Gemini oz10522

 

Gemini - plan thumbnail image

Gemini - completed model photo

Submitted to Outerzone: 08/10/2018
Outerzone planID: oz10522 | Filesize: 2031KB | Format: • PDFbitmap | Credit*: dfritzke

   

About this Plan

Gemini. Radio control sport twin model. For 2x .35 engines.

Quote: "Leading twin powerplant designer and flyer from Alameda, California, tells you how much more exciting life as a radio control fan can be when you shift to dual engines. Bob's been flying these for four years.

As some of you may know, Twin Engine R/C Model Aircraft are not exactly strangers to me. I flew my first one in 1959 at the Nats in Los Angeles. That, by the way, was my test hop. It was flown on WAG Dual Radio with two K&B .35's - 1,040 sq in of wing and 9-3/4 pounds when ready for the air. Needless to say, it was a real thrill. Not so much in performance as noise. This plane was not fast, it had a very thick wing and a lot of protrusions in the air stream. I flew it through the speed traps at 50-mph, not fast either, but it showed great possibilities. Eventual result: the present Twin.

As the plans and photographs show, it is clean. Maybe not round, but clean aerodynamically. I used the same configuration as that used on my first Twin. Shoulder wing, tricycle gear, no up or down thrust in the engines.

Let's say it is a bright, sunny day, a little breeze is blowing about five knots. You have arrived at the flying site ready to fly your "Gemini". Of course, to make things more interesting, you never arrive first. Always make an entrance, re-member, you're in the center ring with this one.

You get out of your car and start assembly. (If your car is small like mine, you will have everything completely disassembled in order to carry it.) First the tail, then the wing (about that time someone will say:Hey, look fellows, here's a plane without an engine). Well, fool them. Get one engine out and strap it onto the wing, then the other one on the other wing. About that time, you will hear more comments like: Gee! a bi-motor. No! a Twin, gosh, one on each wing, not a tandem one. By this time, you have it all ready to go. Pick it up and carry it out to the field. Not the regular way, carry it up over your head, like it is so big that this is the only place where there is room enough.

Place it in your favorite spot on the field in a stand. I usually have a stand that holds the fuselage during assembly. Open your tool box and fill your balloon tanks..."

Direct submission to Outerzone.

Update 16/10/2018: Added article, thanks to theshadow.

Supplementary files

Article.

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oz10522 datafile

Gemini  
by Robert Heise
from American Modeler
September 1963 
76in span
Tags: IC R/C Multi
all formers complete :)
got article :)

 

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User comments

I love it when you post a set of plans for a model that I've never seen or heard about before. The model had .35 sized motors. There is reference to plans from Hobby Helpers - Plan #963 - for this design also. Imagine putting something like this up in '63.... Wow!
JeffGreen_LasVegas - 24/10/2018
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Notes

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Scaling

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