Baby Boomer (oz12631)

 

Baby Boomer (oz12631) by Art Reiners from Model Builder 1972 - plan thumbnail

About this Plan

Baby Boomer. Free flight sport model for .020 engine. Twin boom design.

Quote: "This model is simple and easy to build, it has a rather unique profile in flight, and it flies well in calm air or in a mild breeze. If you put in enough fuel for more than a fifteen second engine run, put on your track shoes. I have lost four so far, on out-of-sight flights (some people never learn).

There are no tricky adjustments on Baby Boomer; just keep the alignment true and the glide slightly nose heavy. There is no dethermalizer built into this model. Frankly, I haven't thought of a good one yet. Let us know if you come up with one.

Since the wing is the only build-up portion of the airframe, I recommend it as the place to start. All wing ribs are the same, so cut out twenty-three of them. The W-2 ribs are 1/8 inch balsa material to provide more glueing surface for the booms. Be sure to notch the trailing edge to receive the ribs. Makes a stronger joint. Also, glue the dihedral gussets in after the dihedral has been set. Use plenty of glue at these joints.

I usually give the wing frame two coats of thinned butyrate dope before covering, and allow it to set overnight to dry completely. The covering is Japanese tissue or light-weight Silkspan, with two coats of clear dope to finish. Trim with colored tissue if desired.

The booms, fuselage, and tail may be completed while the wing is drying. Start with the stabilizer and rudders. Cut out stabilizer and cement to notch in bottom of booms. It is best to lay the booms and stabilizer on a flat surface and cement the booms..."

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Baby Boomer (oz12631) by Art Reiners from Model Builder 1972 - model pic

Datafile:
  • (oz12631)
    Baby Boomer
    by Art Reiners
    from Model Builder
    September 1972 
    31in span
    IC F/F Pusher
    all formers complete :)
    got article :)
  • Submitted: 11/11/2020
    Filesize: 421KB
    Format: • PDFbitmap
    Credit*: MB2020

Baby Boomer (oz12631) by Art Reiners from Model Builder 1972 - pic 003.jpg
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Baby Boomer (oz12631) by Art Reiners from Model Builder 1972 - pic 004.jpg
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* 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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