How Much Oil Do You Run In Your 4stroke Glow Engine??
07-20-2013, 05:33 PM
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
Yes sir, I know, I ran my Saito .80, Saito 1.50 and Enya .46MKII for two seasons on Fox fuel with 20% castor. Same deal here, no build up I did recently replace the cam drive bearing in the Enya .46. The rest are still original. I'll bet if you push the piston down you can still see the hone marks on the cylinder.
07-20-2013, 05:58 PM
#28
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
We push SIG 15% Champion with 20% oil in our store for use with RC Car engines and I see no oil related engine problems in the cars we have sold and serviced. Not a single engine has come back seized , busted or burn up.
07-20-2013, 10:07 PM
#30
RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: jeffie8696
We push SIG 15% Champion with 20% oil in our store for use with RC Car engines and I see no oil related engine problems in the cars we have sold and serviced. Not a single engine has come back seized , busted or burn up.
We push SIG 15% Champion with 20% oil in our store for use with RC Car engines and I see no oil related engine problems in the cars we have sold and serviced. Not a single engine has come back seized , busted or burn up.
You have to be really good with the needle if you're going to run 8% oil though; there isn't much room for error here...
07-21-2013, 01:24 AM
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
I run 5% nitro with 20 % coolpower synthetic in my 55AX and the same fuel blend in my OS 72 Alpha with no ill affects to either engine.
07-21-2013, 01:33 AM
#32
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
I live in a ot climate.
It is mid winter where I am. I could fly wearing only my swim shorts and sandals if I wanted
My fuel is 10% Klotz synth; 10% castor oil, and balance methanol. No nitro-methane. I mix my own fuel and my engines run just fine. No flame-outs and good throttling. Not using nitro-methane is not an issue. Good tuning and plug selection is important.
Some club mates run fuel with full synth low % oil. In the climate we fly in they have suffered all sorts of problems. Many dead sticks and poor tuning.
Adopting a fuel with a full multi-viscosity lubricant in the package (good quality pure castor oil) has solved many of their issues.
This is my experience. I expect cold weather flyers may have a different requirement.
It is mid winter where I am. I could fly wearing only my swim shorts and sandals if I wanted
My fuel is 10% Klotz synth; 10% castor oil, and balance methanol. No nitro-methane. I mix my own fuel and my engines run just fine. No flame-outs and good throttling. Not using nitro-methane is not an issue. Good tuning and plug selection is important.
Some club mates run fuel with full synth low % oil. In the climate we fly in they have suffered all sorts of problems. Many dead sticks and poor tuning.
Adopting a fuel with a full multi-viscosity lubricant in the package (good quality pure castor oil) has solved many of their issues.
This is my experience. I expect cold weather flyers may have a different requirement.
07-21-2013, 01:47 AM
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
I agree and where Im from when its hot I fly totally naked . Mind you Ive been banned from 3 clubs already . Cant figure out why . Cheers from the pope
07-21-2013, 06:29 AM
#37
RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: JPMacG
What is the motivation to run lower amounts of oil? Is the motivation to save money or to get more power.... or both?
What is the motivation to run lower amounts of oil? Is the motivation to save money or to get more power.... or both?
Less oil = more combustible fuel = more power at the sacrifice of lubrication. Add more nitro and you get more volume of oil through and can get away with less oil by volume.
07-21-2013, 06:33 AM
#38
RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: the pope
I agree and where Im from when its hot I fly totally naked . Mind you Ive been banned from 3 clubs already . Cant figure out why . Cheers from the pope
I agree and where Im from when its hot I fly totally naked . Mind you Ive been banned from 3 clubs already . Cant figure out why . Cheers from the pope
Hey, watch that turning prop when you bend over[X(]
07-21-2013, 06:46 AM
#39
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: 1QwkSport2.5r
Less oil = more combustible fuel = more power at the sacrifice of lubrication. Add more nitro and you get more volume of oil through and can get away with less oil by volume.
Less oil = more combustible fuel = more power at the sacrifice of lubrication. Add more nitro and you get more volume of oil through and can get away with less oil by volume.
Just to clarify the terminology.
07-21-2013, 08:52 AM
#40
Senior Member
RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
"You have to be really good with the needle if you're going to run 8% oil though; there isn't much room for error here"That's why we push the higher oil content, most guys are not too hip on setting the needles properly.
07-21-2013, 11:58 AM
#41
RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: SrTelemaster150
Actually the volume of oil remains somewhat constant as the lower % of oil @ the richer needle setting required W/higher nitro concentrtions will essentially deliver the same amount of oil ''volume''.
Just to clarify the terminology.
ORIGINAL: 1QwkSport2.5r
Less oil = more combustible fuel = more power at the sacrifice of lubrication. Add more nitro and you get more volume of oil through and can get away with less oil by volume.
Less oil = more combustible fuel = more power at the sacrifice of lubrication. Add more nitro and you get more volume of oil through and can get away with less oil by volume.
Just to clarify the terminology.
My assumptions are just that, so I'll try to verify those figures so I can have the right info out there.
07-21-2013, 01:31 PM
#42
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: the pope
Ive seen the same issue as FNQ with engines that run better with some castor , that's one of the reasons why Im a convert . As for running high lube content which = less power I read that its so negligible u don't need to worry about it . Most don't run flat out all the time anyway , want more power jam a bigger engine in there. Is the reason that people use low oil that there tightwads ? Whoes gonna have 3 or 4 different oil blends for different size engines ? Then theres different nitro blends so in the end you could have 6 different cans of juice . Not me but whatever !Yet to wear a engine out and it doesn't look like its gonna happen anytime soon . Cheers
Ive seen the same issue as FNQ with engines that run better with some castor , that's one of the reasons why Im a convert . As for running high lube content which = less power I read that its so negligible u don't need to worry about it . Most don't run flat out all the time anyway , want more power jam a bigger engine in there. Is the reason that people use low oil that there tightwads ? Whoes gonna have 3 or 4 different oil blends for different size engines ? Then theres different nitro blends so in the end you could have 6 different cans of juice . Not me but whatever !Yet to wear a engine out and it doesn't look like its gonna happen anytime soon . Cheers
try some 12 or 14% oil some time in your engine then try 20% oil and see if you have a 500 rpm increase..
07-21-2013, 01:35 PM
#43
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: 1QwkSport2.5r
I break my car engines in on 16-18% oil but drop off to 10-12% oil after a half gallon or so. The engines do not wind up as well on high oil fuel. Try running some 8% oil fuel versus some 18% oil fuel and you'll see easily a 500rpm difference; if not more.
You have to be really good with the needle if you're going to run 8% oil though; there isn't much room for error here...
ORIGINAL: jeffie8696
We push SIG 15% Champion with 20% oil in our store for use with RC Car engines and I see no oil related engine problems in the cars we have sold and serviced. Not a single engine has come back seized , busted or burn up.
We push SIG 15% Champion with 20% oil in our store for use with RC Car engines and I see no oil related engine problems in the cars we have sold and serviced. Not a single engine has come back seized , busted or burn up.
You have to be really good with the needle if you're going to run 8% oil though; there isn't much room for error here...
Quick I agree.
Jeffie8696 the reason you push that high oil is because most of your customers are new or not very experienced with running engines in cars. it saves them the hassle and saves you repair work. good all around but not for max performance...
07-21-2013, 01:37 PM
#44
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: fiery
I live in a ot climate.
It is mid winter where I am. I could fly wearing only my swim shorts and sandals if I wanted
My fuel is 10% Klotz synth; 10% castor oil, and balance methanol. No nitro-methane. I mix my own fuel and my engines run just fine. No flame-outs and good throttling. Not using nitro-methane is not an issue. Good tuning and plug selection is important.
Some club mates run fuel with full synth low % oil. In the climate we fly in they have suffered all sorts of problems. Many dead sticks and poor tuning.
Adopting a fuel with a full multi-viscosity lubricant in the package (good quality pure castor oil) has solved many of their issues.
This is my experience. I expect cold weather flyers may have a different requirement.
I live in a ot climate.
It is mid winter where I am. I could fly wearing only my swim shorts and sandals if I wanted
My fuel is 10% Klotz synth; 10% castor oil, and balance methanol. No nitro-methane. I mix my own fuel and my engines run just fine. No flame-outs and good throttling. Not using nitro-methane is not an issue. Good tuning and plug selection is important.
Some club mates run fuel with full synth low % oil. In the climate we fly in they have suffered all sorts of problems. Many dead sticks and poor tuning.
Adopting a fuel with a full multi-viscosity lubricant in the package (good quality pure castor oil) has solved many of their issues.
This is my experience. I expect cold weather flyers may have a different requirement.
Fiery this is a good point also. for the OP what may work well in one area may not be suited to another area. run what the locals are running and then move up or down from there for your needs.
07-21-2013, 01:44 PM
#46
Senior Member
RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: jeffie8696
''You have to be really good with the needle if you're going to run 8% oil though; there isn't much room for error here''That's why we push the higher oil content, most guys are not too hip on setting the needles properly.
''You have to be really good with the needle if you're going to run 8% oil though; there isn't much room for error here''That's why we push the higher oil content, most guys are not too hip on setting the needles properly.
I agree, but I'm not running glow ignition so the risk is considerably less. Unlike glow ignition the timing of the ignition event W/CDI won't vary due to changing A/F ratios, temperatures, etc. Also, W/CDI, the needle setting is "flat" for quite a range on the peak. (when the LSN is set properly) Usually there is 1/4 to 1/3 turn of the needle where there is no change in RPM as you lean the HSN out. I lean out the HSN past the max RPM point then back off to max RPM @ the richest setting of the aformentioned flat spot..
In the case of the 8% lube experiment? Since the nitro content was 30% the volume of fuel/lube mixture going through the engine was greater than W/15% nitro. Richer needle setting = more oil when the % of lube is constant.
I would feel comfortable W/10% lube W/15% or less nitro when CDI is employed.
Let me be clear before the flaming starts. W/glow ignition (GI) I would not go below the standard 17% lube Cool Power on the medium/large Saito engines. Saito recommends Cool Power so I stick W/a recommneded fuel mix when running GI.
That is also what I normally use in my CDI fired Saito engines. If I was in an area where I could get bulk methanol, then I would mix a 10% Klotz mix & might even try 0% nitro to see if the power was still up to stock GI spec's W/15% nitro.
10% lube W/0% nitro in a CDI fired Saito enngine would have vastly improved fuel economy over GI W/15% nitro. The lower the nitro the leaner the needle setting, the better the fuel economy. Even W/15% Cool Power my fuel consumtion drops by 20% (about 25% longer run time on a given volume of fuel) when CDI is emplyed.
My tests so far have resulted in about 6% m ore power over GI W/CDI using 15% Cool Power & my baseline power W/that same fuel & I has been very close to Saito's HP claims, usually within + or - 1/10 HP . I have achived similar results W/every Saito engine that I have run on both GI & CDI when the ignition timing was set @ the peak power value, usually around 34° BTDC.
07-21-2013, 02:34 PM
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
I run 18% synthetic and 2% caster.
Usually buy one gallon of 30% heli fuel nitro and 10% plane nitro at the local hobby shop and mix them together for the 20% nitro then add the extra caster.
Did that mainly for my YS engines by all my OS and Saito run equally well on the mix.
Looks like crap as the 30% heli is pink and the 10% is green and after they are combined turns brown, but as i said, never had an issue running that for ten years now.
Bill S.
Usually buy one gallon of 30% heli fuel nitro and 10% plane nitro at the local hobby shop and mix them together for the 20% nitro then add the extra caster.
Did that mainly for my YS engines by all my OS and Saito run equally well on the mix.
Looks like crap as the 30% heli is pink and the 10% is green and after they are combined turns brown, but as i said, never had an issue running that for ten years now.
Bill S.
07-21-2013, 04:23 PM
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: fiery
Flying in one's bithday suit? That must amuse your Eminence's loyal flying subjects
Flying in one's bithday suit? That must amuse your Eminence's loyal flying subjects
07-21-2013, 04:34 PM
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RE: How Much Oil Do You Run In Your 4stroke Glow Engine??
ORIGINAL: airraptor
I am not a tightwad there bud its called experience, my choice, and my hobby. LOL I can do as I like. I am always looking for performance. less oil means more power, better transition and better idle so why not do it. plus I don't have to wipe as much off of my plane.
try some 12 or 14% oil some time in your engine then try 20% oil and see if you have a 500 rpm increase..
ORIGINAL: the pope
Ive seen the same issue as FNQ with engines that run better with some castor , that's one of the reasons why Im a convert . As for running high lube content which = less power I read that its so negligible u don't need to worry about it . Most don't run flat out all the time anyway , want more power jam a bigger engine in there. Is the reason that people use low oil that there tightwads ? Whoes gonna have 3 or 4 different oil blends for different size engines ? Then theres different nitro blends so in the end you could have 6 different cans of juice . Not me but whatever !Yet to wear a engine out and it doesn't look like its gonna happen anytime soon . Cheers
Ive seen the same issue as FNQ with engines that run better with some castor , that's one of the reasons why Im a convert . As for running high lube content which = less power I read that its so negligible u don't need to worry about it . Most don't run flat out all the time anyway , want more power jam a bigger engine in there. Is the reason that people use low oil that there tightwads ? Whoes gonna have 3 or 4 different oil blends for different size engines ? Then theres different nitro blends so in the end you could have 6 different cans of juice . Not me but whatever !Yet to wear a engine out and it doesn't look like its gonna happen anytime soon . Cheers
try some 12 or 14% oil some time in your engine then try 20% oil and see if you have a 500 rpm increase..