Glow Engines Discuss RC glow engines

Mystery engine, Rossi 60?

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Old 07-06-2013, 03:13 PM
  #1
Johnstarkey
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Default Mystery engine, Rossi 60?

Hello,

I collect old 10 cc racing engines and have just bought the engine shown. The only markings on it are beneath the mounting lugs. On the right is stamped "R 10" (Rossi-10cc?)On the left, "1" (Perhaps the only engine built?)

It is of classic rear (large!) air/fuel intake, twin ball bearing supported crankshaft and offset glow plug. It also has a "bulge" bypass in the style of a Dooling 61. The exhaust stack and lugs have been shaved for use in a speed pan, I should think.

It has a sandcast crankase and twin ringed piston. Can anyone identify it please?

John Starkey
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Old 07-08-2013, 06:10 AM
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Default RE: Mystery engine, Rossi 60?

It dont look like the Rossi 60 Iused to have.
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Old 07-08-2013, 05:42 PM
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Default RE: Mystery engine, Rossi 60?

Russian copy of a Dooling. Perhaps Raduga?
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Old 07-08-2013, 06:29 PM
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Default RE: Mystery engine, Rossi 60?

I would have to agree, it looks like something the Russians would have made way back then.
It sort of looks like the Rossi on the right side but on the left it looks like the Dooling.

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Old 07-08-2013, 09:11 PM
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Default RE: Mystery engine, Rossi 60?

As crudely done as it is it just has to be Russian.
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Old 07-09-2013, 08:57 PM
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Default RE: Mystery engine, Rossi 60?

Maybe it's an MVVS, look at here for comparsion:

http://modelenginenews.org/ad/mvvs.html



Regards,

Holm
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Old 07-10-2013, 12:34 AM
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Default RE: Mystery engine, Rossi 60?

I would nearly agree Holm, but the engine originally posted does not appear to be as nicely finished as the MVVS.

The mystery engines' prop driver has a more "Oliver" like profile than the driver on the MVVS, and intakes are different.

I think the MVVS you have shown is also 5 cc displacement.

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Old 07-10-2013, 01:20 AM
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Default RE: Mystery engine, Rossi 60?

If it is an MVVS or similar Czech made engine, the prop drive most likely would have parallel grooves on the face
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Old 07-10-2013, 02:48 AM
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Default RE: Mystery engine, Rossi 60?

@74seven7:
..no. Not on those very old engines like the one above.
I do have the 2.5ccm Diesel from this Picture:



and three are no parallel grooves on the prop driver.
@fiery:
MVVS experimented a lot with different Intake mechanisms, for now
I don't know any mebrane type but all others in different forms :-)

For the overall finish look here:



..there are differences and some roughness is possible if it is a really old engine.

Last but not least: I don't know butI think it is an MVVS.
Maybe the TO can provide more pictures?
Never saw a russian engine with that kind of bulge.
I have other older russian Engines ("Polet")
that are .29, they are looking totally different.

Another occurence on the net

http://www.old-engine-model.com/en/185.mvvs-26-59/

or this:

http://www.old-engine-model.com/en/618.mvvs-5-6-a/


Holm
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Old 07-10-2013, 03:34 AM
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Default RE: Mystery engine, Rossi 60?

That is a good point Tiffitech, it could be a early MVVS engine. So it could be Russian or MVVS, but during the time period the engine was probably made had it behind the iron curtain though. So information would be hard to come by for it.

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Old 07-10-2013, 08:18 AM
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Default RE: Mystery engine, Rossi 60?

Yes, I think this is a very early MVVS.
Next I want to mention, that sand casting and therefore the raw finish isn't a sign of poor quality in my eyes,
mostly it is a sign of a low volume production. The mvvs-26-59 on the link for example had a production run
of 16 (sixteen!) peaces only.

Regards,

Holm
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Old 07-11-2013, 05:51 AM
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Default RE: Mystery engine, Rossi 60?

Low production would mean high value for a colletors engine. If you can validate the make and year.
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Old 07-16-2013, 10:02 AM
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Default RE: Mystery engine, Rossi 60?

Hi everyone,

Correct, it's an MVVS from 1958. I had this reply from Liri Linka in Czech Republic:

"It is very nice and RARE Czech engine from production MVVS Brno. This
engine is typ MVVS 10R from 1958 Year, made in limited edition for czech
representatives in control line models."

Thanks for all the input!

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