Curtis P-36/Hawk 75 (oz11096)

 

Curtis P-36/Hawk 75 (oz11096) by Paul Kohlmann from Model Aviation 2018 - plan thumbnail

About this Plan

Curtis P-36/Hawk 75. Radio control scale model WWII fighter, for brushless electric power. Wingspan 60 in, wing area 591 sq in.

This plan is a free download available from the Model Aviation site at http://modelaviation.com/fighter-face-off-part-two where it appears along with links to the full build text and some great build pics. Also a free download of the plan in tiled format.

Quote: "Fighter Face Off. Curtiss Hawk 75/P-36.

In the US, the Curtiss-Wright Corporation was also making the leap to an all-metal, low-wing fighter through the introduction of the Hawk 75. First flown in 1935, this aircraft was developed as a private venture.

A year later, the US Army awarded Curtiss a purchase contract for the Hawk under the designation of P-36 (export versions retained the Hawk 75 name). More than 200 P-36s were built for the US Army Air Corps during the lead-up to WW II, but by 1941, the P-36 was rapidly being replaced by its more powerful sibling, the P-40.

The only combat seen by the P-36 was at Pearl Harbor, where Japanese aircraft were downed. Interestingly, the P-40 was credited with the other eight air victories on that infamous day.

Internationally, the Hawk 75 was a more successful aircraft. More than 900 were distributed around the world to countries including Argentina, China, Iran, and England. South African and Dutch pilots flew it against the Japanese in the Pacific, the Thais flew it against the French over Thailand, and the French flew it against Americans in Africa!

Like the I-16, the Hawk was still in service long after the war - Argentina was still flying Hawks in 1954. But the aircraft that were sold to France had the most colorful history.

The Hawk 75 performed on roughly equal terms against the Luftwaffe’s early Bf 109s in the Battle of France. After France fell, Germany captured 30 French Hawk 75s. These were sold to Finland, where they flew against Soviet forces including the Polikarpov I-16. Well-loved by the Finnish pilots, the Sussu, or sweetheart, became an 'ace maker' while racking up an incredible 12.6:1 kill ratio.

Building the Tail Group: Laminated balsa outlines provide strong, lightweight enclosures for the tail group framework. Start by cutting forms for the fin/rudder and the stabilizer/elevator. Foam sheet or plywood works well for the forms.

Soften 1/2-inch wide strips of 1/16 balsa by soaking them overnight in water. To begin the lamination, wrap one strip around the form, pinning it in place as you go. Pull the strip tightly to avoid kinks in the balsa as it bends around the form. Put a thin, even layer of glue on one side of the next strip and repeat.

Move the pins from the first strip to the second as you go. Repeat for a third strip and set the lamination aside to dry. Carpenter’s glue holds well and can easily be sanded. I like to let the outlines cure for a full 24 hours.

After everything has fully cured, pin the outlines down to the plans. Build up the inner framework by assembling the parts in numerical order. Feet on the underside of these parts will hold everything at the right angles..."

Note a full laser cut wood pack is available from Manzano Laser Works at http://manzanolaser.com/

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Curtis P-36/Hawk 75 (oz11096) by Paul Kohlmann from Model Aviation 2018 - model pic

Datafile:

ScaleType:
  • Curtiss_P-36_Hawk | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz11096) 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/Curtiss_P-36_Hawk
    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.

Curtis P-36/Hawk 75 (oz11096) by Paul Kohlmann from Model Aviation 2018 - pic 003.jpg
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Curtis P-36/Hawk 75 (oz11096) by Paul Kohlmann from Model Aviation 2018 - pic 004.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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