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K-B Torpedo Special 29 with odd clutch thing Empty

K-B Torpedo Special 29 with odd clutch thing

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Post  cstatman Fri Jun 04, 2021 4:13 pm

pal rescued from garbage, sent to me,  I'm starting to cleanup

Defintely a ~ 1947-ish K&B Torpedo Special 29 Twin Stack

missing needle, soaking in penetrating oil

does anyone know what this wierd clutch looking thing on the prop shaft is?

Or where to get the super-trick bolt on tank these had?

K-B Torpedo Special 29 with odd clutch thing Torp10
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Post  cstatman Fri Jun 04, 2021 4:15 pm

K-B Torpedo Special 29 with odd clutch thing Torp210
another view of prop shaft "'device"

(I know NOTHING about vintage K&B)
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Post  crankbndr Fri Jun 04, 2021 5:29 pm

Looks like an old sparker, is the plug offset? I believe that thing on the shaft houses the points. Its not in the book and says repros were made.
I used to get old parts for sparkies from Woody Bartelt at Aero Electric.
It says Torpedo Special on it and the exhaust is unusual.
https://www.woodysengines.com



K-B Torpedo Special 29 with odd clutch thing Irs_do10


Last edited by crankbndr on Fri Jun 04, 2021 5:35 pm; edited 1 time in total
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Post  Ken Cook Fri Jun 04, 2021 5:35 pm

What you have there is a ignition engine. That's not a clutch. That is the ignition timer which advances the spark. The lever retards or advances the spark. There's contacts in there like breaker points. The lever opens and closes them. You would need a spark plug for that engine and not a glow plug. This would require a battery source and a ignition coil to run on ignition.

            The engine runs on automotive gasoline and a straight weight oil like 70 weight. This isn't readily available to easy so most use a white gas product and a two stroke oil found at Walmart. Depending on your cylinder head, some had a 3/8 size hole for a spark plug but some had 1/4"-32 which is standard thread for a glow plug. This would enable it to run on a glow fuel.

            The bolt on tanks can only be used with gasoline if they're the amber plastic versions. If one adds glow fuel to it, it instantly melts. Apparently, they made both and the later used aluminum tank with the Gits cap to fill.

Here's a old twin sparker we had running. My buddy Dan has some pretty archaic stuff and he has all bad connections as you can see. He won't fix any of it but would prefer to struggle. https://www.facebook.com/513140418756097/videos/1060813634318669/?__so__=channel_tab&__rv__=all_videos_card
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Post  crankbndr Fri Jun 04, 2021 6:17 pm

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Post  cstatman Sun Jun 06, 2021 6:45 pm

WOW WOW Ignition advance!

I just got it clean enough (with gentle heat) to turn over.

and? I think it may get cleaned up and turned into display, instead of running.

Will see.

thank ya'll so much for the info and links!!!

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Post  crankbndr Sun Jun 06, 2021 7:05 pm

The story in the link says the Torpedo Special was not made by K&B but another company. It does not say which company. It is not in the book under K&B. The twin stacks are unusual, I can find no other info about the Torpedo Special Twin Stack.
Fascinating, to quote my favorite Vulcan. LOL
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Post  fps60 Sun Aug 08, 2021 3:24 am

I wonder why I've missed this thread about one of my favorite engines. Torpedo Special 29, also known as 'Torpedo Twin Stack' was produced in the late forties - early fifties not by K&B but by the Company named Miniature Motors established by an engineer who was initially working for K&B (sorry, can not remember his name). Main features of the engine were opposite exhaust ports and unusually long plug channel. It's glow version is exactly the same as spark ignition. If you want to run it with glow plug you may simply remove the timer collet.
I was lucky to acquire such engine years before and I'd managed to start it successfully with Fox Miracle glow plug on the fuel mix which I use for my Fox 35 Stunt engines (5% nitro, 28% lub oil (castor/synth 50/50)). It was running satisfactory though nothing outstanding. I don't think I'd ever use it in practice but who knows...
Here is a video with this engine running (among others):
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Post  getback Sun Aug 08, 2021 5:27 am

Thanks ! That got my head buzzing first thing this morning , I can Almost smell the Nitro ! Nice collection of engines you had running . Very Happy
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Post  fps60 Sun Aug 08, 2021 9:27 am

@getback wrote:Thanks ! That got my head buzzing first thing this morning , I can Almost smell the Nitro ! Nice collection of engines you had running . Very Happy
You're welcome
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