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New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 2:01 PM   
corvettez06


 

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From: Morton, IL, USA
Status: offline 		I think I will have to buy planes so I can get these engines!!  I am fired up about these!

http://www.horizonhobby.com/products/15gx-15cc-91-cu-in-gas-engine-EVOE15GX
http://www.horizonhobby.com/products/20gx-20cc-1-20-cu-in-gas-engine-EVOE20GX
http://www.horizonhobby.com/products/33gx-33cc-2-00-cu-in-gas-engine-EVOE33GX



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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 2:51 PM   
spaceworm


 

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Status: offline 		I have several Evolution glow engines and like them very much. Do the gas engines have bushings in the con rod ends? What percent oil do they need in the gas mix? What is the current draw on their ECDIU?

Thanks.

Richard/SAITO Club #635

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 3:58 PM   
Mikola


 

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Status: offline 		why glow carbs for 15GX and 20GX ?


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:01 PM   
Pete Bergstrom


 

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quote:

ORIGINAL: spaceworm

I have several Evolution glow engines and like them very much. Do the gas engines have bushings in the con rod ends? What percent oil do they need in the gas mix? What is the current draw on their ECDIU?




Thanks.

Richard/SAITO Club #635


All the engines have needle bearings on the bottom of the conrods. The 15,20 & 33cc need 25:1 oil for break-in and then can go to 32:1 after that. The ignition draws about 450 may at wide open throttle. Any battery between 4.8 and 8.4 volt is usable without any regulator (2S LiPo ready)

Pete


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:05 PM   
corvettez06


 

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Status: offline 		Pete,

What are the dimensions from the crank centerline to the top of the spark plug cap for all three engines?  I wish these dimensions were given in the manual.  Also, on the 33, what is the overal length from firewall to prop hub?

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:11 PM   
David Eichstedt


 

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Status: offline 		Please have some patience on getting questions answered over the next few days. Pete is in Toledo setting up the booth as I type this.

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:20 PM   
spaceworm


 

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Status: offline 		Are the wrist pin ends bushed?

Thanks

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:21 PM   
jspauld2


 

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Status: offline 		Yes, the wrist pins all have bushed bearing surfaces.

Thanks,
Jimmy

quote:

ORIGINAL: spaceworm

Are the wrist pin ends bushed?

Thanks



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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:38 PM   
MTK



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quote:

ORIGINAL: Pete Bergstrom

All the engines have needle bearings on the bottom of the conrods. The 15,20 & 33cc need 25:1 oil for break-in and then can go to 32:1 after that. The ignition draws about 450 may at wide open throttle. Any battery between 4.8 and 8.4 volt is usable without any regulator (2S LiPo ready)

Pete



I looked at their 33cc...a handsome engine with its blue head. Engineering specs is where it's at tho. Bore and stroke are very similar to the DLE35RA and PTE36R.

It's rather interesting that the engine has both mounting side lugs for bearer mounting and rear lugs for stand off mounting. That's one reason the engine is heavier than others in this class, at least 4 ozs heavier.

I really like the one nut prop mount like glow engines which the SAP180HP and OS GT33 also use. No more screwey screws...a great thing in my view. The price is pretty good too.

It will be interesting to hear how this one works out for people....


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 4:51 PM   
jspauld2


 

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The heights are as follows:

From C/L to top of plug cap:
15cc: 102mm
20cc: 109mm
33cc: 126mm

Use these as a guideline, if you need a more detailed (within 1/2mm estimate) please PM me.

Thanks,
Jimmy


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 5:23 PM   
DadsToysBG



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Status: offline 		It seems that all of the engine companies are shifting their lines to gas. We're seeing the end of glow just like the 72 to 2.4

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 5:48 PM   
tkg


 

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You mentioned in the 10cc posts that you flew the 10cc engine in the Saratoga during development and it was an excellent match. Would the 15cc liven up the Meridan with out breaking things.
Sent from Riverton Wy 5000 ft

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 6:08 PM   
Pete Bergstrom


 

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quote:

ORIGINAL: tkg

Pete
You mentioned in the 10cc posts that you flew the 10cc engine in the Saratoga during development and it was an excellent match. Would the 15cc liven up the Meridan with out breaking things.
Sent from Riverton Wy 5000 ft


Yes there is plenty of room to mount the 15cc in a Meridian. 

Pete



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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/4/2013 8:45 PM   
panhndl


 

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Status: offline 		I've ordered 2 15's for my 50 size Corsair and P-40 already! Must resist the P-51 and the 10 combo for now. Hoping for an Axis plane for a little variety.

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/6/2013 9:07 AM   
Evgeny-arm


 

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Status: offline 		Vauu - it is a heavy metal ......
Where are you able to gain so much weight?
Evo-15 is almost as fine Webra91-P5i has weight.
But the Evo-20 is to be honest feeling the weight of culture.
If we compare with competitor DLE-20 - it has a heavy carb weight 120 grams.
Very heavy crankshaft with huge and heavy bearings.
In all logic, your engine would be lighter by at least 50-80 grams.
You have easy ignition.
And you were able to make such a heavy thing.
A silencer - it sticks out a canister above the spark plugs.
This muffler disfigure any model.
A copy of the model in general is not even thinking to put the engine with the muffler.
I thought the experience EVO-10 (also 40NX, 60NX) that Evolution has emphasized the creation of light, compact and powerful engines.
It is sad, but for yourself as long as products of Evolution I see only three engine Evo-40NX, Evo-60NX, Evo-10GX

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/6/2013 12:27 PM   
Lightspeed1551


 

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Status: offline 		I really regret buying that CRRC For my .90 size 3D plane.
I have been serching for a good replacement since that 20cc Saito turned out to be non running POS.


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/6/2013 1:22 PM   
Lifer


 

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Status: offline 		Ditto on the CRRC. I've got mine running but it was mis-timed, the ignition unit failed, and it's heavy and low on power. Live and learn.

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/6/2013 5:39 PM   
Lightspeed1551


 

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Status: offline 		I wonder if they are going to be as unpopular as the front carb OS GT 55.


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/6/2013 7:05 PM   
dwreel



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Status: offline 		Price point will make a huge difference.


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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/6/2013 7:17 PM   
Evgeny-arm


 

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From: Krasnoyarsk, RUSSIA
Status: offline 		I was looking forward to new products from © Horizon Hobby.
Having experience with a successful engine honest expected more.
I had the choice to buy a new engine.
And while I decided what to buy - gone cool engine sales Evolution-26. He had two drawbacks - very expensive, and often a combustible ignition.
But this engine mended much power ........
The second engine which was an alternative - Moki Mark G140.
New items are not inspired me.
I postponed buying Moki, as expected appearance of new products.
But the fact of what I saw - I was pleased with nothing.

Now I compared the weight of their Webra91 - 730 grams with the ignition.
I made a mistake in the last message - carb DLE-20 weight - 97 grams.
Weight crankshaft DLE 20 - 126 grams.
Two bearings - 35gramm.
The connecting rod 16 grams
How could gain so much weight in the EVO-20?
-
On models with engines of 15-20сm3 save every gram, because the deficit traction feel constantly.
And here is a waste.
So for the moment Moki G140 is the best option that I can see.
Evolution could not make a competing engine in volume 20-23сm3.
-
If DLE-20 does not have a problem with the crankshaft - it would be an ideal engine.
With him I can get more power than stated in EVO-20 (After minor improvements).

So I have this conclusion.
1) among 15cm3 - better Webra I found nothing.
2) among 20cm3 - better DLE-20 until alernativy not (and all you have to do on the engine weight as DLE-20 and make a really cultural muffler and not tie that came to hand).
3) among 26cm3 - Evolution was the best 26 but it was removed from the market (may be able to find more MVVS-26)
-
A happy medium for me it MokiG140 since my tasks DLE-20 a bit weak and it has no reliability.
He is the best so far among 23cm3 engines and power offsets the weight.

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/8/2013 2:00 PM   
TimBle


 

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Status: offline 		I suspect the MVVS IFS 30 will kick the Evolution 33 into touch in the power game

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/13/2013 4:50 AM   
ChriCYWG


 

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Status: offline 		I have several of the H9 warbirds that need building.. Spit, Hellcat, and Thunderbolt... Im thinking the 20cc would be the correct choice??

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/13/2013 4:51 AM   
ChriCYWG


 

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Status: offline 		Does anyone happen to know the width of the muffler on the 33cc motor?? Im going to be starting my rascal 110 shortly, and this caught my attention... either that or Syssa 30cc.. Im looking to not hack the cowl if necessary, and I know the syssa fits perfect...

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/13/2013 3:21 PM   
David Eichstedt


 

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quote:

ORIGINAL: ChriCYWG

I have several of the H9 warbirds that need building.. Spit, Hellcat, and Thunderbolt... Im thinking the 20cc would be the correct choice??


For the Spit and the Thunderbolt, the 15GX would probably be better. You might look at the 20GX for the Hellcat, but I'm sure the 15 would fly it nicely, too.

I prefer better-than-scale power in warbirds because I think it's more fun; however, in recent years I've started to balance that element with keeping the airplane light. This is why I'd look at the 15 first for these airplanes.

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RE: New Evolution Engines!! 15GX, 20GX, 33GX - 4/13/2013 3:33 PM   
spaceworm


 

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Status: offline 		Another question, still Evolution, but not gasoline: I have the .61NT, and like it a lot. However, will a .61NX head work on it to make the engine a .61NX? Comparing the parts lists for the two engines it seems the head is only one with a different part number. The NX head is higher compression, right? Still use the same plug and fuel? Thanks.

Richard/Club Saito #635, Saito .100, .120. 130T, 180/Evolution .36, .46, .61

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All Forums >> Glow Engines, Gas Engines, Fuel &amp; Mfg Support Forums >> Gas Engines >> New Evolution Engines!! 15GX, 20GX, 33GX
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