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Cox Engine of The Month
November-2017
MauricioB's

"Cox Tee Dee .010"



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Tee Dee Head vs Medallion Head

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Tee Dee Head vs Medallion Head

Post  Sunbird on Fri Nov 03, 2017 2:19 pm

Hi, as a 68 YO newbie getting back into the wonder world of reliving playing with COX engines, I have a question for the experts.

I am having difficulty tracking down COX 09 Tee Dee Glow Heads. I can get 09 Medallion heads. Can the Medallion heads be used on a TEE DEE?

I have become a bit of a COX addict and am too embarrassed to tell you how many have arrived this year!

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Re: Tee Dee Head vs Medallion Head

Post  TDbandit on Fri Nov 03, 2017 2:38 pm

hiya and welcome to the forum!
Yes the Medallion .09 head will work on the on the TD. The main difference is the squish band between the heads. The TD head produces more compression than the Medallion however they both will work fine just the medallion head won't produce as much RPM as the TD head. Hope this helps! (Bandit)
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Re: Tee Dee Head vs Medallion Head

Post  crankbndr on Fri Nov 03, 2017 2:45 pm

Hi Sunbird, I wouldn’t be embarrassed unless you have like 651 or so!!
Welcome to Coxland.
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Re: Tee Dee Head vs Medallion Head

Post  Jason_WI on Fri Nov 03, 2017 3:53 pm

Welcome to the Cox engine addict club. At one point I was buying 30-40 engines a month. Not all Cox either. OS engines and 4 stroke glow engines I collect also.
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Re: Tee Dee Head vs Medallion Head

Post  balogh on Sat Nov 04, 2017 2:07 am

Hi Sunbird welcome to the CEF international club of kids mature enough to play with COX engines (after many years, again). Ebay still sells TD09 heads at least I bought my inventory from there, if you are looking for genuine TD09 performance . MECOA sells 09 conversion heads for plugs.

Tell us more about how you handle our shared addiction!!!
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Re: Tee Dee Head vs Medallion Head

Post  fredvon4 on Sat Nov 04, 2017 10:03 am

Lost my lnk so not sure if it was Dough Galbraith or an other guy -----but there is a conversation head for Cox .09 for Nelson plug that is as good as or better than the high priced original TeeDee head, and cheaper
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Re: Tee Dee Head vs Medallion Head

Post  JPvelo on Sat Nov 04, 2017 2:16 pm

fredvon4 wrote:Lost my lnk so not sure if it was Dough Galbraith or an other guy -----but there is a conversation head for Cox .09 for Nelson plug that is as good as or better than the high priced original TeeDee head, and cheaper

http://www.flyfreeflight.com/Site/Modified_Glow_Heads.html
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Re: Tee Dee Head vs Medallion Head

Post  fredvon4 on Sat Nov 04, 2017 3:20 pm

Yep..thanks...JPvelo
I hate breaking in a new computer...nothing ever converts properly...I lost about 50 bookmarks...grrrr

On the subject of TeeDee or Medallion Cox engines

I had severe sticker shock when I did not know better about alternatives

My Cox engine range was .020 to .15....no dinky .010s

For some reason.... not too much volts, and not over compressed...I was popping glow heads --a lot

Had to quit e-bay and other source $10 to $15 a pop (a pun) glow heads...
about this point in re-learning curve 2012, Ken Cook mentioned Nelson plugs for combat models... when I found Galbraith site he had the smaller engine adapters...nirvanna!

One time cost for the adapter...$12 basically $5 for each plug...and I find the Nelson plugs are pretty robust even in 25~40% Vitamin N fed Combat engines

Many/most of my TeeDee, Norvel, Fora, and Cyclon combat engines sport the nelson method

And to many delight Merlin started a series of the Nelson plug but not the large format over sized upper body--- this means a typical igniter will twist lock on...have not bought any yet

I have since reduced back down to just .049/.051 TeeDee and Medallions in the Cox line , some intended to be full HOT high RPM engines, and some just plain old middle of the road easy to start engines

I did get one CoxInternational standard glow head adapter and with a typical glow plug the engine runs just fine

I guess what I am noting is---- for the Cox Engines, there are several options that are as good as--- or much better than an E-Bay TeeDee high Comp head for $15+
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Re: Tee Dee Head vs Medallion Head

Post  Sunbird on Sun Nov 05, 2017 1:21 pm

Thankyou everyone for the fantastic replies. I am just heading out the door to go to sea for work over the next few days. When I get back I can check out all the good advice offered. Thanks.

I have an 8mm video of me flying a control line plane at home taken in 1959 which has been put onto a DVD. I will attempt to upload it...... Just to prove I am an old newbie returning to the fold.
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Re: Tee Dee Head vs Medallion Head

Post  RknRusty on Sun Nov 05, 2017 6:46 pm

Sunbird wrote:...I have an 8mm video of me flying a control line plane at home taken in 1959 which has been put onto a DVD. I will attempt to upload it......   Just to prove I am an old newbie returning to the fold.
Yes! We need proof, Lol. You can't upload a video to the forum, but you can get a free YouTube channel and post it. And as you get more going on with builds and flight reports, the 'Tube is fun for showing your stuff in action. I have my 'Tube site in a link under my avatar.
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Re: Tee Dee Head vs Medallion Head

Post  Cribbs74 on Sun Nov 05, 2017 11:27 pm

While I too am interested in the video, I am more interested in what you do at sea.
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welcome

Post  happydad on Mon Nov 06, 2017 2:49 pm

welcome to the CEF.

happydad I Love This Forum! RC Plane
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Re: Tee Dee Head vs Medallion Head

Post  dckrsn on Mon Nov 06, 2017 3:41 pm

Welcome Sunbird!!
No addict here. Only one has arrived this week.
Oh yeah, I know it's only Monday. Rolling Eyes
You're in good company.
Bob
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Re: Tee Dee Head vs Medallion Head

Post  roddie on Mon Nov 06, 2017 4:10 pm

Welcome to our forum "Sunbird"!! Hand Shake There are many much-worse addictions than collecting model-engines! I'm not a "collector" per se'. I am of the belief that "mechanical-things" should be used rather than being merely showcased/admired on a shelf or in a glass cabinet... to languish. I can understand the "preservation" of things no longer produced.. but much of the love and memory of these things, comes from when they "were" popular.. and in operation.

To each his own.. Smile I hope that you enjoy this hobby as much as I do!
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Re: Tee Dee Head vs Medallion Head

Post  crankbndr on Tue Nov 07, 2017 7:47 am

These are some of my Cox engines that are "merely showcased" on my shelf. I suppose I should bolt up the NIB Strato to a model and fly it because that is what its made for, instead it will
"languish" on my shelf. There are plenty of runners to be had, I really enjoy Nuts ringing em out for all there worth.

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Re: Tee Dee Head vs Medallion Head

Post  KariFS on Tue Nov 07, 2017 8:21 am

I think there are many ways (for the lack of a better expression) "to do the hobby". Like Bob, my addiction heavily involves tinkering, not so much running or using the engines. I do like the look and feel of a new engine in its box, but since I as of yet have no place to display them, they don't bring me much joy, they pretty much just sit in a box in a closet. The dirty, scratched and/or incomplete ones are my favourite type of purchase as they will each give me something to do for an evening or two and also the satisfaction of making a nice thing out of an old wreck.

Here is one of my first restorations, a late '60s Babe Bee. Now that I look at the pictures again, I notice I could clean up the head a little better Smile

"As delivered":



Cleaned up, all the same parts except service parts and the head:



Oh, and Welcome to CEF Sunbird!
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Re: Tee Dee Head vs Medallion Head

Post  Kim on Tue Nov 07, 2017 8:50 am

OH YEAH!!!
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Re: Tee Dee Head vs Medallion Head

Post  Kim on Tue Nov 07, 2017 8:51 am

Oh...and: WELCOME TO CEF SUNBIRD!!!!!
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