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Cox Engine of The Month
October-2014
1/2A Nut's

Tee Dee .049 Modified
To Rear Induction
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Testors/Cox Cosmic Wind

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Testors/Cox Cosmic Wind

Post  Mark Boesen on Sat Feb 02, 2013 12:15 am

Heres some photos of the Testors Cosmic Wind from mid 70's that Cox later ended up with?




...and the only Plastic model sold by TYCO!

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Re: Testors/Cox Cosmic Wind

Post  Cribbs74 on Sat Feb 02, 2013 12:27 am

Interesting. Maybe the mould was just passed around?

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Re: Testors/Cox Cosmic Wind

Post  microflitedude on Sat Feb 02, 2013 12:54 am

Is it possible to modify a mold that much?

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Re: Testors/Cox Cosmic Wind

Post  Mark Boesen on Sat Feb 02, 2013 12:55 am

cribbs74 wrote:Interesting. Maybe the mould was just passed around?

yep, along with some money...

It just kinda bugs me that Cox would stoop so low to buy/lease/rent a mold from Testors!

This isn't the only time something like this had happened, after Comet went under the Tri Pacer ended up with Aurora powered by the Stallion .049 and their Se5a D-7, p-40 & p-51 as screw together plastic kits.

Its possible and was common to modify the mold of these planes over the years. Some of the Comet models went thru two, three, four different engine configurations.

Here's one example, the Comet Regulas was latter re-introduced as a 'T38' with a cockpit added and the 'new' .059 Cub reedie with push button spring starter!





Last edited by Mark Boesen on Sat Feb 02, 2013 2:14 am; edited 2 times in total

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Re: Testors/Cox Cosmic Wind

Post  pkrankow on Sat Feb 02, 2013 1:15 am

microflitedude wrote:Is it possible to modify a mold that much?

Depends on the mold. Some injection forming molds have hundreds of pieces that fit together, including cavity sections, springs, sprues, ejectors, etc. This high of a number is more of an exception though.

In some cases the large number of pieces is to allow for less complex and more accurate machining of the mold cavities. In other cases it is to allow version changes without replacing the entire assembly, but breaking it down and replacing a part (this is a BIG job all the same)

Phil


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Re: Testors/Cox Cosmic Wind

Post  roddie on Wed Oct 02, 2013 11:52 am

Wish it flew as good as it looks... I've still got the orig. red spinner and prop... was either a 5-2 or 5-4... but I have them both (with the spinner bracket on the props' hub) If it was designed (by Cox...) more to the size of the PT-19, it might have flown better. I'd love to build a built-up balsa version, maybe 22-24"/110-120 sq. and more elevator area.




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Re: Testors/Cox Cosmic Wind

Post  Cribbs74 on Wed Oct 02, 2013 1:34 pm

Brodak offers a profile balsa version with a built up wing if you wanted to save some time.

http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-cosmic-wind-little-toni-kit-beam-mount.html

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