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Model Forum / Radio Controlled / Air Models / May 2006YS 110 4 cycle FOR FUNTANA?
I was in my LHS today- needed help with my flaps and a new radio..I asked what would be a good engine for my funtana 90 he suggested theYS110 4 cycle.has anyone ever used the one before? he also mentioned that it's the standard ... out performing saito and OS.. I was just looking for a few other opinons.. thanks again gig Saito is hard to beat. >I was in my LHS today- needed help with my flaps and a new radio..I > asked what would be a good engine for my funtana 90 he suggested > theYS110 4 cycle.has anyone ever used the one before? he also > mentioned that it's the standard ... out performing saito and OS.. I > was just looking for a few other opinons.. > thanks again gig I have a YS110 mounted on a Stinger 60. It provides more power than OS or Saito engines in the same size. You pay a price though. It requires special fuel and it vibrates more. I have mine mounted on an engine mount that uses rubber grommets for vibration isolation. The concept works but you have to shell out more for the engine mount. Matt Hello all , thanks for replying.... this is info that i wanted t hear... most folk seem to like saito some have never even heard of YS.. most dont recomend OS(i like them because all i have are OS 2 strokes never had a problem) but we all know that 4 strokes are an different animal... Different mount? I know you said that there is more vibration will i have to modify the plane to get it in there? I was told that saitos required some kind of mods to get it into the plane I don't want to deal with that if ican help it. i'm already a little nervous about this"special"mount thing for the YS....I know it's more$$, but i got into it knowing that this was not going to be a simple cheap install like doing a .46 thanks for the tips.... gig >I have a YS110 mounted on a Stinger 60. It provides more power than OS >or Saito engines in the same size. You pay a price though. It requires >special fuel and it vibrates more. I have mine mounted on an engine >mount that uses rubber grommets for vibration isolation. The concept >works but you have to shell out more for the engine mount. >Matt I put Saito and OS in the same class. I don't have my Saito anymore but I still have my OS 91 Surpass II pump engine and in 4 years that I have had it, I have never had any problems. In my opinion, Saitos are a bit finickier to get going but afterwards they are just as good. Relative to an OS engine a Saito engine tends to be lighter and a bit more powerful. OS has increased its prices so from a price to performance ratio viewpoint, Saito would be the winner. You can't argue with its cooler looks either but this applies only when the plane is on the ground. YS engines are supercharged and, consequently, they're significantly more powerful. So if pure performance is the metric then YS would be it. Four-strokes vibrate more than two-strokes and in the world of 4-strokes YS engines take the number one spot. A couple of guys that I know hard mount their YS engines. Their airframes vibrate for sure but they've never had any problems. Stinger 60 airframe incorporates a lot of ABS plastic so I had to use a soft mount to reduce airframe vibration. I'm using a Gator soft mount and at around $40 it is not cheap but it is a lot cheaper than the $160 Hyde softmounts. Attaching a "soft" engine mount to the firewall is no different than attaching a regular engine mount. In some designs like the Gator mount, rubber isolators are used in between the mount and the firewall. In other versions such as Dave Browns, rubber isolators are used between the engine and the mount. In all I'd say with a YS engine you may need a soft mount. Matt Hi Matt, thanks for the replies..you have been a great help.I for the first time yesterday, saw some one at my club breaking in a new engin.. (4 stroke)ime as i have heard about this process i actually saw it... it was pretty interesting the board that the guy had screwed down to the table ,made the entire table vibrate! The engine was a "max" or something like that but i was able to see how much fuel (thru the tank) that is really used these bigger engines really suck up the fuel! Getting back to the YS... I think i will go for it i will also look for the vibration kit or mount.. to go with it... thanks for the reply. Gig >I put Saito and OS in the same class. I don't have my Saito anymore but >I still have my OS 91 Surpass II pump engine and in 4 years that I have [quoted text clipped - 23 lines] >soft mount. >Matt I think Central Hobbies nowadays sells the Gator engine mount (60-size). It does the job but you have to drill four holes to attach the engine to the aluminum mount. It is not a big deal but it means extra work. There are other alternatives so you may want to do some research. A 4-stroke engine of this size is recommended to run at about 9000-9500 rpm. I'm using a Graupner 15x8 propeller and with my Stinger 60 I get about 2 inches of ground clearance. Hopefully your landing gear will be tall enough for a 15-inch or an even longer span propeller. Finally given the vibration issue of YS engines, you have to tighten the muffler nut quite good. I have come across many folks who have lost their YS engine mufflers in mid flight. What has worked for me (at least so far) is that I'm using an internal tooth lock washer in between the muffler nut and the muffler itself and I'm using Yamaha bond on the threads. Matt Having typed the reply I checked Central's website. The Gator mount that they sell is too large. You need the smaller one and that one is available through GatorRC (www.gatorrc.com). Look for Soft N Safe Adjustable Mount. Matt Hello Mike.. thanks for the reply again.. you have been very helpful..It will be a little while before i am breaking in a new engine but when i do you will be the first to know how it goes... and then when i finnish arf'ing i will post a pic of my new funtana and YS engine! thanks. >Having typed the reply I checked Central's website. The Gator mount >that they sell is too large. You need the smaller one and that one is >available through GatorRC (www.gatorrc.com). Look for Soft N Safe >Adjustable Mount. >Matt |
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