Curtiss Goshawk (oz15076)

 

Curtiss Goshawk (oz15076) by Paul Lindberg 1934 - plan thumbnail

About this Plan

Curtiss Goshawk. Free flight scale model fighter biplane, for rubber power.

Quote: "Building the Curtiss Goshawk. By Paul W Lindberg, Professional model designer.

THIS model of the Goshawk has been accurately designed to scale and our laboratory tests show excellent performance with this biplane. Flights between 400 and 500 feet are easily obtained, and let us say right here that it takes to the air like the actual ship itself. After the rubber turns are exhausted you will be thrilled at the sight of your model gracefully gliding into the field for a three point landing.

There need be no fear of washing out the 'landing gear as our laboratory has designed an ingenious type of shock-absorber fitted into the landing gear struts. This, with adjustable control surfaces mounted on aluminum hinges, improves construction and the explicit detailed plans will be of the utmost help to the model builder.

In building the model of the Curtiss Goshawk Fighter, all dimensions can be quickly and accurately determined by placing a ruler on the part to be measured as the plan is printed full size. If you wish a larger model, multiply this measurement by the amount of increase. The color scheme can be obtained from the cover of the February issue of Poplar Aviation.

CONSTRUCTION OF FUSELAGE: The fuselage sides are built from inch square square balsa. The longerons, ver-ticals, diagonal braces, etc., are held in place until securely cemented by inserting straight pins on either side of strips wherever needed. After the two sides are completed, they are pinned to the top of the plan in such a manner that the top longerons face down and so that the sides form right angles with the surface of the plan. The cross-members are now cemented in their proper locations. Cut formers from 1/32 inch sheet balsa and cement in their respective positions as shown on the plan.

All 1/8 inch stock is used at front and rear of fuselage, made oval as shown on plan in order that 1/32 x 1/16 inch stringers may be cemented to them, and in turn carried over remaining formers to rear of fuselage. Please note that the stringers are cemented to outer edges of formers. This is necessary in order to obtain a smooth covering job, and eliminates all projecting formers or bulk heads. Formers 5 and 6 receive stiff paper for cockpit cowling.

The former between formers 9 and 10 is cut from a heavier block of balsa. Pay very close attention to the manner in which it is formed, as this forms an air passage similar to those on the large ship. After the two front side cowls have been applied to either side of fuselage, use stiff paper or balsa veneer for the side cowls.

DUMMY MOTOR: The motor is built up entirely from balsa and sheets of paper. The cylinders are built first using the sheets of paper cut into disks, etc., to represent the fins. The layers in between these are made of sheet balsa 1/32 inch in thickness. These are cut smaller so as to make the cylinder more realistic.

The crankcase should be made from layers of 1/8 stock cemented together and shaped as shown on the plan. A solid block of balsa may be shaped up equally as well. After the cylinders and crankcase have been completed, cement the nine cylinders in their proper locations on the crankcase..."

Direct submission to Outerzone.

Quote: "Dear Steve and Mary, Here is a plan by Mr. Paul Lindberg for the Curtiss Goshawk. The plan appeared in the March 1934 issue of Popular Aviation magazine. It looks as though it was inspired by the subject on the cover of the issue for the previous month and its accompanying article; all enclosed.

I have not stitched it together yet [fixed now] because there is a slight gap in the printed plans with some details which need to be filled in, but it should not present any problem, and all the published data is there. It would undoubtedly make an attractive model. Kind regards,"

Supplementary file notes

Article.

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Curtiss Goshawk (oz15076) by Paul Lindberg 1934 - model pic

Datafile:
  • (oz15076)
    Curtiss Goshawk
    by Paul Lindberg
    from Popular Aviation
    March 1934 
    20in span
    Scale Rubber F/F Biplane Military Fighter
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 10/01/2024
    Filesize: 567KB
    Format: • PDFbitmap
    Credit*: GuyColeman
    Downloads: 399

ScaleType:
  • Curtiss_F11C_Goshawk | help
    see Wikipedia | search Outerzone
    ------------
    Test link:
    search RCLibrary 3views (opens in new window)


    ScaleType: This (oz15076) 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_F11C_Goshawk
    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.

Curtiss Goshawk (oz15076) by Paul Lindberg 1934 - pic 003.jpg
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Curtiss Goshawk (oz15076) by Paul Lindberg 1934 - pic 004.jpg
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User comments

1934? This was nearly 90 years ago and there's not much that needs improving.
Miguel - 28/01/2024
It looks like some of the top wing ribs are labeled incorrectly on the plans starting at rib D. The labels on the wing show every other rib as half ribs. C (full rib), D (half rib), E (full rib), F (half rib), etc., but the full rib profiles are labeled A-H and the half ribs are lebeled I-M.
RogerB - 28/01/2024
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Notes

* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.

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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