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Cox Engine of The Month
September-2019
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Post  DrCox on Tue Mar 26, 2019 11:00 pm

I do realize that the greatest interest within this forum revolves around the Cox engine attached to some form of model plane. Who doesn't enjoy the performance and appearance of those models?

However, some of these smaller gas engines perform quite well within other modes of transportation; namely boats. Back in the early 90's, I purchased a 17' Chris Craft Special Runabout by Scientifiic Models. It was a complete kit made from sturdy "Science Wood" which in reality was a carved chunk of balsa. Overall it really was well carved and a very reasonably priced and challenging kit. The wooden model came with mahogany veneer deck, flat brass with nipples to solder the gas tank, plastic windshield, pressed aluminum vents, paper dash and flags along with prop, drive shaft and additional balsa to make the seats.

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Growing up on the Chain O' Lakes in Waupaca, WI was a memorable experience with the number of small wooden inboards, lapstrake and outboards navigating the Chain throughout the summer months. Of course one usually tries to recapture ones youth by re-creating the models that are most reminiscent of those cherished memories.

Building the model some 25 years ago was quite enjoyable. I substituted the plastic windshield for a metal framed one and incorporated some model aircraft rubber cockpit combing around the seated areas. I was able to utilize an NOS Herkimer OK .049MS with recoil start for the engine. A number of filler coats of primer sealed the balsa grain prior to applying several lacquer coats of blue, red and white. I believe I used Pactra back then. I do wish Pactra lacquer was still made available to the general hobbyist. I also used chrome Bare Metal Foil for the cutwater.

Did I ever run it? Nope. Too much time invested within the construction to see it rattle apart. I know...wet blanket.

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Post  GallopingGhostler on Wed Mar 27, 2019 1:43 am

Nice, DrCox and with a legacy OK Cub engine to boot, fine job of quality construction and that of 26 years ago. I remember that kit. In high school, I was interested in boats, too, built a free running Dumas 1/2-A Swamp Buggy and my own design balsa stick and tissue small motor boat style boat with standard type hull similar to your Scientific Kit. Used to regularly check out Walt Musciano's book on model boats along with others from the local public library. But Uncle Sam got my attention after high school and that ended that.

But you brought back some fond memories from the past 47 years ago, many thanks. Thumbs Up
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Post  getback on Wed Mar 27, 2019 12:59 pm

Very nicely done a Beautiful boat i must say , Makes me want one But i just got to much to do and a lot of it isn't hobby related Doh!
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