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RE: New Evolution 10cc gas engine - 2/11/2013 6:42 AM   
Chewy 76


 

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From: NewcastleNSW, AUSTRALIA
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Looks like a neat engine Horizon have on their books. In the process of sticking it in my Hangar 9 P40B. Should be a real good option for that plane I hope.



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RE: New Evolution 10cc gas engine - 2/11/2013 10:56 AM   
AA5BY


 

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Status: online 		Yes... the 10GX should be a good choice for the P-40. I came very close to pulling the trigger for the P-40 and at one time needed only one more click to confirm an order, but out of concern for our fields rough conditions I opted out, but now am wishing I'd gotten it. Not sure if Horizon will get another shipment, oh well I'll watch for it... enjoy.

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RE: New Evolution 10cc gas engine - 2/11/2013 11:04 AM   
Chewy 76


 

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Status: offline 		I saw them onsale at Horizon for $99 a couple weeks back. Tough to pass up on that price. Only wish I hadn't jumped in first up and paid retail for it. Lol

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RE: New Evolution 10cc gas engine - 2/11/2013 2:04 PM   
josephcraig


 

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Status: offline 		yea i know the feeling,just ordered the hanger 9 katana 50 and got in thursday..two days after i ordered it,put it on sale for $99.00....imagine that..i have been looking at this plane for months.guess its good i did go ahead and ordered it..going to be discontinued..don't regret ordering it cause its a beautiful plane..gonna see how this little gas is gonna pull this plane..i think it will be a  good flyer...weighed the plane empty and weighed 3.5..how much do you think it will weigh rtf?   6.5lbs?

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RE: New Evolution 10cc gas engine - 2/12/2013 2:12 PM   
josephcraig


 

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Pete,

i have been heat cycling the engine on the stand..probably use 1/4 gallon of fuel..haven't maiden it yet ..will the engine clear up more in flight off the load after more breakin and the high side needle setting on 1 1/2 to 1 3/4,is that gonna have to be moved any afterwards from day to day ......Craig



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RE: New Evolution 10cc gas engine - 2/12/2013 4:45 PM   
chandley43231


 

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Status: offline 		Lol it says it will in the instructions pages 11 and 12 of your Manuel. Good luck

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RE: New Evolution 10cc gas engine - 2/12/2013 6:38 PM   
josephcraig


 

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thanks dude, i guess i had a brain fart on that deal ..i'm so used to glow engines..never flown gas engines.....i over looked where it talked about one click plus or minus after ...



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RE: New Evolution 10cc gas engine - 2/12/2013 10:29 PM   
SkyPilot101


 

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Status: offline 		How soon do you think Horizon will grow this up to a 15cc mill?

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RE: New Evolution 10cc gas engine - 2/12/2013 11:11 PM   
airborne2.4


 

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RE: New Evolution 10cc gas engine - 2/13/2013 12:35 AM   
josephcraig


 

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From: saluda, SC, USA
Status: offline 		hey guys,

i recieved my hanger 9 katana 50 this past week...now hobby zone has the last shipment for 99.00..not a bad price for a nice looking plane..thought about ordering another one for that price....


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RE: New Evolution 10cc gas engine - 2/13/2013 12:58 AM   
AJsToyz



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Status: offline 		on back order , won't let you order!

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RE: New Evolution 10cc gas engine - 2/13/2013 1:02 AM   
josephcraig


 

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Status: offline 		dang no wonder they are on sale....you can't get them


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RE: New Evolution 10cc gas engine - 2/13/2013 1:05 AM   
captinjohn


 

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quote:

ORIGINAL: AJsToyz

on back order , won't let you order!


AJ....I am glad it is you in that frozen Mich....nice & warm here in Florida!   Capt,n 

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RE: New Evolution 10cc gas engine - 2/13/2013 1:07 AM   
AJsToyz



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Status: offline 		Thanks buddy for thinking of me! We did wake up to a nice 45 degree morning yesterday but went back to about 25 last night.🏂

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RE: New Evolution 10cc gas engine - 2/13/2013 3:17 PM   
josephcraig


 

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Dave,

i think you said you was gonna try a different high side needle valve..did you try it how did it work?

                                      craig



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RE: New Evolution 10cc gas engine - 2/13/2013 4:42 PM   
rc34074


 

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quote:

ORIGINAL: SkyPilot101

How soon do you think Horizon will grow this up to a 15cc mill?


I hope if they do this that they design it to run higher rpm like the 10gx. To me the biggest drawback of the dle20 is it doesn't survive well at higher rpm, so a 15cc of about the same weight as the 10gx would be a good solution, especially if they had a better muffler system like a wrap around muffler such as the ones Jtec sells. The 10gx muffler is pretty huge for a lot of applications. And the bisson muffler they suggest is designed for side mounted engines. They need a muffler for inverted mounting.

Ed

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RE: New Evolution 10cc gas engine - 2/13/2013 5:46 PM   
chandley43231


 

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Status: offline 		Hi Ed al at  J tech is going to make me two wrap around muffler so when I put these 10 s  on my hanger9 b-25  but I want to break them on my mat chapmen 580 so no issues when on the war bird just take some pictures an they will make u what u want

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RE: New Evolution 10cc gas engine - 2/13/2013 6:56 PM   
rc34074


 

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quote:

ORIGINAL: chandley43231

Hi Ed al at  J tech is going to make me two wrap around muffler so when I put these 10 s  on my hanger9 b-25  but I want to break them on my mat chapmen 580 so no issues when on the war bird just take some pictures an they will make u what u want


Thanks for your suggestion - are you mounting your engines inverted?

I have serious doubts about trying to work with Jtec - I spent LOTS of time with them (sent them dimensions, pictures, etc) trying to get a wrap around muffler for my Super Tiger 2300 to fit in the cowl on my World Models GS mustang (81 inch wing) and they decided they would send me an older design which DID NOT FIT. When I complained they acted like I had NEVER talked with them about it, and the wanted me to do all the measuring all over again. Turns out they had done this old muffler for someone else and had an extra on the shelf which is what they sent to me. Then they wanted me to pay them more money to fix the muffler they sent to me that didn't fit.

So the only way I will deal with them is if someone else works out a design and Jtec or someone sends me a drawing with dimensions on it so I KNOW it's going to fit before I send them any money. Once burned twice shy I say.

Thanks anyway.

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RE: New Evolution 10cc gas engine - 2/14/2013 1:33 AM   
FlatSpin


 

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quote:

ORIGINAL: josephcraig

Dave,

i think you said you was gonna try a different high side needle valve..did you try it how did it work?

                                      craig



I tired the OS needle with limited success. It screws in nicely but wouldn't go in far enough to properly lean it out. It bottomed it out just as the engine started to sound nice, but it was still several hundred RPM shy of the original HS needle setting. If the needle body was another 1/8" longer I am sure it would have worked out fine. Oh well...

Dave

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RE: New Evolution 10cc gas engine - 2/14/2013 1:53 AM   
josephcraig


 

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From: saluda, SC, USA
Status: offline 		Dave,

do you think the factory needle is the way it is for a reason...i'm in the process of of putting my plane together on hanger 9 katana 50..i've run my engine some on the test stand..can't really tell on the stand until the engine is off the load..i did take some 320 sandpaper and knock the edge off the high side needle on the end...i'm gonna run it the way it is for a while to see how it adjusts...what blades have you tested and which size you like the best far as performance ...12 x 6 in the manual says best all around...


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RE: New Evolution 10cc gas engine - 2/14/2013 4:34 AM   
FlatSpin


 

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quote:

ORIGINAL: josephcraig

Dave,

do you think the factory needle is the way it is for a reason...i'm in the process of of putting my plane together on hanger 9 katana 50..i've run my engine some on the test stand..can't really tell on the stand until the engine is off the load..i did take some 320 sandpaper and knock the edge off the high side needle on the end...i'm gonna run it the way it is for a while to see how it adjusts...what blades have you tested and which size you like the best far as performance ...12 x 6 in the manual says best all around...


I'm sure there is some reason the HS needle is flatter than standard glow needles, but I and others at my flying field have found that there isn't any fine tuning adjustment to it. One click makes a difference between lean and rich. Another guy took his needle out to examine it before firing it up and discovered a burr on it. He took a jewelers needle file and touched it up. I'm not recommending anyone modify their needle, but if you cannot get it dialed in after a lot of flying time, it may be something to consider. I had over 1/2 gallon through my engine before experimenting with the needle shape.

On the 8lb Meridian airframe (dry weight, no fuel), my Evo likes a 12x6 APC the best. I flew it with a 13x6 and it worked pretty good but you could tell there was a performance decrease in aerobatic "snappiness". I think 8lbs is about the "performance limit" for this engine. I've also put the Evo on a 7lb trainer with a 11x7, 11x7, 12x6, 13x4 and 13x6. On that plane, the 12x6 and the 13x4 was the best match. I have a good 60-75 degree vertical climb out with those props.

Dave

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RE: New Evolution 10cc gas engine - 2/14/2013 1:52 PM   
josephcraig


 

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From: saluda, SC, USA
Status: offline 		YEA Dave,

i have run mine on the stand for about 1/4 gal and it seems to do really well..i made sure to get the temp up over 180 degrees and it seems really impressive on the stand..i have the hanger 9 katana 50 to put it on..the bare frame weighs 3.5,so hopefully i want be all that heavy when completed..i am gonna use life batteries so hopefully that will help some on the weight and gonna put pitts muffler on it and that will shed an ounce or two..my thinking is the pitts muffler will be more suitable for a gas engine..i'm not really clear why they went this type of muffler..i guess to keep from having to make different ones...i'm really excited about the first flight and hope i'm not dissappointed ..its really strong for a gas engine its size...    i will let you know how the first flight goes after i do my maiden....thanks ...craig

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RE: New Evolution 10cc gas engine - 2/14/2013 11:34 PM   
kork


 

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From: twin cities, MN, USA
Status: offline 		I talked with Al @ JTEC this morning about making 2 wrap around style pitts mufflers for my hanger 9 B-25. I will be sending him one of the engines for making these mufflers. If anyone is interested in getting one or two made he will have something to refer to. My distance from prop hub to the rear side of my mounts will be 4-3/4". He mentioned he would like to use 1-1/4 OD chamber but mine will only be able to use  1".  The price is around 80.00 for one. I have had one other custom pipe made from them for my jba 15 that turned out very nice.
Jason

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RE: New Evolution 10cc gas engine - 2/14/2013 11:51 PM   
josephcraig


 

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From: saluda, SC, USA
Status: offline 		thanks for the offer,
i'm mounting mine in the horizontal position with exhaust coming out the bottom.i'm hoping the pitts is gonna work well for me.....do you have any pictures on these mufflers?


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RE: New Evolution 10cc gas engine - 2/15/2013 1:43 AM   
kork


 

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From: twin cities, MN, USA
Status: offline 		I dont have any pictures, I am going to send the engine in the next day or so. I was planning on inverted, I was wondering if the horizontal muffler would lose any power?

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