Jetster 20 (oz5955)

 

Jetster 20 (oz5955) by Dick Sarpolus from Midwest 1979 - plan thumbnail

About this Plan

Jetster 20. Radio control model for IC ducted fan.

Quote: "Chapter 4. Building your first ducted fan model.

Your first ducted-fan model aircraft should be easy to build - and repair. It must be stable in flight, yet be able to perform aerobatics. One combination of aircraft, fan unit, and engine that meets these criteria is Midwest Products' Jetster .20 airplane, powered by the Axiflo RK-20B ducted-fan unit and the K&B 3.5 cc engine. Although it vaguely resembles German jet fighters of the 1940s, I designed the Jetster .20 as a non-scale model. It is built of balsa and plywood, with Monokote or Solarfilm covering, and can be assembled quickly (typically in less than 50 hours) using familiar model building techniques.

The Jetster .20's wingspan is 48in, large enough for good performance but small enough for easy transport. The ducted-fan unit is mounted externally, so engine starting is much simpler than with an internal fan unit. The K&B 3.5 cc engine is less expensive and burns less fuel than 7.5 cc or .60 engines, delivers more than 20,000 rpm 'out of the box' and idles well. The Axiflo RK-20B ducted-fan unit is made of molded parts and can be assembled quickly. Use any four-channel RC system with lightweight servos.

Building the Jetster 20: The Jetster .20 plan is reproduced approximately one-third size on pages 20 and 21. Carefully read the plan in your kit until you know where each part goes and when it is to be added to the wing, fuselage, or tail. Assembly requires only common modelbuilding tools such as a hobby knife, modeling pins, sandpaper and sanding blocks, needle-nose pliers, screwdrivers, and a sealing gun or iron for the plastic covering. Your building board should be at least 10in wide and 36in long. Use a white glue such as Elmer's Glue-All or an aliphatic resin glue such as..."

Direct submission to Outerzone.

Update 18/09/2015: Replaced this plan with a more complete version (inc formers), thanks to AndrewGadsden.

Quote:- "Here is a new set of plans and former tracings for the Jetster."

Update 12/10/2015: Added kit instructions (and corrections) supplement text file.

Supplementary file notes

Article pages, text and pics. Titled 'Chapter 4: Building your first ducted-fan model' these pages are from an unknown publication. Very good and detailed, lots of photos. Also, previous scan version. Also, kit instructions and corrections.

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Jetster 20 (oz5955) by Dick Sarpolus from Midwest 1979 - model pic

Datafile:
  • (oz5955)
    Jetster 20
    by Dick Sarpolus
    from Midwest (ref:149)
    1979 
    48in span
    IC R/C LowWing Kit
    all formers complete :)
    got article :)
  • Submitted: 19/09/2014
    Filesize: 938KB
    Format: • PDFbitmap
    Credit*: toddsmodels, AndrewGadsden, JGreen

Jetster 20 (oz5955) by Dick Sarpolus from Midwest 1979 - pic 003.jpg
003.jpg
Jetster 20 (oz5955) by Dick Sarpolus from Midwest 1979 - pic 004.jpg
004.jpg
Jetster 20 (oz5955) by Dick Sarpolus from Midwest 1979 - pic 005.jpg
005.jpg
Jetster 20 (oz5955) by Dick Sarpolus from Midwest 1979 - pic 006.jpg
006.jpg

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User comments

Hi Steve! The dimensions on this plan are off, I compared a 100% printout to an original set of jetster plans and its about 3/4" off both laterally and vertically. I will see about getting mine scanned in here with a tracing of all the die cut parts.
anon - 03/09/2015
Hi Steve! Attached is a couple pictures of a completed Jetster [more pics 005, 006]. Thanks for maintaining such a great resource.
AndrewGadsden - 17/08/2016
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Download File(s):
  • Jetster 20 (oz5955)
  • Plan File Filesize: 938KB Filename: Jetster_20_fixed_oz5955.pdf
  • Supplement Filesize: 1291KB Filename: Jetster_20_fixed_oz5955_article.pdf
  • Supplement Filesize: 484KB Filename: Jetster_20_fixed_oz5955_Kit_Instructions_andCorrections.pdf
  • Supplement Filesize: 769KB Filename: Jetster_20_fixed_oz5955_previous.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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