Evolution 46  
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Slimline Pitts Muffler for YS120 YS140
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Evolution 46 - 11/14/2002 11:21:27 AM   
w8ye



Posts: 17307
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		They are distributed by Horizon Hobby. I was looking at a new one at the LHS. It looks impressive enough. Both needles are on the arm side of the carb(This is wrong. See another post down below w8ye ). The High speed needle has stops on it. You can move it probably 80 degrees. The low speed needle looks like most current engines low speed needle but the high speed is a disk like the low speed on a Perry carb.

It was or appeared to be ABC.

I looked underneath the lugs and there it said "Made In China" in the same type face used by The South Aero Engine Company in Human, China. Read that as Magnum/ASP/SC/SY.

Enjoy,

Jim

< Message edited by w8ye -- Nov 14 2002 7:26PM >

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evo 46 - 11/14/2002 7:49:40 PM   
jettstarblue



Posts: 3199
Joined: 10/5/2002
From: Ashtabula county, OH, USA
Status: offline 		Is this the same one as on the hangar 9 trainer?(alpha) I'd like to say good engine, LOTS of power, and a E-Z handler. I bought one of the Alpha trainers to train the "newbies" on, and had nothing but good to say on the whole set up! Starts with one backflip of the spinner.-The muffler is[SIZE=3] VERY[/SIZE] restricted, and the carb is a little different than the one you describe. Works great though.


Jetts

< Message edited by jettstarblue -- Nov 14 2002 2:57PM >

(in reply to w8ye)
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Evolution 46 - 11/14/2002 8:36:18 PM   
w8ye



Posts: 17307
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		I forgot to put that in there but it has the Alpha symbol on the right and left side of the head. It's the same engine that is in the Hanger 9 Trainer.

Jim

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Attended the CutFinger Institute of DirtNap University for years but never did graduate....

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Original AMA #31261

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evo - 11/14/2002 9:33:21 PM   
jettstarblue



Posts: 3199
Joined: 10/5/2002
From: Ashtabula county, OH, USA
Status: offline 		Thanks, Jim.
I may trade the evo for the magnum52 I have on my aresti 40.
Put the 4 stroke on the trainer for them to play with. If I do I'll take the muffler off, and look in there. Seems like an ABC/ABN-tight at the top. Like I said the muffler has a baffle plate that has 8 holes partialy punched through, I opened them up a little, and it didn't get any louder, although it should increase the power by about 25% if I take it out! The present holes are about 5% of the total area of the plate, and maybe add up to 50% of the muffler outlet area.
Anyone have any time on one of these- I have a couple of hours of run time on mine. Good engine, just wonder how it would be to remove the flywheel, and baffle and let 'er rip!

Jetts

(in reply to w8ye)
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Evolution 46 - 11/14/2002 11:33:42 PM   
f2racer



Posts: 1167
Joined: 12/7/2001
From: Bedford, MA, USA
Status: offline 		Is this the engine that comes with the H9 Alpha? So it's a 46. Does it come with the 3 blad prop? Is it a BB engine or a brushing? I'd like to find out some more info in regards to it's performance compared to one of the tried and true 46s out there (TT Pro-46 or OS 46FX).

Thanks!

(in reply to w8ye)
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Alpha Engine - 11/14/2002 11:58:40 PM   
jettstarblue



Posts: 3199
Joined: 10/5/2002
From: Ashtabula county, OH, USA
Status: offline 		f2R,

Yes, that one. It comes w/ the three bladed pro on the trainer, but I don't know if it comes with a prop at the HS, or for that matter if it comes with the flywheel. From the looks of the case, it appears to be a B.B. engine, but you know what they say about looks.
As I said, I may take it off the Trainer, and trade it with the eng. on my Aresti- if I do I'll take it apart and let you know. Might be a better idea to get a hold of H9 and ask the hard questions to them, I have been known to procrastinate
I will say it has a fairly large intake, and until I heard it was a .46, I wasn't sure it wasn't a .51 or .53! I know it's a bit strange given the amount of time I've been in the hobby (15 yrs.) but I don't have a tach, that being said, I will say this thing turns an 11X6 with great gusto!

Jetts

(in reply to w8ye)
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Evolution Alpha - 11/15/2002 12:05:14 AM   
w8ye



Posts: 17307
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		You're making me wonder now but I remember it as saying .46 on the engine box.

It also appeared to be BB. It had the tight kick at the top of the compression stroke. There was a 3 blade prop and flywheel in the engine box. The exhaust port in the sleeve seemed to be generous in size.

If anyone is interested and close enough to the store, they had it at the Capstone Hobby Shop in Columbus (Westerville), Ohio. They also had an Alpha RTF Trainer w/engine, etc in stock.

Jim

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Original AMA #31261

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Evolution 46 - 11/15/2002 12:19:23 AM   
w8ye



Posts: 17307
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		http://www.horizonhobby.com/shared/techinfo/evoe100-manual.pdf

I found the manual on the Horizon web site and it says it is .455 c.i. and in the parts section, it list the front and rear Ball Bearings. I was wrong about the needle valves. The low speed is the only one on the throttle arm side of the carb. It has a disk on it that restricts the adjustment range.

In the manual, they show the high speed as being remote on the rear in the usual location and it appears to have a disk on it. I didn't notice this when looking at the engine.

Jim

_____________________________

Attended the CutFinger Institute of DirtNap University for years but never did graduate....

Club Saito Member #7
Original AMA #31261

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Evo - 11/15/2002 12:27:13 AM   
jettstarblue



Posts: 3199
Joined: 10/5/2002
From: Ashtabula county, OH, USA
Status: offline 		Jim,

That's the one. I said "heard it was a .46" because when I first got it, The Man at the HS said that "Hangar 9 wouldn't say for sure but was between a 46 and 50"!
So much for "the secret"
Thanks for the info!!

Jetts

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       Post #: 9

Evolution 46 - 11/15/2002 6:31:41 PM   
f2racer



Posts: 1167
Joined: 12/7/2001
From: Bedford, MA, USA
Status: offline 		Interesting I wonder how it performs against the standard 46s out there?

(in reply to w8ye)
       Post #: 10

Engine comparison ... ? - 12/14/2002 4:24:50 AM   
IMCub


 

Posts: 85
Joined: 12/5/2002
From: Corvallis, OR, USA
Status: offline 		Hi All,

I have one of those Hangar 9's with the evolution .45 on it. The people who saw if fly the first few flights weren't all that impressed with it. After I broke the three blade prop making my first landing, (I walked away unharmed, so it was a good landing), I put on a two blade 10x6. Everyone who sees/hears it fly now is pretty impressed? It's a much happier plane.

When you buy the engine alone it does come with the three blade prop (too bad), the fly wheel, and the spinner. If you buy the engine, I would think you would want to toss the 3-blade and keep the flywhee. It allows it to idle VERY slowly. Deadstick landings practice without the dead stick! No real deadsticks after about a gallon and a half, except for running out of fuel.

I bought a WM Super Sports 40 with a TT .46 Pro on it and I've been think of swapping engines to satisfy my own curiousity.

What kind of comparision would you like to see? Subjective on the performance? I'm sure I can find someone to put my SS40 thru its paces with it mounted. Time to climb? Static thrust for the same prop(s)? ???

Let me know, I'm open for suggestions...

Cheers!

Cub

(in reply to w8ye)
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IMCUB - 12/14/2002 9:16:08 AM   
rkrig


 

Posts: 118
Joined: 2/7/2002
From: somerset, WI, USA
Status: offline 		Some tach readings would be nice. Thanks.

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Evolution 46 - 12/14/2002 10:36:36 AM   
IMCub


 

Posts: 85
Joined: 12/5/2002
From: Corvallis, OR, USA
Status: offline 		Oh yeah ... two motors, a couple props, tach readings ... what could be simpler!

Oh yeah, first I have to go get a tachometer...

... any suggestions?

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       Post #: 13

IMCUB - 12/14/2002 7:06:49 PM   
rkrig


 

Posts: 118
Joined: 2/7/2002
From: somerset, WI, USA
Status: offline 		Usually can find a couple for sale in the "small stuff under $30" section on this forum. most can be had for $15- $20.

(in reply to w8ye)
       Post #: 14

Evolution 46 - 12/14/2002 8:29:01 PM