Rainbow

 

Rainbow - plan thumbnail image

Rainbow - completed model photo

Rainbow  
by JM McAlroy
from Aeromodeller
July 1972 
36in span
Tags: Glider F/F
all formers complete :)
got article :)


Submitted to Outerzone: 02/09/2018
Outerzone planID: oz10426 | Filesize: 356KB | Format: • PDFbitmap | Credit*: Circlip, RFJ

   

About this Plan

Rainbow. 36inch span towline glider for beginners.

Quote: "A 36 inch span, ultra simple glider with a satisfying performance, especially developed for the beginner. Rainbow, designed by JM McAlroy.

So, you'd like to be an aeromodeller and build a model? Right, take some wood, glue and - no, hold on, it's not quite as easy as that, but if you are able to follow instructions, then you can have a glider airborne in just a few days.

This article is not for the expert: the model and feature were both designed to be ultra-simple - although that won't stop quite a few non-beginners building some for fun. If, however, you've never built any form of model before, then this is where Rainbow comes into its own. Prospective builders read on.

The first thing you need is a full size plan. To obtain this, just send to the AeroModeller Plans Service whose address you will find next to the plan. When it arrives, the first step is to study it carefully - more models have been spoilt by misunderstanding the plan than for any other reason. Thoroughly familiarise yourself with it; take your time, and see where the various pieces go and how they are set out. When you are ready, we come to the next part of the project - the balsa wood to build it.

We need very little wood to complete this model, fifty pence will be enough. The wood we use to build models is called 'Balsa' and comes mainly from South America. It combines lightness with good strength qualities, and so is ideal for our pur- poses. On the Rainbow plan, and indeed on many other MAP plans, you will find a list of basic materials needed. A standard sheet is a piece three inches wide, thirty-six inches long and whatever thickness you choose, ranging from 1/32 in to 1/2 in.

Draw up a list of what you need - then let's go and buy the wood. In the back of AeroModeller there is a list of model shops, but there is sure to be a shop near you somewhere that sells balsa wood. People behind the counter are only too willing to help new modellers if they know what they want, but nothing annoys them more than someone asking for 'a piece of balsa please', with no idea as to shape or size! If the proprieter will pick out the wood for you, then this is line as he will probably know better than you what wood he has in stock. If not, you must select it yourself but this is fairly easy if you are careful..."

Rainbow, Aeromodeller, July 1972.

Direct submission to Outerzone.

Supplementary files

Article pages, thanks to RFJ.

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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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