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Viper .049 engine

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Viper .049 engine

Post  watertrucker on Sun Jan 22, 2017 3:59 pm

Was wondering if anybody knows anything about a Viper.049 glow engine. I just scored a vintage Prop Rod on eBay with this engine. Looks like a Cox crankcase and tank but with  chrome cylinder and head with red accents. Seller says it's a modified Cox.049 Thanks, guys.
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Re: Viper .049 engine

Post  Ken Cook on Sun Jan 22, 2017 4:25 pm

A picture is worth a thousand words. It sounds like you have a custom engine built and anodized by Tim Wiltse. He made some very interesting and high performance versions like the Mangusta Cox .049. Halfa Works was his website and he produced 3 engine versions like you have starting with stage 1-3. Each version had some mod offering just a bit more performance over the prior stage. He fitted the parts and anodized them. Each engine was test run and released based on a rpm offering. Tim fell off the planet and hasn't surfaced in quite some time. This certainly sounds like one of his engines.
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Re: Viper .049 engine

Post  watertrucker on Sun Jan 22, 2017 5:17 pm

Thanks Ken. I can't figure out how to post a pic from eBay. I might have to wait until it shows up and take some pics of it. I only gave $100 for it so it seems like it was a good deal. It's an older Prop Rod with the aluminum bottom. I really wanted one like that and the unique engine was a plus.
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Re: Viper .049 engine

Post  crankbndr on Sun Jan 22, 2017 5:58 pm

http://www.ebay.com/itm/COX-PROP-ROD-W-VIPER-049-GLOW-ENGINE-/142253556961?hash=item211ef904e1%3Ag%3AwsQAAOSwjDZYg9gW&nma=true&si=%252F8W4lONxpPDLIh7FqhWr8TMlFJc%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557


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Re: Viper .049 engine

Post  Cribbs74 on Sun Jan 22, 2017 6:15 pm

That's a new one to me! Shocked

Is that a working engine?
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Re: Viper .049 engine

Post  Ken Cook on Sun Jan 22, 2017 7:20 pm

That's not a Tim Wiltse engine. I've seen these on Ebay and I have no knowledge in regards to them. Ken
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Re: Viper .049 engine

Post  Marleysky on Sun Jan 22, 2017 7:46 pm

I've never seen one like that. I like the BadA$$ look. Hope it runs as fast as it looks!
Yeah, not bad for $100 for sure.
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Re: Viper .049 engine

Post  watertrucker on Sun Jan 22, 2017 8:13 pm

Thanks crankbndr, that's the one! I'll keep you guys posted on what happens with it. Thanks everybody for the replies.
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Re: Viper .049 engine

Post  1/2A Nut on Sun Jan 22, 2017 11:12 pm

Its fabricated aluminum jacket over the existing cox cylinder thats all.
It will unscrew into 3 parts with a secondary brass sleeve on the inside.
The stock glow plug has had it's fins removed. Owner was having fun
with his lathe.

Here is a close up to help see what was done.

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Re: Viper .049 engine

Post  watertrucker on Sun Jan 22, 2017 11:58 pm

Thanks 1/2 A nut! I found an old post on RCU by a guy that bought one. He said basically the same thing, so it's just cosmetic. Looks cool anyway. I wonder if it will cool properly with that sleeve around the cylinder? Will be interesting to find out.
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Re: Viper .049 engine

Post  Surfer_kris on Mon Jan 23, 2017 8:04 am

Here is another one, I wonder how the intake is/was supposed to work...
Shelf-Queens...?



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Re: Viper .049 engine

Post  1/2A Nut on Mon Jan 23, 2017 8:44 am

"Viper Model Engine Company. This engine is in used condition with new parts incorporated. The engine is a Cox .049 product in running order. The only change to this engine is a newly manufactured fin arrangement, glow plug, and internal muffler, all of which have a patent pending. These engines come in five different colors with only 20 units being made".

http://www.ebay.ca/itm/131971833710?rmvSB=true


Item location:
Colorado Springs, Colorado, United States

Ships to:
United States

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Re: Viper .049 engine

Post  fredvon4 on Mon Jan 23, 2017 11:10 am

OK I have been a sucker for years with modified Cox engines...all of them
(order off top of head)
Bernie's specialty colored high zoot series
Gibeault
Kirn Kraft
Galbreath
Valentine
Mancuso...By the time I heard about these he was absent
Who ever
Even my own Painted Yellow Bumble Bee
Of course we have to mention the Gold Standard for looks and POWER...but not Cox....Shuriken (take a look at ken Cook's avatar)

I now would love to have, but will not pay the price of admission, for one of these VIPER jewels

Early on, I actually bought 3 of Valenti's engines but soon found..he is a butt head...sorry...(call it as I see it) he and I e-mailed a lot, but he was totally against selling me the rotary valve wear parts....always wanted me to send my engines for a rebuild...

I had 3 of his beautiful engines ----but each rear rotary valve is defective (much too soft aluminum) and wears out in as little as three runs... all I wanted as a secure source of replacement parts (I even said I did not care on the cost)...No soap.... he never seemed to understand that I was a competent engine guy in my own right with a fair selection of superb tools

Disgusted, I sold every one of them and never looked back

I love tinkering with all engines and dearly wish I have a good mill and lathe to adapt stuff or invent... the base tool is not the problem...the tooling and skills are

If one of these Vipers makes it into the Engine of the month,,, My votes depends on seeing it run...

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