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YS110 tuning - 4/30/2008 1:35:54 PM   
Mr. Mugen



Posts: 4899
Joined: 3/24/2006
From: Ishpeming, MI, USA
Status: offline 		Anyone know approx. how many turns out the high speed needle is for the older ys110? Obviously not an exact number but a ballpark to get started? Never ran this one before but it has been broken in by someone else. The needles are all the way in right now.

Kevin

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RE: YS110 tuning - 4/30/2008 2:30:00 PM   
Flyboy Dave



Posts: 13175
Joined: 3/20/2002
From: San Bernardino County, CA, USA
Status: offline 		....I think it's one and one/half on both needles.

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RE: YS110 tuning - 4/30/2008 4:57:25 PM   
masama1107


 

Posts: 14
Joined: 6/29/2004
From: Long Beach, CA, USA
Status: offline 		Mr. Mugen,

I would start with 2 to 2 1/4 turns out on the main HS Needle valve, and start tunning from that point turning clockwise until reaching desired RPMs.

I have found this link very useful and I highly recommend it to everyone.

http://www.probuild-uk.co.uk/factsheets/ys_engines.php

Good luck!!!

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RE: YS110 tuning - 4/30/2008 7:08:30 PM   
liquid_TR


 

Posts: 389
Joined: 4/8/2007
From: ISTANBUL, TURKEY
Status: online 		under average normal weather conditions I find the HSN to be less than 1.5 turns out on 110FZ. I would start with 2 turns out with the HSN then tune and regulator screw quarter turn in from flush position for midrange.

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RE: YS110 tuning - 4/30/2008 8:56:04 PM   
Mr. Mugen



Posts: 4899
Joined: 3/24/2006
From: Ishpeming, MI, USA
Status: offline 		Thanks for the insight guy's! I fired it up a few minutes ago and ran it for a tank while tuning it. It is a power house! It transitions so smoothly I thought something was wrong........just the way a good motor runs I guess. I went from a saito 100 to this in my edge 540 and there is a big difference in transition. My pal and I are planning on flying tonight, he has the identical plane with the saito 100. We will get a side by side comparison tonight.

Thanks again,
Kevin

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Everything electronic runs on smoke.....if you let your smoke out, it''''''''s dead! AMA#378033
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RE: YS110 tuning - 5/1/2008 3:48:30 AM   
Mr. Mugen



Posts: 4899
Joined: 3/24/2006
From: Ishpeming, MI, USA
Status: offline 		Another quick question for you guy's. I am using wildcat 15% fuel with 18% oil. Is this a god choice for this motor? I use it in all my others with good luck. Today it seemed like it wasn't getting to full top end. Maybe a weather thing due to the cold but just curious if the fuel might be the issue.


Kevin

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RE: YS110 tuning - 5/1/2008 5:07:42 AM   
tadawson


 

Posts: 426
Joined: 9/5/2002
From: Lewisville, TX, USA
Status: offline 		If I am not mistaken, YS specifies a MINIMUM of 20% oil, all synthetic, for all their engines. So, based on that, your fuel is *not* correct, and is underlubricating the engine.

- Tim

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RE: YS110 tuning - 5/1/2008 6:13:15 AM   
Flyboy Dave



Posts: 13175
Joined: 3/20/2002
From: San Bernardino County, CA, USA
Status: offline 		....this is the YS engine recommendation....

....you can run straight castor in the YS if you so desire.

The synyhetic only oil in the YS engine is an Internet myth.

FBD.

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_____________________________

An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
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RE: YS110 tuning - 5/1/2008 9:10:38 AM   
liquid_TR


 

Posts: 389
Joined: 4/8/2007
From: ISTANBUL, TURKEY
Status: online 		Non-DZ models of YS engines could be run with small amount of castor oil,
but there is no need for it as all internal parts are lubricated with fresh charge of fuel, unlike an OS, Saito or clones.

DZ models of YS engines are NOT recommended to be run with any castor in the mix.

Regulator silicon diaphram is very sensitive and may get stuck or clogged if the engine sits for a long time with castor left in it.

Its a known fact that YS engines respond to 20/20 fuels very well. But they can be run with 15% nitro as well, just not as impressive as 20/20.

18% oil is not "underlubricating" the engine, but 20% oil is better than 18%..

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RE: YS110 tuning - 5/1/2008 7:36:03 PM   
carlosponti



Posts: 861
Joined: 5/14/2003
From: Moore, OK, USA
Status: offline 		castor is fine however you can absolutely not run and petroleum based lubricant in the engine. some people try using mystery marvel oil as an after run which is fine in every engine but YS. it will destroy the silicon seals. the castor thing is just not recommended because of its properties of build up and gumming the inside of an engine. over time that leads to problems with the engine.

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RE: YS110 tuning - 5/2/2008 1:49:55 AM   
Mr. Mugen



Posts: 4899
Joined: 3/24/2006
From: Ishpeming, MI, USA
Status: offline 		So 20/20 cool power would be fine then I take it. I found 30/30 cool power but not with less oil. Comments?

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RE: YS110 tuning - 5/2/2008 5:37:05 AM   
tadawson


 

Posts: 426
Joined: 9/5/2002
From: Lewisville, TX, USA
Status: offline 		I guess I have been flying YS Heli motors for too long . . . for those, the specification is 20 to 30 percent oil, no lower . . .

- Tim

quote:

ORIGINAL: liquid_TR

Non-DZ models of YS engines could be run with small amount of castor oil,
but there is no need for it as all internal parts are lubricated with fresh charge of fuel, unlike an OS, Saito or clones.

DZ models of YS engines are NOT recommended to be run with any castor in the mix.

Regulator silicon diaphram is very sensitive and may get stuck or clogged if the engine sits for a long time with castor left in it.

Its a known fact that YS engines respond to 20/20 fuels very well. But they can be run with 15% nitro as well, just not as impressive as 20/20.

18% oil is not "underlubricating" the engine, but 20% oil is better than 18%..

quote:

18% oil is not "underlubricating" the engine, but 20% oil is better than 18%.

(in reply to liquid_TR)
       Post #: 12

RE: YS110 tuning - 5/2/2008 7:42:00 AM   
Flyboy Dave



Posts: 13175
Joined: 3/20/2002
From: San Bernardino County, CA, USA
Status: offline 		....I read at the Central Hobbies site, the manual for the 1.70 DZ engine
only calls for 2% castor to be used in the engine. That seems odd to me.

FBD.

_____________________________

An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

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       Post #: 13

RE: YS110 tuning - 5/2/2008 9:42:27 AM   
liquid_TR


 

Posts: 389
Joined: 4/8/2007
From: ISTANBUL, TURKEY
Status: online 		Dave, it says 20-24% synthetic oil only but if you use castor, no more than 2%.

This greatly has to do with the direct injection system that may get clogged or damaged from castor varnish i believe..

Also the exhaust valve, seat, and valve stem will get hard carbon coated.

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