Grumman F9F Cougar oz669

 

Grumman F9F Cougar - plan thumbnail image

Grumman F9F Cougar - completed model photo

This plan was found online 21/04/2011 at: http://www.rcgroups.com/forums/showthread.php?t=1265873&page=113
Outerzone planID: oz669 | Filesize: 483KB | Format: • PDFbitmap | Credit*: pd1

   

About this Plan

Grumman F9F Cougar. 1/2A scale ducted fan model of the jet fighter.

Quote: "Realism, a good flight performance, are combined in this beautiful scale job. Ducted Fan Grumman Cougar, by WH Paxton Jr.

Relative size of the flying model is indicated by nine-year-old Bill Paxton, author's son. Performance good enough to allow painted finish.

To those of you fortunate enough to have seen the Navy Blue Angels perform their fantastic precision-flying act at the Nationals, no introduction to the Cougar is necessary. To the rest of you, well - maybe the pictures of this model will speak for themselves. The wing span is 28 in; length, 33-1/2in; flying weight is about 13-1/2 oz. Power is supplied by the new Cox Thermal Hopper free flight engine, selected because of its terrific speed which was measured by strobe light with the metal fan shown at 17,200 rpm!

Construction of the model is not conventional but neither is it difficult if you take the time to study the plans and photographs and follow these step-by-step assembly sequence instructions:

1. In order to keep the weight to a minimum, be careful to select straight soft balsa for all bulkheads, ribs and for planking; medium soft balsa for all spars and longerons.
2. Cut out -11, -12 and -13 engine mount and supports from 1/8 basswood plywood. Add tin mounting plate with 3-48 nuts for engine.
3. Subassemble these using Ambroid cement and tie with thread the -13 mount to the -11 and -12 supports. Give entire assemby four coats of red Aero Gloss dope.
4. Tie and cement fule tank in place.
5. Cut out top, side and bottom longerons and all bulkheads..."

Update 21/10/2018: added article, thanks to RFJ.

Supplementary files

Article.

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oz669 datafile

Grumman F9F Cougar  
by WH Paxton
from Model Airplane News
May 1956 
28in span
Tags: Scale IC F/F Military Fighter
all formers complete :)
got article :)

 

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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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