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Stuphedd20/12/2019 14:33:07
705 forum posts
374 photos

I got bored with reading about the CAA stuff and the terrible weather , so went to look in my pile of junk , ( my garage ).!

lots of old Cox bits , except a duff head , collected as a school boy for the odd 10 bob here and there , and I remember I saw a Cox with a brushless motor in the tank running at the Nats this year and being an engineer it "inspired "me to see how difficult it would be to make one .

So I set to and did just that , hence the photo, one comment already is that with such a large tank for a cox and being full of electrons it should run for ever ,

The pure IC lads will probably object , but a project that gives junk another life is always good img_1688.jpg

brokenenglish20/12/2019 15:12:09
571 forum posts
30 photos

I don't think any "pure IC lads" will be bothered about a Cox Babe Bee...

Don Fry20/12/2019 16:55:27
4557 forum posts
54 photos

Love it. I always reckon there's a bit missing when something designed for a Cox goes up without bits of metal sticking out. Big prop, didn't they go on a 6 by 3, from memory.

Stuphedd20/12/2019 18:19:29
705 forum posts
374 photos

Yep the prop is far too pitchy! and 6x3 is the right prop for a scale engine , but it would be on a 2s, It has a 4300KV at present , the only motor I had with a smallish dia, but on a 3s it gets a little warm ! I do need to work on the cooling .blush


Capt Kremen20/12/2019 18:56:07
361 forum posts
144 photos

There's a 'cottage industry' German modeller/engineer that sells the whole range of Cox motors from 'PeeWee' upward or else will convert your own Cox engine to electric motive power. From memory, I don't think they were cheap though!

Phil Green20/12/2019 19:19:22
1595 forum posts
339 photos

Since he started, his prices have steadily increased to the point that its no longer tempting wink

These are old pricelists - they're about doubled now.

(sorry I spilled my tea on them)




Edited By Phil Green on 20/12/2019 19:20:49

Stuphedd20/12/2019 21:22:42
705 forum posts
374 photos

Thanks Phil, thats really useful info .

I guess it was the same guy I saw at the Nats , He did not speak English and the limit of my German is Drie Beir Bitter , so I learnt very little from him .

The larger conversions are easier as the motors dont have to hide inside the tank , But I wonder why anybody would want to ?? I made mine for fun !


kevin b20/12/2019 22:07:57
1836 forum posts
145 photos

Now add a Super 60 with a sound module, you could really take the proverbial out of the vintage purists.


Phil Green20/12/2019 23:52:10
1595 forum posts
339 photos
Posted by Stuphedd on 20/12/2019 21:22:42:

But I wonder why anybody would want to ?? I made mine for fun !

A lot of the S/C lads would love an electric Babe Bee. A Cox is fundamental to a lot of older S/C designs but clubs insisting on silencers prevent their use, then theres all the gooey mess and the one-shot motor run... at one time I wrote to Xenalook (aka Cox) and also to HK asking if they would consider it, but of course, no joy.

You dont need a huge motor, a Babe Bee on song gave about 43 watts and a Tee Dee about 75 as I recall.



Edited By Phil Green on 20/12/2019 23:53:36

Brian Cooper21/12/2019 00:12:28
552 forum posts
27 photos

There are many different aspects to our wonderful hobby. . . and we do it for fun.

If you have the engineering skills, then go for it. . Enjoy being creative. yes


cymaz21/12/2019 06:05:34
9252 forum posts
1195 photos

Love the ingenuity and skill. Now, if someone could put a radial ic engine in a electric motor housing dont know

Stuphedd21/12/2019 10:09:22
705 forum posts
374 photos

All good comments , Thank you , which encourage me to try stuff ??!! What next /or improve ?

A duff 4 stroke with all the open rocker gear in motion would be good !Shame I gave my open Enya 4stroke away!!

My interest in Cox es comes from the TD range in the 1/2 A pylon racing, TD 051s I did try a TD 09 in one, a Rollason Beta , home design , but too fast and too small !

Merry Time to one and all


Engine Doctor21/12/2019 10:36:00
2511 forum posts
39 photos

Every time I see these clever conversions it reminds me of a old club member back in the early days of electric model (brushed motors with Ni-Cad batteries). This member brought along his latest model complete with the top end of a Oliver Tiger sticking out of the cowling . You guessed it , he had cut the top off of the motor to make it look IC ! Our Secretary at the time , a diesel engine fanatic went apoplectic . A really funny scene with the two of them almost fighting over the destruction of the Oliver .

Great conversion but please try not to use valuable old engines like open rocker jobs as they are often the only source of spares for us restorers in the Oily hand society smiley

Stuphedd21/12/2019 12:01:40
705 forum posts
374 photos

I hear what you say "Oh Oily One " and you having helped me previously I shall put my Bunch Mighty Midget back in its box !!( it needs an ignition coil??)

And yes I would go appo at the wanton destruction of an Oliver !!


extra slim23/12/2019 09:25:28
490 forum posts
49 photos

Great job with that. I have seen a radial cox somewhere, now that would be worth some electron treatment!!.

andyh29/12/2019 02:26:43
429 forum posts
22 photos

can you hook up a pump to spurt oil out of the exhaust & down the side of the model? wink

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