Interstate Cadet (oz3365)

 

Interstate Cadet (oz3365) by Earl Stahl 1941 - plan thumbnail

About this Plan

Interstate Cadet. Rubber scale model.

Quote: "A Miniature Flying 'Cadet'. A Realistic Flying Scale Model With Proportions That Give It Contest Performance. By Earl Stahl.

UNCLE SAM has recognized that one of the greatest assets to the aerial defense of our nation is to have a vast store of trained flyers. The Civilian Pilots Training Program, while of a non-military nature, is expected to supply, at a comparatively low cost, thousands of potential military aviators: 100,000 of whom are said to be required to man the great number of fighting craft now under construction.

Interstate's new lightplane, the 'Cadet,' was designed specifically for the requirements of training planes for this program. This two-passenger sport-trainer follows conventional lightplane practice and incorporates features of design and construction to improve performance and facilitate manufacture and maintenance. Powered by a four-cylinder Continental engine of 65 hp, it zips along at a maximum speed of 109 mpph. A non-stop flight of 375 miles is possible while averaging 100 mph. When it is necessary to land the Cadet floats to the runway at a mere 36 mph.

Aerodynamically and structurally, the Cadet is ideal for modeling. Unlike most lightplanes, it has a rather long fuselage as compared to the wing; the nose is long enough to create proper balance. Further, a large propeller can be used without lengthening the landing gear. Because of the plane's simple yet attractive design, it is not difficult to construct an accurate, rugged model with a superior flight performance from the plans which accompany this article.

Following is the recommended procedure of construction.

Fuselage. Properly join the plans together so construction can be started. A rectangular frame is the backbone of the fuselage, it is shown lightly shaded on the plan. Two sides are built from medium grade 3/32 square balsa, one atop the other to insure identify. When the cement has dried, the two sides are inverted over the top view; pin them into position and cement the 3/32 square crosspieces to place, being careful the entire structure is correctly aligned. It will be necessary to crack the longerons in order that they can be pulled into position at the front..."

Supplementary file notes

Article pages, text and pics, thanks to RFJ.

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Interstate Cadet (oz3365) by Earl Stahl 1941 - model pic

Datafile:

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


    ScaleType: This (oz3365) 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/Interstate_Cadet
    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.

Interstate Cadet (oz3365) by Earl Stahl 1941 - pic 003.jpg
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Interstate Cadet (oz3365) by Earl Stahl 1941 - pic 004.jpg
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Interstate Cadet (oz3365) by Earl Stahl 1941 - pic 005.jpg
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Interstate Cadet (oz3365) by Earl Stahl 1941 - pic 006.jpg
006.jpg

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User comments

The green and white model [more pics 004, 005] is my 1.5 times scale up of Stahl's Interstate Cadet for electric power and RET radio control. The aim was to retain the "ambience" of the rubber model in flight so the structure was scaled up faithfully except for necessary alterations for control surfaces and motor installation. It looks just like a big rubber model in the air and flies very nicely although it does require a relatively far forward CG due to the small tailplane (I used the scale outline rather than the enlarged one shown on the plan). Despite needing some extra nose ballast to get the CG far enough forward, it weighs just on 17 ounces and flies perfectly well on 50 watts of power. There are very many Earl Stahl scale models which would respond well to this kind of scaling up.
Sundancer - 27/07/2016
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Download File(s):
  • Interstate Cadet (oz3365)
  • Plan File Filesize: 234KB Filename: Interstate_Cadet_Stahl_oz3365.pdf
  • Supplement Filesize: 1203KB Filename: Interstate_Cadet_Stahl_oz3365_article.pdf
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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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