Hi Perf Russian 10cc at a bargain price! (Full Version)

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Kmot -> Hi Perf Russian 10cc at a bargain price! (2/8/2008 7:24:09 PM)

Disclaimer: I have no affiliation with this business, I just bought an engine and am pleased with the product and price.

In another thread somewhere we were discussing a Russian MAC FIRE 10cc. I found out a biz has them for sale at a bargain price of $39.99!

http://www.hobbyclub.com/product_info.php?cPath=44_75&products_id=291

They come with a lot of spare parts included! What a bargain! They are packed in cosmolene and so will need to be disassembled partially and flushed with solvent. There are numbers on the mounting lug, not sure but may indicate date of manufacture. If so, then these engines I have were made in 1992.

I would grab one while you still have the chance. At this price, it is almost a give-a-way. You get two glow plugs with it, plus many spare gaskets and o-rings.



rmenke -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 7:36:10 PM)


Kmot:

Varley interesting!!! Come on, whats the bottom line. Weight? RPM range? ENJOY Bro 119



Motorboy -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 7:45:07 PM)

quote:

ORIGINAL: Kmot

MAC FIRE 10cc.


The word MAC are wrong wrote, this name is MDS , see at the name at the crank case in last photo: МДС (latin letter: MDS) [;)]

Same wrong word in their website Hobby Club, there are wrote MAC and Ustkam, it will be MDS and Tstkam (МДС and Цcткам)
I has Tstkam 2.5 cc with tuned pipe for U/C speed plane..

It is much for money, really cheap for a new engine with all spare parts...[:D]


Edited some wrong in text..



rainedave -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 8:09:15 PM)

That's cool. Will a Rossi header (O-ring header) fit it?

David



daven -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 8:19:01 PM)

I picked one up also, I have no idea what I'm going to use it for, but had to have one. looks fast standing still.

What kind of pipe do you intend to use with it?

I'm thinking a scratch built speed design.



Flyboy Dave -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 10:08:21 PM)

....yeah....'sup with the pipe ?



jaka -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 10:15:11 PM)

Hi!
Bargain??
It's an old MDS engine...before MDS made fairly good engines!
Just made for the scrapheap I'm afraid.
Have had several of those 15 years ago. No good! Sorry.



asmund -> RE: Hi Perf Russian 10cc at a bargain price! (2/8/2008 10:44:58 PM)

I checked out their web site and it seems as also the MVVS engines are from past times, they look nothing like todays MVVS engines.



Kmot -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 12:27:51 AM)


quote:

ORIGINAL: jaka

Hi!
Bargain??
It's an old MDS engine...before MDS made fairly good engines!
Just made for the scrapheap I'm afraid.
Have had several of those 15 years ago. No good! Sorry.


I know people have given MDS a bad rep but I think it may be due to trying to run them on too high a nitro percent? Hell, for $40 bucks it makes a nice paperweight if nothing else. :p

For myself anyway, I never met an engine I could not make run right.

Anyway, I don't know what to do about the tuned pipe. Perhaps a MAC unit can be adapted.

jaka: Have a look at this "MDS" :D



w8ye -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 12:35:55 AM)

http://www.macspro.com/accessories.asp



Kmot -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 12:49:50 AM)

It looks like either a MAC's or Rossi pipe would work. Might have to change the header adapter to an exteranl o-ring type.

http://shop.vendio.com/RossiEnginesUSA/item/965174466/index.html



Razor-RCU -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 1:12:19 AM)

Good find Tom!

Let us know how she does...I have no doubt that you will get 'er running right.



Kmot -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 2:49:49 AM)

Thanks James! You will most likely see it out at Rabbit one day. ;)



XJet -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 4:45:03 AM)

How strange -- I went to the website referenced in the first post and saw the engine for what was (I'm sure) $39.95 and put one in my shopping cart. After being distracted by a phone call I went back to the computer and saw my cart had emptied itself (timed out I suspect) so went back to the product page and now it says $49.95.

What gives there eh?

I'd take a punt at $39.95 and probably buy another $100 or so worth of stuff to make the order worthwhile but I feel like I'm being ripped off when the price suddenly jumps by $10 in a matter of minutes.



rainedave -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 4:58:31 AM)

I hope they don't sell another one for doing that. That's tacky.

David



Flyboy Dave -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 5:05:38 AM)

....yep, they went up 10 bucks. I don't blame them for trying to make a few extra bucks
on the last remaining engines.

Those MDS engines run good, but the metalurgy leaves a little to be desired. Usually
the rods fatigue and break when you run the snot out of them. I think it might be a good
idea to pull them down and sandblast (or glass bead) the rods real good to stress relieve them....

....it couldn't hurt. [;)]

FBD. [:D]



Kmot -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 6:40:00 AM)

That is unfortunate about the price increase. [:(]

Okay fella's, here is what this engine is all about. I tore it apart tonight to see 'what makes it tick'.
It is a true ABC engine.
Has a real nice cylinder with a bifurcated intake port and two boost ports. The crankcase is also bifurcated to match.
The piston is cast and then machined. The piston pin is held in with spring circlips.
Rod is bar stock, and bushed at least at the big end. The bushing is grooved for oil circulation.
The head is a hemi.
The crankshaft is micro polished very nicely. There is a number engraved on the counterweight. Possibly a production number.
The ball bearings are open at both front as well as rear.
The screw spacing on the exhaust port is 34mm.
The exhaust port on the engine case is roughly 9x22mm.
All external surfaces have a nice bead blast finish on them.

This thing is beautiful! [sm=thumbup.gif]



XJet -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 8:44:28 AM)


quote:

ORIGINAL: Kmot

That is unfortunate about the price increase. [:(]

Ah well, their loss... I was just getting ready to load up my shopping cart with almost $200 worth of other stuff when I noticed the engine had disappeared and went to re-load it.

There are plenty of places that sell model stuff on the Net and don't hike the price while you're on the phone so I'll buy the other stuff elsewhere and skip the engine. It might have been interesting to try this engine instead of the TT61 I blew the other day but I'll just order another TT instead.




daven -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 1:05:09 PM)

Why does it look like the Con Rod has threads on it where it connects to the Crank?



Flyboy Dave -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 1:47:48 PM)

....tiny oil retention grooves for high speed. [;)] That engine looks pretty darned nice, but
like I said....you might do well to glass bead the rod (stress relief). [;)]

FBD. [:D]



blw -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 3:34:12 PM)

Sandblasting would be too brutal. If using a 'sand' medium, ask for sandtexting instead. You need someone who has experience with this.



Flyboy Dave -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 3:56:48 PM)

....I've been blasting rods for about 40 years. Sand or glass works fine, thanks. In
fact, I bought a new machine a few years ago. Sand blasting is one of the best, if not
the best methods of stress relief. Sand blasting is usually a one blast affair, done on
the cheap. Glass beads are used in a Hydro Hone machine like we had at the shop, and
the glass beads last a very long time. We blasted all our rods in our racing two
stroke engines.

Apparently you are unfamiliar with sand blasting. I can adjust the air pressure
and distance from the nozzle to the part to get the result I want.....no worries. [;)]

FBD. [:D]
(Edit-darned spulling [8|])



blw -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 4:03:24 PM)

Dave,

Sorry, but you are wrong here. I've also sandblasted for years and not just on engines. I've used quite a few industrial systems. To use the generic term 'sandblasting' is very misleading as there are forms of the process. Sandtexting is a more gentle way of altering the surface of metals. If you have even seen a silky finish on metals such as rifle receivers, then you have seen sand texting. You also have to know your sands or other abrasives.

Adjusting pressure and distance is a hit or miss affair when not using the right nozzles or materials. I prefer to do it the right way with the right equipment. Sometimes, it isn't 'on the cheap'.



Flyboy Dave -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 4:48:52 PM)

No, I'm not wrong Barry. Why are you trying to discredit my methods ?
Yes, sand blasting is a generic term. It could be glass beading (the beads
made from sand) or it could be "shot-peening"....same thing, different material,
or it could be "sand" blasting....using (typically) store bought silica sand that
is cheap....or regular sand box sand, that is really cheap. Sand box sand is
washed, sized, and is perfectly fine for a home user to "sand blast" with.

Since I am retired I don't have access to the industrial machine we had at the shop,
so I have my own small "sand blaster", and it works just fine, thank you.

I prefer to use the more expensive glass beads, but that is just personal preference
because they are a one use material in my application. Besides, the silica sand is not
to be breathed....and I have pets around that I am mindful of. I have a friend that uses
regular Mojave Desert sand (where I live)....we don't have dirt, just sand. He sifts it through
a regular window screen, blows the dust off, and uses it in his "sand blaster"....yep, works just fine.

Now, that's cheap. [:)]

quote:

blw:
I prefer to do it the right way with the right equipment. Sometimes, it isn't 'on the cheap'.


Do you have a home "sand blaster", Barry ? My comments and techniques are to assist modelers
at home....in the garage. It's nice to talk about fancy industrial equipment, but it doesn't do a
home modeler much good does it ?


FBD. [:D]



Flyboy Dave -> RE: Hi Perf Russian 10cc at a bargain price! (2/9/2008 5:02:53 PM)

.....oh, and by the way....

...."Sandtexting" is what you do to frost rifle receivers, etc. It lightly frosts the metal with very small pits.

Sand texting is done to enhance the appearance of metals, Glass beading and shot peening are
done to relieve surfaces stresses....not to make the material look better.

But thanks for the info anyway. [;)]

FBD. [:D]




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