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Cox 140 Beaver

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Cox 140 Beaver

Post  Cox International on Thu Oct 06, 2016 10:21 am

We came across this engine the other day:

http://coxengines.ca/cox-140-chainsaw-engine-very-rare.html?&cat=0&page=

Although we had seen some used ones over time, had never seen a new one for sale. Interesting beast and came in OEM packaging, together with the original instruction manual.

Now, that will power one heck of a big control line airplane lol!
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Re: Cox 140 Beaver

Post  Cribbs74 on Thu Oct 06, 2016 6:48 pm

Where's the bar and chain?
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Re: Cox 140 Beaver

Post  Mark Boesen on Thu Oct 06, 2016 9:44 pm

It almost looks like it was marketed....as a engine? Not as a replacement for chainsaw engine or Bronco bike engine, would be interesting to see more photos of the included info...
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Re: Cox 140 Beaver

Post  Cox International on Thu Oct 06, 2016 10:04 pm

Cribbs74 wrote:Where's the bar and chain?

This was one way that Cox sold the engine, although they did also sell the engine in conjunction with a chainsaw.
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Re: Cox 140 Beaver

Post  Cox International on Thu Oct 06, 2016 10:07 pm

Mark Boesen wrote:It almost looks like it was marketed....as a engine? Not as a replacement for chainsaw engine or Bronco bike engine, would be interesting to see more photos of the included info...

Yes, it was marketed as an engine that could be used in various applications, such as aviation, boats, chainsaws, bicycles, etc..... interesting piece for sure. Some modelers converted it to a rockin' gas-powered airplane engine Smile

Let me know what pictures you would like.
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Re: Cox 140 Beaver

Post  Mark Boesen on Thu Oct 06, 2016 11:06 pm

photos of the info, just so we can read more about it. I've never seen one of these and got to think its a rare piece, especially NIB.

In the 70's or 80's there was a company (or two) that reworked these for 1/4 scale R/C, from what i remember reading they weren't too bad a engine.

Found this, was sold thru Hobby Lobby: http://www.rcuniverse.com/forum/engine-conversions-92/10060072-cox-140-gas-engine.html
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Re: Cox 140 Beaver

Post  crankbndr on Fri Oct 07, 2016 9:57 am

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Re: Cox 140 Beaver

Post  Cox International on Fri Oct 07, 2016 10:35 am

Yeah, first new one we ever came across and it was an incredible bargain, seeing that Venoms are going for $400+ these days.

Funny with the O&R as, with the Cox engine, we also received two O&R brochures, probably an oversight of the seller.

To address Mark's request, here is a link to the manual:

https://2e76ee21-a-62cb3a1a-s-sites.googlegroups.com/site/freefilesdownloads/Cox%20140%20Owners%20Manual.pdf?attachauth=ANoY7coRYhP1pwzTH4YDBeg1ZKvHVLAEEabaeh2UJqsspQDnUAwxno4ETsk9q1h7F1ZHsqTTETA9aHWAK-Sbhrz2SLPTtZKud9U7_Kgd4bhJqlUnzny8lhOuSQr5wG3sg-jVNrAiIRynlQjnpwPhBitowORDhZDv9RjuwOyIkR38LDbyIAMzL0u3mxNv9jthFqLGA2090k_lU5oodDtDsM5L-U0Qb4E9Wpa0WVsZ7z1FGSvnpdzdAf0%3D&attredirects=0
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Re: Cox 140 Beaver

Post  Mark Boesen on Fri Oct 07, 2016 11:45 am

thanks Bernie!
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Re: Cox 140 Beaver

Post  batjac on Fri Oct 07, 2016 12:19 pm

I have one of the chainsaw engines in a box somewhere around here.  I was thinking I'd put a prop adapter on it and build a giant Q-Tee to put it in.  Unfortunately, I'm not a machinist, and the few places online that sell parts for converting gas engines only deal with Ryobis, Homelites, and such.  Nothing that would work with the Cox 140.

I did see a guy selling a Rhino 140 last year, but he wanted way too much for an engine that didn't look in very good condition.  Besides, can you imagine how much Cox Superfuel a 1.4 c.i. glow engine would suck down on a 10 minute flight?

The Gassy Mark
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Re: Cox 140 Beaver

Post  Cox International on Fri Oct 07, 2016 12:42 pm

The Cox 140 uses regular gasoline, not that expensive Smile
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Re: Cox 140 Beaver

Post  Admin on Fri Oct 07, 2016 2:21 pm

There's a few other documents pertaining to these gas engine here: https://www.coxengineforum.com/h24-instruction-sheets#gas_engines_equip

Say Bernie, are there any other documents with your engine that are not listed here?

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Re: Cox 140 Beaver

Post  Cox International on Fri Oct 07, 2016 3:07 pm

Only an 8-page manual and it should be the one you already have.
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Re: Cox 140 Beaver

Post  roddie on Fri Oct 07, 2016 9:04 pm

Just an FYI, be careful using unleaded fuel if you ever run one of these engines. If you live near an airport.. you might be able to buy low-lead/high-octane fuel. It's expensive.. but is blended more like the fuel was back when that engine was made. The current fuel with ethanol is blended to run leaner.. so the jets in a vintage carb will need attention. Even though it's a 2-stroke; running it on unleaded/ethanol-based fuel may require the use of a fuel additive.. but again; be careful when mixing fuel. Additives can alter the fuel/oil ratio.
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Re: Cox 140 Beaver

Post  batjac on Fri Oct 07, 2016 9:42 pm

Cox International wrote:The Cox 140 uses regular gasoline, not that expensive Smile

Bernie, the Rhino 1.4 engines were Cox 140 engines fitted with a glow plug adapter and a pumper carb for glow fuel. If you look at the pictures in Mark's link above, you can see the adapter. I've never talked to anyone who ran one to see how they performed compared to a purpose designed glow engine in the higher displacements. But I tend to think that the performance probably wasn't all that great.

The Schnoz Mark
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Re: Cox 140 Beaver

Post  Cox International on Sat Oct 08, 2016 11:22 am

batjac wrote:
Cox International wrote:The Cox 140 uses regular gasoline, not that expensive Smile

Bernie, the Rhino 1.4 engines were Cox 140 engines fitted with a glow plug adapter and a pumper carb for glow fuel.  If you look at the pictures in Mark's link above, you can see the adapter.  I've never talked to anyone who ran one to see how they performed compared to a purpose designed glow engine in the higher displacements.  But I tend to think that the performance probably wasn't all that great.  

The Schnoz Mark


Interesting!
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Re: Cox 140 Beaver

Post  roddie on Sat Oct 08, 2016 5:22 pm

Some photos from my archives..



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Re: Cox 140 Beaver

Post  crankbndr on Sat Oct 08, 2016 7:43 pm

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Re: Cox 140 Beaver

Post  batjac on Sun Oct 09, 2016 3:14 am

Darn!  A Rhino 1.4 sold three weeks ago for just $30 shipped!  It wasn't listed as a Rhino so my permanent search didn't catch it!  Dang!!!!

The Upset Mark
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Re: Cox 140 Beaver

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