. It is powered by a K&B 35 equipped with a Johnson throttle; the cowl flaps are connected to the throttle linkage, opening on low speed and closing on high speed.

The auxiliary tank is released by throttling from high to low speed. All the lights are operable on low speed. Wing flaps were hooked to a reversing cam and toggle and, when given a full down, the flaps are lowered; when given full down a second time, they are retracted. A simplified version of flap linkage is shown on plans.

The landing gear should be the first item of construction. Except for the wheel axles and pins, most of the parts were rough-sawed aluminum, shaped and finished by hand filing. The cylinder is the only completely machined part. The landing gear support bracket and cylinder are pressed together. Press on the cylinder knee lug. Do not pin the shock strut in place until the model is ready for finish, since the spring tension will have to be determined by the weight of the model.

Tread on the 2-1/2 in Veco wheels is filed off by mounting them in a drill or lathe and using a coarse file. By filing off the tread, you will come fairly close to the 2-1/4 in scale wheels. The tail wheel is also filed flat on top and the sides are squared. Assemble the tail wheel..."

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Supplementary file notes



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F8F Bearcat Gulfhawk (oz15096) by Warren Maczura 1968 - model pic


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F8F Bearcat Gulfhawk (oz15096) by Warren Maczura 1968 - pic 003.jpg
F8F Bearcat Gulfhawk (oz15096) by Warren Maczura 1968 - pic 004.jpg
F8F Bearcat Gulfhawk (oz15096) by Warren Maczura 1968 - pic 005.jpg

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User comments

The correct designation for this airplane is "F8F". The title of this plan page and sidebar text incorrectly has it as "F-8F". The plan itself incorrectly refers to it as an "F-8-F", while the article text has both "F8-F" which is wrong, as well as the correct "F8F". Listing it with the correct designation of "F8F" would help searches immeasurably.
D B - 07/02/2024
Ok, I'll go for that. Let's rename this one as F8F. Just so we're clear, it will make no difference to searching, the Oz search ignores (strips out) any "-" characters within titles, so search results will be unchanged. But once you get to the page, it will look better :)
SteveWMD - 08/02/2024
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  • F8F Bearcat Gulfhawk (oz15096)
  • Plan File Filesize: 1783KB Filename: F8F_Bearcat_Gulfhawk_oz15096.pdf
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