Curtiss Osprey (oz3857)

 

Curtiss Osprey (oz3857) by Bill Winter 1936 - plan thumbnail

About this Plan

Curtiss Osprey. Scale rubber fighter model.

Update 24/1/2022: Added article thanks to hjsaxe, found on the http://www.theplanpage.com/ site.

Quote: "THE OSPREY, an all around military plane, has proved itself one of the best of the export fighters. Shipped principally to South American countries it does yeoman's duty there as a combination pursuit, attack and bomber. The high speed of 174 mph and the climb of 1620 ft per min insures the purchasing government of capable accomplishment of a wide range of missions.

Coupled with its trustworthy performance is its ever present ruggedness. The export fighter must be equally adept at zooming out of rough or tiny fields, lugging a load of eggs over scraggy peaks or at tearin over jungle tree tops through a rain of missiles to strafe a tenacious foe.

The constructional method employed on our Osprey is as fool-proof as possible. By cutting the four main stringers from sheet balsa, to a patterned shape eliminates all that is undesirable in the building of a bulkheaded fuselage. Not only is the fuselage interesting to construct in this manner but it necessarily must be true. The weight increase is negligible, the finished plane weighing approximately the same as one of conventional build and less than others of a special technique. The strength of the finished Osprey will be evident when it starts to take punishment.

In flight this little ship is a revelation. The model is not a fragile floater but a well balanced, snappy imitation of its prototype. Like its big brother, it needs to ask no quarter when it comes to flyability.

Fuselage Using the patterns given, cut the former stringers from a medium piece of 1/8 sheet balsa. The bulkheads are cut from 1/16 sheet. Cement the side stringers in place on two of the widest bulkheads and allow to dry. Place the remaining bulkheads in position between the same two stringers.

Locate the top stringers and the bottom stringers after checking the frame for alignment. The auxiliary stringers of 1/16 sq. stock are cemented in place. In making the original, the notches for these stringers were cut as the work progressed, their positions having been marked in pencil.

The rudder post of 1/8 sq is inserted and glued in place. The hook of .028 wire is bent and sunk in the rudder post. The cockpits are made by bending 1/32 sheet balsa. The sheet is at first glued in position. After the cement has set, mark the outline of the cockpits and cut out with a sliver of a razor blade.

Cut two pieces of sheet balsa the patterns for which are marked V and insert between the fillet extensions of No.3 and No.4 bulkheads. The points mentioned are marked Z and ZZ on the bulkhead sheet..."

Supplementary file notes

Article.

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Curtiss Osprey (oz3857) by Bill Winter 1936 - model pic

Datafile:

ScaleType:
  • Curtiss-Wright_CW-14_Osprey | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz3857) 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-Wright_CW-14_Osprey
    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 Osprey (oz3857) by Bill Winter 1936 - pic 003.jpg
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Curtiss Osprey (oz3857) by Bill Winter 1936 - pic 004.jpg
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Curtiss Osprey (oz3857) by Bill Winter 1936 - pic 005.jpg
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* Credit field

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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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