Evolution 58
 

I just ordered a evo 58 and am curious what drill guide it uses? 3W, ZDZ, DA, or another. also any ideas on breakin prop and a good 3D prop.

RE: Evolution 58
 

It has the same pattern as a ZDZ 40-60. You can get a drill jig from RC Showcase. I'm using a 24x10 on mine which should be good for 3D and breaking it in. It also depends on what kind of muffler set up you have.

RE: Evolution 58
 

The engine comes with a dril jig. It is the prop pressure plate and the second distance plate. What more do you need?

RE: Evolution 58
 

If you don't use the second distance plate, will it mess anything up?

RE: Evolution 58
 

I have not received it yet...forgive my ignorance. horizon does not give allot of info about it on-line and I probably wont use the parts that come with the engine I'm a little nervous about drilling through them and then using them on my plane, and I already have a drill jig for a ZDZ. I ordered a bisson pitts muffler for it, I almost ordered the can but I didn't want to add any more weight than necessary.

RE: Evolution 58
 

The extra power you'll get from using the can vs. the Bisson will more than offset the extra weight.

RE: Evolution 58
 

The second plate can be used as distance plate to move the prop 5mm further away from the engine. The pressure surface is smaller without it, so in wooden props the prop driver leaves a clear indentation on (in?) the prop hub.
This need not be bad, as it serves to secure the prop to the hub in torsion, and thus relieves the M5 bolts of any bending stresses.

RE: Evolution 58
 

Well, I have a spinner on my plane, so my prop isn't against the prop driver. I didn't think it wouldn't hurt anything, but I just wanted to be sure before a major failure. Thanks preivers.

RE: Evolution 58
 

hey grey hound man,

i have used a 3w 24 x 10 wooden prop and found it to be a good size for this engine!

i use a da 100 drill jig and it is worth its weight in gold. it takes about 90 seconds to do a prop and fits perfectly everytime.

i have never had a problem with my 58 and for a single it isnt that vibey.


good luck with your engine and i hope it serves you like mine has.


aerowiz

RE: Evolution 58
 

Greyhound,


This engine is an MVVS 58 cc, produced by MVVS for Horizon Hobbies, to be marketed under the EVO name-plate.

I market MVVS in my country and another dealer does the same for EVO.

I am told the EVO uses the single magnet ignition, where the MVVS uses the newer dual-magnet unit, but I have not yet seen one, so I cannot be sure.

RE: Evolution 58
 

The Evolution has dual magnet. There are two little round magnets opposite of each other on the prop drive shaft.

RE: Evolution 58
 

Thank you, Ben, for clearing this up.

I get some dis-information sometimes.

RE: Evolution 58
 

Yeah, I hear about all these things that are apparently different between the two, but a lot of the stuff that would matter performance wise is false. The reason why I bought an Evolution instead of an MVVS is price. The MVVS I would have to get from Canada which means I'd be charged a fee for the exchange rate on my credit card. Plus it was easier since the guy I bought the plane from carried the Evolution motor.

RE: Evolution 58
 

Ben,


Horizon/EVO apparently does not carry (an equivalent of) the MVVS #3204 canister silencer + #3202/P/B headers, which are the best exhaust systems for this engine. You will have to get them from an MVVS dealer, or performance (not only) will not be the same.

I see this in Israel quite frequently.... People buying the EVO for a few bucks less and then coming to me for the good, long-life exhaust system, to replace the 'break-off', power-robbing, junk exhaust they got with it...

RE: Evolution 58
 

Which piece of dreck would that be?
.
It would not be a muffler from Czech mfgr ?

RE: Evolution 58
 

Dick,


It is not a 'country of origin' issue. The MVVS #3204 canister silencer + #3202/P/B headers were 'designed' for this engine.

MVVS also make a header to use the JMB 80 muffler, which is acceptable for this engine.
It is mufflers made for engines of similar 'displacement' and 'adapted' to fit the MVVS 58 cc that rob power.

It is bad initial design that causes breakage from vibration...

And those 'impostors' are definitely dreck. I will find a name, or two.

RE: Evolution 58
 

whats this from Horizon?

RE: Evolution 58
 

And this from an Mvvs dealer looks the same?

RE: Evolution 58
 

Well, there's a learning curve...

When the EVOs were introduced, the MVVS muffler was not available from Horizon...

RE: Evolution 58
 

hehe..sorry I noticed that the other day, Now I didnt say they have them yet and I havent asked them a technical question!

RE: Evolution 58
 

Let's cut through the BS
The Evolution (not EVO) is made at the facility where MVVS products are made .
To pretend otherwise is just silly.
Horizon however is the interface/market arm for the Evolution brand.
That is the real difference .
This type merchandising is so common that many do not even realize their cherished new automobile is likely not even engineered by the basic brand name group- -- many Fords are basically Volvos and Mazdas.
The GeoPrizm was a Toyota thru and thru
The poor mufflers referred to- are likely made in North America. This is a very sad state of affairs -in my book - because these mufflers are for the North American market and should be the best adaptation ,not the worst.
Some of the muffler guys are really busting their balls to make a product which will do the job in the best (although power compromised) method.
Some tho --------are really. POS .
My own choice is for best power setup and I adapt the engine muffler to the airframe
I used to stuff Chevs in Austin Healeys . That took some planning . this stuff is really very simple. I am amazed at the reluctance to adapt even the most simple devices.

RE: Evolution 58
 

guys,

i get 6500 rpms with a 3w prop 24 x 10 and a modified da 50 slimline muffler which is compact and robust. the modification took ten minutes after i had one hole tig welded. the slimline cost me 89 dollars yank and i am glad i went down this route. i 've had so much trouble free flying with this setup i feel like im ripping someone off.


manifolds, springs, adaptors and cans add to the complextiy and are something else to go wrong. plus they add weight.

i bought the evo because when i wanted to buy an mvvs 58 they were out of stock. i 've had excellent service with horizon as well.


aerowiz

RE: Evolution 58
 

It seems there is now a new version of the MVVS 58 out called the "PROsport".

new MVVS 58 IRS PROsport
based on the 58 IRS above - but adding new features;
* heavy duty bearings
* titanium prop shaft/bolt
* redesigned crankshaft, internal 'liner'
porting and piston
* compact carb trumpet

boosting performance to an amazing 8BHP (@ 6000 rpm)

RE: Evolution 58
 

It has been there for quite a while.
The listing of differences is not complete, so have a look at [link=http://mvvs.nl/MVVS/main_bestanden/petrol.htm]http://mvvs.nl/MVVS/main_bestanden/petrol.htm[/link]

RE: Evolution 58
 

So what weight is the PROsport? Are they going to make a 58 with a magnesium crankcase?

A

RE: Evolution 58
 

Hi,

58 is not in magnesium crankcase, only 45.

RE: Evolution 58
 

Same weight as the 58 IRS 1820 grams + 165 grams for ignition.
No info on Mag case.

RE: Evolution 58
 

Do you guys recommend using the supplied break in oil or using lawnboy ashless, mobil xtr2 ?, or amsoil dominator, pennsoil air cooled......the list continues. What about preferences after break in?

RE: Evolution 58
 

Greyhound,


MVVS included the oil with the engine, to facilitate your break-in.

By all means, do use that oil and after your are done with the break-in, use high quality, racing two-cycle oil.

RE: Evolution 58
 

The engine comes with the Mobil 1 MX2T. I'm using it from the beginning, but others are using the pennzoil.

RE: Evolution 58
 

Peensoil is fine --except it does gradually carbon things and does not prevent piston scratches as well as the Mobil .

RE: Evolution 58
 

Wait...
TOm from wildhare rc told me NOT to run the stock oil that came with the engine! Intead he said I should use Penzoil Air Cool 2-stroke oil for break-in and flying?[&:]

RE: Evolution 58
 

Hey Mvvs says use 2cycle racing synthetic ( even gives you some) and theres plenty to choose from at 32-40:1 so ignore the manufacturer and use a semi synthetic. I take it Tom will warranty it when it has a problem?:)

RE: Evolution 58
 

I'm getting ready to start breaking it in any last great words of advice?...OH and this is the first new gasser for me and first time breaking one in, all my others were already used.

RE: Evolution 58
 

a friend of mine just got one of these engines.

but we have a question, there are 3 fuel lines on the carb and one in the crankcase.

i figured one was the carb pressure line and one is the feed line, but whats the third one for?? and how do we make sure which one is which??

also, is the crankcase line a pressure line or a crankcase vent line??

thanks
tony

RE: Evolution 58
 

no one has one of these??

tony

RE: Evolution 58
 

the inlet closest to the sparkplug is the ambient air press line. it is open to atmosphere. i use a piece of tubing back to the fuselage and seems to work well.


aerowiz

RE: Evolution 58
 

the crankcase line is the pulse out to the carb to make it pump connect it to the carb.
As said above for the 90o fitting which is on the plate with 4 screws.
3rd is for fuel which on mine is the only one on the side of the carb.

RE: Evolution 58
 

Tony, Andy,


The third nipple is placed on the 'float chamber' diaphragm cover and should supply atmospheric pressure.
Nothing needs to be connected to it.

The black nipple is the fuel inlet and is to be connected to the fuel tank line.

The pump diaphragm nipple is closest to the crankcase pulse nipple and should be connected to it, for the carburettor's pump to operate.

RE: Evolution 58
 

thanks for the answers guys!!

tony