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Old 10-28-2011, 01:52 PM
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Cryhavoc38's Avatar
United States, WA
Joined Oct 2007
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Quote:
Originally Posted by clivem View Post
is it worth putting on a test stand ........
LOL..not that one!
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Old 10-28-2011, 02:08 PM
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United States, KY, Glasgow
Joined Oct 2010
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Originally Posted by clivem View Post
is it worth putting on a test stand ........
have any pics of the tear down? I'd like to see the motor apart.
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Old 10-28-2011, 02:43 PM
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Russia, The city of Krasnodar
Joined Jul 2010
467 Posts

Today TESTS!
After a little ajar needle H gives a stable motor with propeller 6500 24h8.
This is not an indicator
Sanya in fuel oil poured at the time of measurement of the oil was mineral water 1:25
Then at 1:50 synthetic motor steadily gave about 7000. , Which is 15 kg. of thrust.
This is after liter of gasoline!
How to break in at least 16 kg. traction will produce a screw 24h8, 23h10 and from all the 17 kg.
In general, the motor - HAS THE RIGHT TO INSTALLATION
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Old 10-28-2011, 04:58 PM
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200k from home
Joined Jan 2007
977 Posts

Quote:
Originally Posted by clivem View Post
is it worth putting on a test stand ........
Does it leak?
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Old 10-28-2011, 06:47 PM
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United States, KY, Glasgow
Joined Oct 2010
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Ran 1500cc of fuel through the jc23evo and here are the pics! Motor is getting ready for the 1/4 scale clip wing cub!




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Old 10-28-2011, 11:13 PM
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cameron mo
Joined Oct 2010
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Looks good
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Old 10-29-2011, 08:07 PM
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United States, KY, Glasgow
Joined Oct 2010
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Got the motor mounted!




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Old 10-29-2011, 08:16 PM
Who put that tree there?
Super08's Avatar
Fort McMurray AB
Joined Mar 2008
7,057 Posts

You should put a ball link or something on the end of the choke rod. That may cause radio interference with metal to metal vibrating together....
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Old 10-29-2011, 09:43 PM
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United States, KY, Glasgow
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Originally Posted by Super08 View Post
You should put a ball link or something on the end of the choke rod. That may cause radio interference with metal to metal vibrating together....
The choke is not permanent as I don't know how I am going to terminate it once the cowl is on. It probably wont even have a choke once it's all said and done. As far as radio interference I am not sure, we have been using z bends for years on chokes with no radio problems.
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Old 10-30-2011, 01:53 PM
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South Africa, KZN, Pietermaritzburg
Joined Nov 2009
925 Posts

eh - your gonna need a choke, even the best engines need em..... i also would not have the metal to metal contact
sorry dont have any more pics of tear down, just put it all back in the box.........
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Old 10-30-2011, 02:05 PM
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Palm Coast, Florida
Joined Sep 2009
476 Posts

Do you have any dimensions on the 120EVO. You guys going to carry it?
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Old 10-30-2011, 05:50 PM
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United States, KY, Glasgow
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Quote:
Originally Posted by clivem View Post
eh - your gonna need a choke, even the best engines need em..... i also would not have the metal to metal contact
sorry dont have any more pics of tear down, just put it all back in the box.........
The only gas motor I use a choke on is a 3w150 the rest of them I have a starter and never use the choke.

Anyways, I flew the 1/4 scale clipped wing cub today with the JC23evo and man was I impressed! Plenty of power and not a single dead stick! The plane was turning 9303 rpm and the world models cub held every bit of it. I believe Kevin finally got himself straight with these motors, I see them being another great option for budget builds.
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Old 10-30-2011, 05:55 PM
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United States, KY, Glasgow
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Quote:
Originally Posted by cap232tain View Post
Do you have any dimensions on the 120EVO. You guys going to carry it?
Yes, I will be getting the JC120evo in November !

Engine type : 2—Stroke gasoline engine
Displacement:120cc
   Bore × Stroke: 45mm × 38mm(twin)
   park plug: NGK CM6 or JC CM6
   Carburetor: Walbro special-designing vacuum pump diaphragm type duplex needle carburetor
   Max power : 12.5hp/8000rpm
   Practical running speed : 1200 - 8000rpm
   Net Weight : (incoulding CDI and muffler)
   Ignition system : CDI battery ignition (battery voltage: 4.8v—6v)
   Grease oil ratio : 25-30:1 used during the break-in (the initial 2 working hours); 35-40:1 used after the break-in.
Screw propeller dimension :27*8, 27*10, 28*8, 28*10, 29*8

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Old 10-30-2011, 06:13 PM
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Palm Coast, Florida
Joined Sep 2009
476 Posts

Wow! 10.1" wide. By the angle of the plugs I'd guess +3/8" per side with caps. So maybe 10.8" with caps overall. I have a build coming up with 11" wide cowl and he wants a twin. Let us know when you get a chance to verify overall width with plug caps and price.
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Old 10-30-2011, 06:45 PM
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United States, OH, Norwalk
Joined Mar 2008
1,561 Posts

A starter on a 23cc gas engine?
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