Rearwin Sportster 9000L (oz1296)


Rearwin Sportster 9000L (oz1296) by Gene Salvay, Don Alix 1967 - plan thumbnail

About this Plan

Rearwin Sportster 9000L. Single channel radio control scale gas model for .049 power.

Quote: "Rearwin Sportster 9000L. Single channel or free-flight scale of a famous sport plane of the middle and late 1930s. 1/2A engine and small single channel receiver with escapement, or a motorized actuator, are all that is necessary for well flying scale machine. By ME Salvay and Don Alix.

Now for a few details on the Model 9000L Sportster. It was a steel tube, wood, and fabric plane. Two-place tandem seating was provided with baggage behind the rear seat. Unique was its all ball-bearing control system and oil-spring shock absorbers. The 9000L used the 90 hp Ken-Royce engine and cruised about 110 mph with a top of 123 mph. It grossed at 1460 pounds and compared to today's standards, the performance was pretty good.

Wingspan was 35 feet and length of about 22 feet plus. The plane was relatively tall, being almost 7 feet. The wing airfoil was an M6 reflex, which was popular in the early 30's. Special equipment was obtainable to permit night-flying, radios, engine starters, etc. Many non flying school planes came equipped with wheel pants.

Our model has been constructed without the wheel pants, but the NACA speed ring, that was so popular on most of the deluxe Sportsters.

As for the model, it was originally built as a single channel R/C plane, and used the Citizen-Ship LT-3 receiver. After a number of flights in this manner, the author removed the equipment and flew the model as a free-flight; and for one reason only. Due to the congestion at the Los Angeles RC field at Sepulveda basin, you couldn't have a regen set around. So in order to enjoy my main activity, which was scale flying, I tossed the towel in on the small RC equipment.

The model is a beautiful stable flyer, weighing 20 oz. The Cox .049 engine with an 8x4 prop gives surprisingly excellent flight, although insufficient power limits take-offs. As a result, all flying is done hand-launched. The adjustable stabilizer permits precise trim when used with a bit of nose ballast, and a flat glide and slow climb produces almost scale-like flying.

When flying as RC, the rudder, being full scale, must be very restricted in travel, say 1/16 to each side or the rolling effects are quite excessive. Since this author goes for scale rudder appearance and scale approach to rudder control systems, this is a critical point. Some builders may prefer to have a small tab only for a rudder and the conventional torque tube control.

The model is very ruggedly built and employs only one rubber band externally. This author has aversion to rubber bands holding scale models together.

Construction. Cut 26 ribs with spar notches from hard 1/16 balsa sheet. Cut four ribs from 1/16 birch ply, but include leading and trailing edge contours and leave out spar notches. Instead, drill 1/16 diameter hole for wing wire plug-ins. Two ribs will be used for wings and two for fuselage..."

Update 7/1/2024: Replaced this plan with a clearer version, now at 600 dpi, thanks to dfritzke.

Direct submission to Outerzone.

Supplementary file notes

Previous scan version.


Did we get something wrong with these details about this plan (especially the datafile)? That happens sometimes. You can help us fix it.
Add a correction

Rearwin Sportster 9000L (oz1296) by Gene Salvay, Don Alix 1967 - model pic


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

    ScaleType: This (oz1296) 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.

    ScaleType is formed from the last part of the Wikipedia page address, which here is
    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.

Rearwin Sportster 9000L (oz1296) by Gene Salvay, Don Alix 1967 - pic 003.jpg
Rearwin Sportster 9000L (oz1296) by Gene Salvay, Don Alix 1967 - pic 004.jpg
Rearwin Sportster 9000L (oz1296) by Gene Salvay, Don Alix 1967 - pic 005.jpg
Rearwin Sportster 9000L (oz1296) by Gene Salvay, Don Alix 1967 - pic 006.jpg

Do you have a photo you'd like to submit for this page? Then email

User comments

No comments yet for this plan. Got something to say about this one?
Add a comment



Download File(s):
  • Rearwin Sportster 9000L (oz1296)
  • Plan File Filesize: 1045KB Filename: Rearwin_Sportster_oz1296.pdf
  • Supplement Filesize: 1209KB Filename: Rearwin_Sportster_oz1296_article.pdf
  • Supplement Filesize: 791KB Filename: Rearwin_Sportster_oz1296_previous.pdf
  • help with downloads


* 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.


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.


Terms of Use

© Outerzone, 2011-2024.

All content is free to download for personal use.

For non-personal use and/or publication: plans, photos, excerpts, links etc may be used, provided that full and clear credit is given to Outerzone with appropriate and specific direction to the original content i.e. a direct hyperlink back to the Outerzone source page.

Unauthorized use and/or duplication of this material without express and written permission from this site's owner is strictly prohibited. If we discover that content is being stolen, we will consider filing a formal DMCA notice.