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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › DONT!!!!buy ys120 thinking u will save money on fuel
02-04-2012 05:01 PM  6 years agoPost 1
1tonv

rrApprentice

Pontiac, michigan. U.S.A.

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Its sad just when I thought getting my 120 I was gonna save a little on fuel I'm finding out that I'm not gonna save in fact its gonna end up the same if not more. (With the loss of flight time) the fuel for this motor costs couple dollars less then the 30% not the big savings everyone thought is was gonna be. Guess its big business when there's gonna be big demands RAISE PRICES!!!!!!!!

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02-04-2012 05:11 PM  6 years agoPost 2
unclejane

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santa fe, NM, USA

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You did know that fuel isn't what makes an engine run right? They run on cash, not nitro....

Maybe moonlighting at a second job is the answer - that's what I keep thinking when looking at those OS 1.05's on GrandRC's page...

LS

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02-04-2012 05:19 PM  6 years agoPost 3
1tonv

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Pontiac, michigan. U.S.A.

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Your 100% correct. Its sad that people were led to believe that the 15% was gonna be under $20 a gallon. SO SO not the case. So b4 u go drop close to $800 on motor and pipe check into these NEW15% fuel prices u will be surprised. To say the least

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02-04-2012 05:35 PM  6 years agoPost 4
unclejane

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santa fe, NM, USA

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It is. For example:
http://www.amainhobbies.com/product...el-Four-Gallons

Tho just depends on what you run and where you get it from. RotorRage, for example is almost the same price for 15% and 30%. But Morgans fuels are cheaper in the 15% blends.

LS

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02-04-2012 05:42 PM  6 years agoPost 5
bmapope

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TN

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I have yet to outfly my 91hz

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02-04-2012 05:53 PM  6 years agoPost 6
1tonv

rrApprentice

Pontiac, michigan. U.S.A.

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that green coolpower is not for the ys120. The ys15% is red and it cost more

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02-04-2012 05:57 PM  6 years agoPost 7
unclejane

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santa fe, NM, USA

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The CP should be fine for the 120, unless YS specifically says not to use it.
At $75 a case vs $100 a case, the choice is no contest for me .

I ran about 10 gallons of the CP 15% through my 91HZ-R with no problems. I'm currently using the 15% MV again with no problems...

LS

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02-04-2012 06:18 PM  6 years agoPost 8
1tonv

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Pontiac, michigan. U.S.A.

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Ys says to run special fuel for the motor. Cool power makes ys15% which has 21% oil instead of 17% which the green has. Its red in color and its not $75 a case. That's my point the special 15% is more money. So we were all led to believe that it would run on the regular 15% which is much much less then 30%. Not the case now we have this SPECIAL15% with its special price tag

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02-04-2012 06:42 PM  6 years agoPost 9
unclejane

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santa fe, NM, USA

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Sounds like you should have taken the _blue_ pill....

One option is:
http://www3.towerhobbies.com/cgi-bi...p?&I=LXS627&P=0

That's 16oz which is enough to bring a case of CP 15% up to about 20% oil for an extra $10. So that's about $85 a case. Still a good bit under the $100 for RotorRage.

The other option is:
http://grandrc.com/Engines-&-Parts-...oduct_info.html

Probably a little late for this option, but with this you don't have to worry about any "special blend" anything; you can run pretty much any fuel in this one you want.

I mean, that's going to be true of the YS also, but you might sleep at night a little better with the OS....

LS

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02-04-2012 06:48 PM  6 years agoPost 10
1tonv

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Pontiac, michigan. U.S.A.

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Yea right!!!!!!! U go ahead and try that let me know how it goes. I will stick to what YS says to use

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02-04-2012 06:59 PM  6 years agoPost 11
unclejane

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santa fe, NM, USA

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Well, ok, you were the one complaining about fuel prices. But it's your money.....

I'd personally opt for the OS myself, but I'd be very surprised if the YS wore out or developed any unusual problems running a conventional 15% blend. As long as it has enough oil in it, fuel is fuel....

LS

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02-04-2012 07:08 PM  6 years agoPost 12
1tonv

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Pontiac, michigan. U.S.A.

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I'm glad u like giving yr PERSONAL OPINIONS. This post was to let people know what they can expect to pay if they plan on flying this motor. In yr opinion that's complaining. Your opinion is wrong FLAT OUT!!!!!! My problem is the way I was mislead. So with that said why don't u go jump another thread and leave this for someone that will accually fly a ys 120. As u personally would fly OS

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02-04-2012 07:12 PM  6 years agoPost 13
rchelichop

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seeya

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Are you guys adding more oil to the content of the motor to increase cooling? Thats what I thought was a drawback to using the 15%, is the motor and bearing will get hotter than on 30% when tuned for optimum power.

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02-04-2012 07:18 PM  6 years agoPost 14
1tonv

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Pontiac, michigan. U.S.A.

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I'm not adding any oil to fuel. I'll leave the mixture to fuel companies, but what u said was correct but with this motor they have found just the opposite it runs better on 15%

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02-04-2012 08:43 PM  6 years agoPost 15
unclejane

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santa fe, NM, USA

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Are you guys adding more oil to the content of the motor to increase cooling? Thats what I thought was a drawback to using the 15%, is the motor and bearing will get hotter than on 30% when tuned for optimum power.
Higher nitro fuels usually give better results at richer settings - this is what normally makes the engine run a little cooler than with lower nitro fuels. But you can richen up with a lower nitro fuel also to lower the running temps, the cost is just more reduced power output.

1tonV seems to have fallen for a "snake oil" salesman and become convinced he can only run $100-case 15% (probably RotorRage) in his YS 120. I was just trying to save him some money but he's still digesting the Red Pill. So what can you do...

In any case, there's nothing magical about fuel. There isn't a bad one on the market anymore and the engine will run/last just fine on any of them, as long as the oil content and nitro is in the correct range.

LS

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02-04-2012 08:58 PM  6 years agoPost 16
CoronaL

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Winnebago IL

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yeah I think I'd have a hard time swallowing the whole same price deal with Byron at 15% vs 30%. I guess their only defense is they won't sell that much of it, so it's a higher cost to produce in some ways.

Anyway, you don't have to run Byron as the other poster mentioned. Any nitro heli fuel should be fine. Yes it will probably run better on Byron, or another thinner viscosity oil blended fuel.

I also never really thought of the YS120 as a motor that would save anyone $ in any way. I looked at it as the best nitro alternative to E power. gobs of power/torque and decent fuel consumption rates for that displacement size. I think if the motor was run on 30% you would probably lose another minute of run time, thereby increasing per minute run costs even more. 15% gives you a bit more run time though.

Randy!!! I am the liquor

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02-04-2012 09:16 PM  6 years agoPost 17
DS 8717

rrProfessor

Here wishing i was somewhere else

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30% Nitro has more oxygen so it runs hotter than less nitro,if it is peaked for optimal power.It will run cooler if you run it too rich...There are other brands of fuel besides cool power...

YOU ONLY LIVE ONCE..IF YOU LIVE IT RIGHT THATS ALL YOU NEED

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02-04-2012 09:21 PM  6 years agoPost 18
1tonv

rrApprentice

Pontiac, michigan. U.S.A.

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"All fuels are the same " what are u smoking? Or should I say taking since u talk a lot about pills. I don't listen to salesmen I talk with pilots. Pilots that been flying for 20 plus yrs. Good pilots not some average Joe. Anyways if u think all fuels are the same that it self tells me of yr knowledge.ALL FUELS ARE NOT THE SAME. That I know myself

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02-04-2012 10:20 PM  6 years agoPost 19
Dr.Ben

rrMaster

Richmond, VA, USA

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The stock 15% CP helicopter fuel is nothing more than their airplane fuel with a different label stuck on it. I would not use it in either of the new engines because it uses a higher viscosity oil package that simply does not run as well as the low viscosity blends, especially when it comes to the way the oil helps to cool the engine under high loads. Neither engine was designed around the use of high viscosity oil fuel. The OS regulator in particular does not work as well with the heavier oil. I know this because I was involved with some of the prototyping of the OS reg, and I know not only what the gentleman who helped design the reg said then about the high viscosity oil but also what he still says to use now in the 105. Tim Jones would know better than anyone else about the 120, but I would be stunned if he suggested using a thick oil fuel in the YS over a low viscosity package.

If you would like to use a CP fuel other than their low viscosity oil package, at least obtain their MV 15%.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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02-04-2012 11:28 PM  6 years agoPost 20
Glenn Goodlett

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California

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I can't believe anyone would buy into the notion a larger motor is going to save money on fuel.

I would run %60 nitro if it gave me more power, cost be dammed. After I got my 1.20 dialed in, I gave away my .91 Hzrs. I'll never go back. I may try the 1.05 though.

Anybody know if you can buy Rotor Rage by the drum?

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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › DONT!!!!buy ys120 thinking u will save money on fuel
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