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Throttle for Mills .75?

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JohnnyB09/02/2013 17:09:46
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258 forum posts
38 photos

Hi guys,

l've got 2 Boddo and 1 Irvine Mills .75cc diesel motors. They are all great little engines but I would like to adapt at least one of them to R/C control with a throttle conversion.

So, my question is - does anyone know if its possible to do the conversion and where I might get the necessary throttle barrel etc from. I'm guessing this is going a bit of a challenge to obtain.

Looking forward to any of your suggestions,

John.

Engine Doctor14/02/2013 11:07:24
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2382 forum posts
29 photos

Hi . there is a throttle available for the Mills . A chap was selling all spares for mills including throttled carbs at a swapmeet I went to late last year. I took a card but have mislaid it for the moment I'll have a look for it and PM you his contact details .I would imagine that they are similar thread size etc and worth a call. From memory they cost about £15 ? and looked very nice . I bought a couple of con rods and fuel tanks from him also very good .

E.D.

Edited By Engine Doctor on 14/02/2013 11:08:43

Bob Young14/02/2013 11:35:36
7 forum posts

Hi,

Andrew Boddington had some for sale a few monthes ago, I think I read it in RCM&E.

As E.D. has said there are a couple of people in the vintage circuit who make these. I'll see if I can find any details when I get home from work

JohnnyB14/02/2013 14:28:02
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258 forum posts
38 photos

Hi E.D and Bob,

Thank you for your positive replies. I will look forward very keenly to hearing from you later. In the meantime,I will keep my fingers crossed hoping for the best.

John.

Simon Chaddock15/02/2013 01:45:30
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5564 forum posts
2930 photos

In the distant past I actually throttled both a Mills 75 and 1.3 (both original!) by exhaust restriction alone.

It did not throttle down to a true tick over but I am not sure a diesel, particularly a small one, would anyway. It also made them a lot quieter!

Colin Leighfield15/02/2013 07:23:21
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5975 forum posts
2498 photos

Try Thomas-Oliver@sky.com. He makes them.

riverlandgirl.15/02/2013 09:15:12
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462 forum posts
281 photos

As has Simon, I have also succesfully throttled a couple of engines with exhaust throttles, all though glow not diesel. On one I made a small butterfly set right into the muffler tail pipe, the other I epoxied a rc carb, less spray bar, from a worn out engine, on to the tail pipe. both worked well, though the second a bit better, producing a very steady, and very quiet idle.

John Laird15/02/2013 17:52:01
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432 forum posts
46 photos

Peter Rose , who specialises in mills spares, has throttle for the 0.75.

I am messaging you with his tel no and email address

Bob Young16/02/2013 08:32:53
7 forum posts

Peter Rose was the person I was thinking of. John is sending you his details I think

JohnnyB16/02/2013 09:34:45
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258 forum posts
38 photos

Thank you guy's for taking the trouble to help out. I really appreciate your help and advice.

I will let you know how I get on

John.

JohnnyB19/02/2013 11:21:32
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258 forum posts
38 photos

Try Thomas-Oliver@sky.com. He makes them.

Thank you John for Toms Email address as shown above, but after getting in touch with him he has asked me to inform everyone that due to personal circumstances he no longer produces the throttle units for the Mills engines.

He no longer has the time to commit to producing these items and does not want to be inundated with orders and end up disappointing anyone.

I have managed to source not one but two Mills .75cc throttles and I would just like to express my sincere Thanks to you guys for your help and advice. Much appreciated.

John.

David King 1302/05/2013 20:24:23
4 forum posts

Johnny, could you let me know where you sourced the throttle for Mills 65 please?

Foxfan10/07/2013 15:02:16
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879 forum posts
7 photos

I was at Kempton Park (?) when ED introduced their ED Super Fury diesel, especially for model boat racing. It was throttled entirely on the exhaust, very close to the cyinder and ran faultlessly, never seeming to leave the 2 stroke, whereas most diesels tend to "4 stroke" when throttled. It was tasty looking, powerful and utterly reliable. I think throttled diesels are a much under-rated field of experimentation.

Martin

MikeQ19/01/2020 13:55:38
112 forum posts
95 photos

Hi

i know it's an old thread and a long shot but ... do you chaps know if anyone can supply RC carbs suitable for Irvine Mills .75cc. I've got a couple on Indian Mills 1.3cc and they work great in a KK Rover and a Veron Deacon.

Want to use my Irvine Mills in a RC converted Mercury Tiger Moth.

Cheers

mike

Edited By MikeQ on 19/01/2020 13:56:34

Edited By MikeQ on 19/01/2020 13:57:00

paul d19/01/2020 15:11:12
96 forum posts
8 photos

I could do with one as well as a unmarked or new prop nut for the Irvine version if anyone feels able to help.

MikeQ22/01/2020 12:33:15
112 forum posts
95 photos

I was thinking of a PAW RC carb and making an adapter out of a bolt. Anyone know the thread size for the Irvine 0.75cc carb assy ... where it screws in to side of crankcase. My motors are buried deep in models in the rafters ... sorry to be lazy.

Cheers

Denis Watkins22/01/2020 13:42:13
4048 forum posts
75 photos

Ripmax still have some bits

**LINK**

brokenenglish22/01/2020 15:43:15
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487 forum posts
30 photos

There will be a couple going on eBay shortly.

MikeQ22/01/2020 15:56:33
112 forum posts
95 photos

Couple of what?

brokenenglish22/01/2020 18:23:22
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487 forum posts
30 photos

A couple of Mills throttles, one for a 75 and one for a 1.3, made by the late Arthur Fox about 30 years ago.

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