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Cox Engine of The Month
February-2024
1/2A Nut's

"RC Speed Boat Power Drive TD .020"

More info on this engine!




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Post  Sunbird 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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Post  TDbandit 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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Post  crankbndr 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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Post  Jason_WI 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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Post  balogh 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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Post  fredvon4 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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Post  JPvelo 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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Post  fredvon4 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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Post  Sunbird 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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Post  RknRusty 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.
Rusty

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Post  Cribbs74 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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Post  happydad Mon Nov 06, 2017 2:49 pm

welcome to the CEF.

happydad I Love This Forum! RC Plane
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Post  dckrsn Mon Nov 06, 2017 3:41 pm

Welcome Sunbird!!
No addict here. Only one engine has arrived this week.
Oh yeah, I know it's only Monday. Rolling Eyes
You're in good company.
Bob


Last edited by dckrsn on Wed Dec 13, 2017 7:59 pm; edited 1 time in total
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Post  roddie 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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Post  crankbndr 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.

Tee Dee Head vs Medallion Head Dsc01514
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Post  KariFS 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":

Tee Dee Head vs Medallion Head Image14

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

Tee Dee Head vs Medallion Head Image15

Oh, and Welcome to CEF Sunbird!
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Post  Kim Tue Nov 07, 2017 8:50 am

OH YEAH!!!
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Post  Kim Tue Nov 07, 2017 8:51 am

Oh...and: WELCOME TO CEF SUNBIRD!!!!!
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Post  Sunbird Wed Dec 13, 2017 7:13 pm

Hi Guys, I just rediscovered this topic and should reply!

Yes I took your advice and ordered some Nelson type heads and glow plugs which are on their way now. Takes weeks to get to OZ!

I too enjoy cleaning up and tinkering with user engines as I like looking at the NIB ones but am hesitant to run them just because. They will not perform any better than used ones and cost more to buy.

The growing collection today includes the following:-

COX ENGINES


Tee Dee .010 No. 130
Tee Dee .010 No. 130
Pee wee .020 with throttle and muffler No. 1001
Pee Wee .020
Pee Wee .020 Thimble Drome Red Tank + 3 Blade Prop.
Tee Dee .020 No. 160
Black Widow .049 No. 150
Black Widow .049 NO. 150
Tee Dee .049 Front Rotary Valve NO. 170
Tee Dee .049 Front Rotary Valve NO. 170
Tee Dee .049 Front Rotary Valve NO. 170
.049 QZ RC Cruiser
.049 RC Diesel
.049 Sure Start
.049 RC Sure Start
.049 KILLER BEE High Performance Reed Valve NO. 340
RC EAGLE .049
Babe Bee .049 with tank carburettor + heatsink NO 500350
Thimble Drome Space Hopper .049
TEE DEE .051 Front Rotary Valve NO. 200
TEE DEE .051 Front Rotary Valve NO. 200

Harpy Eagle - Customized Cox .049 Model Airplane Engine 049
Tee Dee 09 with throttle and muffler NO. 211
Tee Dee .09 Front Rotary Valve NO. 210 (To be made up from parts)
Tee Dee .09 Front Rotary Valve NO. 210
Tee Dee .09 Front Rotary Valve NO. 210
Tee Dee .09 Front Rotary Valve NO. 210
Tee Dee .09 Front Rotary Valve NO. 210

Tee Dee .09 Front Rotary Valve with throttle crank case only. NO. 210
Medallion .09
Queen Bee .074 with throttle and muffler NO. 3701
Medallion 15
Medallion 15 RC
Sportsman 15 with broken piston

I cannot help myself with the addiction!!!!




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Post  Jason_WI Wed Dec 13, 2017 7:21 pm

Yeah, you got the Small Cox Logo bug bad. No turning back now. When you start to use a spreadsheet to track your collection you are then officially a hoarder.
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Post  Sunbird Wed Dec 13, 2017 7:22 pm

Is that good or bad?
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Post  balogh Wed Dec 13, 2017 10:10 pm

I already started tracking them on an excel spreadsheet so I am a spoiled hoarder...good or bad? Good because its bad... Very Happy
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Post  getback Thu Dec 14, 2017 8:59 am

Sounds like you got it going on sunbird!! thats a good start ,,what no space or thermal hoppers? lol Small Cox Logo Babe Bee .049 Small Cox Logo
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