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Cox Engine of The Month
September-2020
sosam117's
"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."
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sosam117's
"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."
PAST WINNERS
CEF Traveling Engine
Win This Engine!
PT-19 Replica
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PT-19 Replica
duaneh on Thu May 16, 2019 12:14 pm
I saw the thread about the PT-19 "Fly It If You Got It Day" and it made me realize I didn't got one anymore. Had a red & white one 50 years ago. Then found a drawing of the original online, and set about to build a balsa one.
This is the first all-flying tail I ever made. I hope it works. Covered with Monokote because I come from the RC world and I have lots of it. Weight is 6.7 oz.
Found a used Babe Bee and added a muffler. My old one didn't have an extension like this on the muffler, but it may keep the plane cleaner.
The only thing lacking now are pilots. I would like to find a pair of original Cox PT-19 pilots to do the flying. If anyone here can hook me up, please PM me.
This is the first all-flying tail I ever made. I hope it works. Covered with Monokote because I come from the RC world and I have lots of it. Weight is 6.7 oz.
Found a used Babe Bee and added a muffler. My old one didn't have an extension like this on the muffler, but it may keep the plane cleaner.
The only thing lacking now are pilots. I would like to find a pair of original Cox PT-19 pilots to do the flying. If anyone here can hook me up, please PM me.
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Re: PT-19 Replica
Kim on Thu May 16, 2019 5:58 pm
WOWEEEEE!!!!!!!!!!!!!!!!!!!!!
EXCELLENT!!!!!!!!!!!!!!!!!!
EXCELLENT!!!!!!!!!!!!!!!!!!
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Re: PT-19 Replica
NEW222 on Thu May 16, 2019 8:12 pm
Amazing job on the scratch build there. Thanks for sharing.
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Re: PT-19 Replica
Dave P. on Thu May 16, 2019 9:22 pm
Boy, if you can't buy it, build it! That's beautiful. Nicely done. I'm curious to hear how it flies compared with the Cox version. Thanks for sharing
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Re: PT-19 Replica
duaneh on Thu May 16, 2019 11:17 pm
Thanks for all the kind words! I am anxious to see how it flies, too. I'm not really qualified to compare to a Cox. I haven't flown one, or any CL model, in over 40 years. This version lacks the pop-apart features of the original. Maybe I should try something like a Skyray or Wizard first.
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Re: PT-19 Replica
getback on Fri May 17, 2019 9:44 am
That's one Nice Job on the Build can tell you have been building R/C for awhile !! Wish i had some pilots for you for the finishing touch !! Yes mite bee a good idea to build something that is not that prestige to fly before this Pretty Bird ! 
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Re: PT-19 Replica
DrCox on Fri May 17, 2019 10:32 am
Wow...if I didn't know better, at first glance it appears as the Cox QZ Trainer. What a fantastic job of scratch building, especially the windscreen frames.
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Re: PT-19 Replica
dirk gently on Thu Jan 02, 2020 1:20 pm
Oh, man, that thing is beautiful!
Can you elaborate a bit how you made the back-top fuselage, between the aft cockpit and the fin?
What thickness and density balsa did you use for the wing? What carving technique for the airfoil?
Can you elaborate a bit how you made the back-top fuselage, between the aft cockpit and the fin?
What thickness and density balsa did you use for the wing? What carving technique for the airfoil?
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Re: PT-19 Replica
Ricksrod on Thu Jan 02, 2020 4:40 pm
dirk gently wrote:Oh, man, that thing is beautiful!
Can you elaborate a bit how you made the back-top fuselage, between the aft cockpit and the fin?
What thickness and density balsa did you use for the wing? What carving technique for the airfoil?
Ditto the above!! Very nice. Been thinking of doing the same..Man, it looks great!!
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Re: PT-19 Replica
duaneh on Thu Jan 02, 2020 5:29 pm
Thanks for the interest guys! The fuse top is sheeted with 1/16" balsa to the former behind the rear cockpit. From there back, it is strip planked with 3/32" x 1/4" balsa, and sanded to blend with the sheeting. The wing is a built up structure, not carved. Each panel consists of a 1/16" bottom sheet, cut to shape, and a full depth spar. Since the panel is so small, there are only 3 ribs; root, mid-span, and tip. 1/16 top sheeting. 1/4 sq. LE, sanded to shape.
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Re: PT-19 Replica
duaneh on Thu Jan 02, 2020 7:54 pm
With the new pilot aboard, weight is up to 6.8 oz. from 6.7. Going to have to have a discussion with him about his diet.
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Re: PT-19 Replica
getback on Fri Jan 03, 2020 7:00 am
Looks Good , got the ck. the other day dropped in the rain on the porch But found it later getting in wood DUH !! 
Like i said i will keep my eyes out for more . 
Like i said i will keep my eyes out for more .
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Re: PT-19 Replica
rsv1cox on Fri Jan 03, 2020 7:15 am
Wish I had your skill. I would just clear seal the balsa and admire the woodwork.
Bob
Bob
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Re: PT-19 Replica
Mike1484 on Fri Jan 03, 2020 11:18 am
I just love to see these home brew scratch builds ! Excellent job Duaneh .
Mike1484
Mike1484
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