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YS CLUB

Old 09-06-2009, 08:04 AM
  #2076  
Cyberwolf
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Default RE: YS CLUB

Hello you will need one each 1 x 15x32x8 (16002) and one each 1 x .375x.875x.281 (R6-2RS) also if want to change the cam bearings the number is 2 x 5X13X4 (695ZZ)
All of theses bearings and more can be found at RC bearings.com for a very reasonable price, Good luck.
You also may wish to change out the reg diaphram,plunger and spring while your at it plus all new gaskets and orings, which can be obtained at central hobbies.com
Old 09-06-2009, 05:23 PM
  #2077  
jmcmike
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Default RE: YS CLUB

Hey guys,

Is there a difference in carbs on a .91fz to a .91ac. I know the needle valve assemblies will interchange but is there a difference in carbs. I have mine for sale and somebody asked about the carb. thanks guys
Old 09-06-2009, 09:45 PM
  #2078  
Cyberwolf
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Default RE: YS CLUB

Yes there is a difference the AC has a smaller inlet as to weather it will interchange with the FZ i'm not sure. The porting on the disk may be different.
Old 09-08-2009, 02:48 AM
  #2079  
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Default RE: YS CLUB

Thanks Cyberwolf went and ordered a set from the bearing mob you put down good price and great info.

all the best awd
Old 09-29-2009, 02:22 PM
  #2080  
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Default RE: YS CLUB

Hi Guys,

Does anyone know if theres a suitable tuned pipe for the YS63 FZ other than the hatori 643 ridged short header and hatori 640 cooiling short pipe.

I'm looking to use a Hatori 577 standard long flexiable header with a suitable 13" long tuned pipe. This is to fit the YS63Fz, planning on installing in a Hanno Prettner ARTF EZ Mystic 90. Model has a hollow under wing for a long tuned pipe.

All I need is a suitable part number for the tuned pipe.

Thanks
Mike
Old 10-13-2009, 04:31 PM
  #2081  
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Default RE: YS CLUB

Mike,
I just sent you a reply to the PM.
I may have more than one Hatori pipes.

Ihncheol
Old 12-06-2009, 11:16 AM
  #2082  
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Default RE: YS CLUB

Hi all !

I recently got a used YS 63FZ engine and i wish to know if it will be enough for sport flying on a 10-11lb airframe.

If yes,

then what prop ?

Thank's a lot

Kostas
Old 12-07-2009, 01:03 PM
  #2083  
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Default RE: YS CLUB

While a 63 is a powerhouse I think that is asking just a bit much of it.
Old 12-07-2009, 04:58 PM
  #2084  
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Default RE: YS CLUB

I do agree its asking a bit too much, but actually its not that bad with an 8+ pound plane. I put it on my H9 60 sized Mustang just for grins. I did not weigh it, but it performed rather well, probably more scale than any of the other engines I had on it. Flew with a 13x6 apc prop on 30%heli fuel. What I really liked is that its much easier to take off of our thick grass with the lighter motor up front, less tip stalling.

Its still lacking a little but I had fun with it....but c'mon, a Stang is supposed to fly fast.
Old 12-10-2009, 04:13 PM
  #2085  
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Default RE: YS CLUB

Kostas,

For a model weighing 10 ilbs I think a YS110 or a YS140 would be better suited.

For Patton models, a YS63FZ may struggle on a airframe weighing more than 6.5 ilbs. However I'm sure theres others who may disagree.
Old 12-11-2009, 02:18 AM
  #2086  
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Default RE: YS CLUB


ORIGINAL: Union Models

Kostas,

For a model weighing 10 ilbs I think a YS110 or a YS140 would be better suited.

For Patton models, a YS63FZ may struggle on a airframe weighing more than 6.5 ilbs. However I'm sure theres others who may disagree.
Yes i understand!
I am asking too much, i know!

It was the fact that i bought it for a Seagull PC-9 40 size ARF but then thought of my other *upcoming* project from new year!


Actually,
what prop to use on the YS 63FZ/PC-9 combination?

An APC 11x10??
And in what rpm?[X(]
Old 12-11-2009, 10:58 AM
  #2087  
Barry Cazier
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Default RE: YS CLUB

My YS63 on 30% Cool Power and an APC 13/6 prop puts out 8.5lbs static thrust. Quite a little power house. I'm certain it would flyl a 10lbs plane put obviously it won't hover it. My 110s put out 13lbs 4ozs of thurst using 30% Cool Power and APC 16/6 prop. I like to fly a 9lbs plane with those.
My elevation is 4800'. So Maybe a little bit more if your elevation is lower.

I haven't done any thrust tests on the 140. I'm guessing it would be 16lbs or so. \

Thanks
Barry
Old 12-11-2009, 11:24 AM
  #2088  
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Default RE: YS CLUB

Well,

i am more interested in sport flying and that's why i asked about the YS 63FZ vs 10-11lb.

Do u remember rpm's on the 13x6 ?
Old 12-12-2009, 08:53 PM
  #2089  
Barry Cazier
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Default RE: YS CLUB

I just refered back to my notes. On 5-7-08 I did a thrust and RPM test. I was getting 8.5lbs thrust and 11200 RPM. Runs like a top. Very nice engine.
Thanks
BArry
Old 02-24-2010, 02:03 PM
  #2090  
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Default RE: YS CLUB

Hi guys,

Wondering if you could help.

I have a YS110s running on Optimix 20/20 MV ( Medium Viscosity oil ) the engine runs well, and you say... my problem is, it drinks fule like crazy. I didn't use to. I'm running a tetra standard clunk 14oz tank and I'm getting 8 minuites of flying patton schedual.

When I bought this engine, it never used as much fuel as this before.

Is my regulator open too much, or am I running it too rich ?

My settings are as follows:
Prop APC 14x12
engine is inverted in model
new YS 4 stroke plug
Fuel Optimix 20 MV fourstroke
reg set just in from flush
high speed needle 1 1/4 turns out
low speed needle 2 1/2 turns out


I appreciate anyones help.

Thanks
Mike
Old 02-25-2010, 08:30 AM
  #2091  
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Default RE: YS CLUB

It sounds like your regulator is stuck open. You might try taking it apart and cleaning it with alcohol. Make sure you put it back on facing the correct direction. I have 2 110's, one running with a 10oz tank and I get 9-10 minutes out of it. It's on a light model, (Reactor Bipe). The other one has a 12oz tank and I get at least 10 minutes on it. It the transition on the engine still ok?
Old 02-25-2010, 11:05 AM
  #2092  
rlipsett
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Default RE: YS CLUB

if your regulator is stuck open check to see after you run the engine for a few seconds if your inverted engine is free flowing fuel out of the intake, if its open it should be pouring fuel out of the intake
Old 02-25-2010, 03:15 PM
  #2093  
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Default RE: YS CLUB

Hi Guys,


Thanks for your posts.

The transision is smooth.
On tickover holding 2k rpm I can pick the model up, hold the model inverted, and smartly put it back on the ground again, and it still on tickover. No problems there.

When the engine stops, theres no fuel dripping out of the intake. This is what puzzles me, the engine appears to run great, but eats fuel at an impressive rate.

If the regulator was open a little too much, and the high speed needle open a little on the rich side, would this contribute to appear like too much fuel being passed.

I'm wondering, if this can be possiable, I have the engine setup at present on the rich side. If I were to wind the regulator in reset the H/S needle and then L/S needle, would I have shifted all the settings to one using less fuel ??

The tapets are set to 0.05mm

I heard of another guy with the same problem, but he just lived with it.

Mike
Old 02-25-2010, 04:06 PM
  #2094  
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Default RE: YS CLUB

Most of the time my HS needle is turned out a bit more than that, (1.5 to 1.75 turns), but I'm flying in fairly cold weather and that changes the HS setting. If you're going to adjust the regulator make the adjustments in very small increments. I would still try cleaning the regulator. That amount of fuel use sounds excessive.
Old 03-05-2010, 10:57 AM
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Default RE: YS CLUB

Hi Guys,

I revisited the setting on the YS. However, if I start the engine slightly above tickove ie 3000rpm, let it warm up for 30 seconds, roll the throttle to full, back to tickover, everythings fine.

If I start the engine on tickover 2000rpm leave it to run for 30 seconds then roll it to full throttle, the engine coughs at 1/4 - 1/2 throttle.

Is this because the low speed needle is too rich, filling the engine with fuel, therefore it struggles to burn it off for a smooth transition ?

Thanks

Mike
Old 03-05-2010, 09:15 PM
  #2096  
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Default RE: YS CLUB

Hi Mike,
Remember the idle screw is opposite most engines. When you turn the screw clockwise you are making the mixture richer. Counter clockwise is leaner. In my experience, the regulator is the only thing that effects response. The idle screw is only to set idle. I would suggest you mark where your regulator screw is now, then turn it clockwise about 1/8th of a turn and try it again. Keep doing this until it stumbles when you advance the throttle quickly. Then turn it back the 1/8th until it transitions quickly. I have never had to play with the idle screw much. Pay close attention to how much you move the regulator screw so you can move it back to where you started if things go badly. Without having the engine to listen to, it's hard to give good advice. Try this link as well. http://www.rcuniverse.com/forum/forumid_197/tt.htm You may find something here.
Don
Old 03-06-2010, 02:00 PM
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Default RE: YS CLUB

Thanks Don,

I'll give the link you posted a look into.

Thanks for the advice, I'll try the engine again.

Mike
Old 03-12-2010, 10:38 AM
  #2098  
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Default RE: YS CLUB

Thanks for your help, my YS is now running perfect.

Mike
Old 04-28-2010, 05:43 PM
  #2099  
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Default RE: YS CLUB

Hi Guys,
I am wanting to put a 140 DZ on a big profile. Any ideas on what type of muffler to use? I was wanting to stay away from the articulate pipe/muffler setup like I use on the P-plane.

Thanks Mike,
Old 04-28-2010, 07:36 PM
  #2100  
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Default RE: YS CLUB

What type of noise restrictions do you have at your field or for you own personal prefference?

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