Double Scotch oz9674

 

Double Scotch - plan thumbnail image

Double Scotch - completed model photo

Submitted to Outerzone: 07/01/2018
Outerzone planID: oz9674 | Filesize: 635KB | Format: • PDFbitmap | Credit*: Circlip, RFJ

   

About this Plan

Double Scotch - Twin engined control line sportster for 1.5 - 3.5cc engines.

Quote: "ORIGINALLY INTENDED as a stunt/combat model with a difference, Double Scotch never fails to draw a crowd wherever it is flown, and is thus especially useful for flying at displays etc. Just the sound of two motors 'beating' together is enough to attract attention, and this combined with the speed and manoeuvreability of Double Scotch causes quite a stir!

The fuselage designs were conceived from floats fitted to the Supermarine S 6B, and have proved very sound - the prototype having survived a good deal of rough and tumble in the course of two seasons flying. No undercarriage is fitted, as it has proved to be more of a hindrance than a help with a rough grass flying field, but those with smoother take-off facilities could easily mount a leg to each of the fuselages for a taildragger.

When powered by two E.D. Racer 2.46cc engines, fitted with 8" x 6" propellers, the airspeed was in excess of 80 mph and the line tension quite considerable hence the use of twin bellcranks for safety!

The model will take a wide range of engines, from a pair of 1.5cc for the timid, to 3.5cc for the extrovert, but the weight should be kept as low as possible for maximum performance, particularly when powered by the smaller motors. The original weighed 28oz."

Double Scotch, Aeromodeller, September 1970.

Direct submission to Outerzone.

Supplementary files

Article pages, thanks to RFJ.

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oz9674 datafile

Double Scotch  
by Ian Davidson
from Aeromodeller
September 1970 
34in span
Tags: IC C/L Multi
all formers complete :)
got article :)

 

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Notes

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Scaling

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