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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Tried SEF94 today
03-31-2012 02:24 AM  7 years ago
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Eury

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Dover NH USA

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Tried SEF94 today
I saw a few cans of SEF94 40:1 in a local store yesterday. So I decided to pick some up and give it a try. I normally run Coleman at 40:1 with Mobil MX2T on a stock 231PUH. So I decided to run a few tanks back to back.

I like it, but not enough to buy more. It has a little stronger smell than Coleman, and of course does not have that delicious cooking smell while flying. Engine starting was the same between the 2, my engine always fires right up. It has a smoother idle than the Coleman, with transitions up and down the rev range about the same. It did take some tuning to get it perfect compared to the Coleman, it liked to be just a hair leaner on the SEF.

Power wise, it was about the same. I really didn't notice much difference, it does seem to recover a tiny bit faster between maneuvers, but the difference is minor, if you flew the 2 fuels back to back I doubt you'd notice any difference in the air. With both fuels I can do fast sustained tic-tocs for as long as I want, but the SEF does seem to run just a hair more consistent and not get bogged down quite as much.

The biggest difference is in the idle. It is really smooth and consistent, not that the Coleman runs poorly, but at idle it definitely likes the SEF much much more.

Is it worth it? Not for that price. I paid $7 for a quart of it, or about 3 times what the equivalent quantity of Coleman costs. I know you can get it in 5 gallon quantities, and if I find a place locally where I could get that for $50-$60 I might be willing to buy it compared to COleman just for the convenience of having everything mixed and the smoother running. But not at the price I had to pay to get the Quart I have.
Nick Crego

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03-31-2012 02:48 AM  7 years ago
rbort

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Franklin, MA - USA

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Good to hear your report Nick
+1 on your opinions

Could you possibly compare it to regular pump gas as coleman has a much bigger difference in octane to SEF.

-=>Raja.
MA 1005 Hanson 280, 4264 flts
Spectra 27 3DMax, 3386 flts
Whiplash V1-2 Hanson 300, 1797 flts
Whiplash V2 Hanson 300, 686 flts
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03-31-2012 04:20 AM  7 years ago
turboomni

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East of the Equator

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The biggest difference is in the idle. It is really smooth and consistent, not that the Coleman runs poorly, but at idle it definitely likes the SEF much much more.
My hat is off to you to run Coleman successfully ..I tried Ozark and Coleman years ago and I had a hard time making it work. I was rather new to gassers then too so I really didn't know what I was doing. But I remember the idle was a big problem for me on Coleman or Ozark. I went to 87 pump and it was better at idle but I still had a lot to learn.
Try 87 pump and see if it is as good as SEF.
Setup is everything, All my heli's can fly far better than I can pilot them
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03-31-2012 12:46 PM  7 years ago
Eury

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Dover NH USA

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Nope, not putting the smelly stuff in anything I own. I don't need my wife bitching at me again. If I only had to choose between 87 and SEF, I'd gladly pay the extra to avoid the lecture.Nick Crego

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03-31-2012 05:31 PM  7 years ago
rbort

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Franklin, MA - USA

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Eury
Not saying use it permanently, just test it a day on the field like I tested SEF. You can always 'flush' the helicopter with a tank of SEF or coleman before coming home and the smell will change just like I noticed the SEF smell myself which I personally didn't like that much, did not resemble any hot dogs as you say

-=>Raja.
MA 1005 Hanson 280, 4264 flts
Spectra 27 3DMax, 3386 flts
Whiplash V1-2 Hanson 300, 1797 flts
Whiplash V2 Hanson 300, 686 flts
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03-31-2012 05:45 PM  7 years ago
Eury

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Dover NH USA

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Nah, not going to do it anytime soon. With my move to a condo all of my power equipment is in storage, so id have to store it in my home until i burned it all or try to burn it in a day. I've run 87 quite a but, I ran it exclusively for a couple years in my 1005 and Pre. It runs great and is cheap. Im willing to pay more and sacrifice some power for a happy home.Nick Crego

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03-31-2012 06:11 PM  7 years ago
rbort

rrProfessor

Franklin, MA - USA

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I was gonna say
Fill one of those SEF quart cans with gas and do it but its OK no worries.

I also noticed "Tru Fuel 4 cycle with TF3" advertised in a flyer on sale for $4.97 a quart at Do it Best Hardware store. They also have it premixed at 40:1 and 50:1 READY to use.

Looks like they are pushing that stuff for the homeowners in there weedwackers and chainsaws.

-=>Raja.
MA 1005 Hanson 280, 4264 flts
Spectra 27 3DMax, 3386 flts
Whiplash V1-2 Hanson 300, 1797 flts
Whiplash V2 Hanson 300, 686 flts
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03-31-2012 06:16 PM  7 years ago
Eury

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Dover NH USA

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Yeah, I saw that at Home Depot the other day. They wanted $6 a quart for it. It needs to be down around 3-4 for me to justify over Coleman.Nick Crego

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04-05-2012 05:13 AM  7 years ago
turboomni

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East of the Equator

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Yeah, I saw that at Home Depot the other day. They wanted $6 a quart for it. It needs to be down around 3-4 for me to justify over Coleman.
It won't come down in price especially with the price of transportation fuel now going up and the price of putting such a small amount of fuel in such a pretty little painted can goes up in price. Very pretty can though!!
As i said I could not tell a difference in idle quality either between sef and pump gas.
If anything the pump gas with penzoil 100% marine synthetic won overall by a very small margin!!.
Setup is everything, All my heli's can fly far better than I can pilot them
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04-05-2012 02:50 PM  7 years ago
electro212

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Lancaster Pa

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they do sell it in a 5 gal bucket
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04-05-2012 03:53 PM  7 years ago
VKGT

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Sanford, NC

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Great write-up! Thanks for posting, it is a lot easier to read your results than the other thread that was diluted with a mix of nastiness.
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04-05-2012 04:04 PM  7 years ago
Eury

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Dover NH USA

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If I see the 5 gal cheap enough locally I'll buy some more. But I'm not willing to pay more than $50 or so for it.Nick Crego

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04-05-2012 04:07 PM  7 years ago
ppridday

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Detroit Lakes MN

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Anyone tried the Coleman with the Pennzoil 100% synthetic? I have heard that it is about the best oil for a gasser.

I as well do not need the last ounce of performance out of my gasser as I generally just bimble around the sky and shoot autos with it (for 1/2 hour )

Last weekend I went out to the field and the gas stink is still in my car...

Paul

edit: I am running a Hanson 3D Max Pro...
"There's someone in my head, but it's not me..."
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04-05-2012 04:18 PM  7 years ago
Carey Shurley

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Orlando, FL - USA

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a number of folks are using Lantern fuel with the Pennzoil as well as other oils with a lot of success.

probably hard to prove that one oil is the end all, I've seen reports that some oils leave no deposits and other reports that the exact same oil in the same ratios, left piston deposits. All the fuel has carbon in it, there will eventually be deposits no matter what.

I have been shown some dyno results that indicate that lantern fuel may not drive the ultimate performance out of the motors but no question its one way to keep the smell down.

there is another category of specialty fuel, some of which is premixed that is just starting to surface. lots of discussion from the user community as to its results and value
Proprietor - Gas Powered Helicopters
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04-05-2012 06:40 PM  7 years ago
James Kovach

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canton, oh - US

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Eury's experience with SEF vs Coleman pretty much echos mine. Better idle. Takes a load better, his reference to SEF not bogging down as much during sustained Tic Tocs. Recovers from being loaded better. Additionally I noticed that it transitioned better.

Those same things I noticed with my experience when going between Gas and SEF as well.

Is the fuel worth $7 a quart? Well, that is up to the individual. I personally would not pay that much for it. I would most likely stick to Coleman if that were the case. I would be willing to sacrifice some power/performance to not have to deal with Pump Gas and the smell of it. Fortunately for me, I can get SEF for damn near the same price as Coleman. No gas smell and as good or better power and performance as Pump Gas.
*disclaimer: These are my opinions. Agree or disagree, Your Call :)
Let'r Rip Tator Chip
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04-06-2012 01:29 AM  7 years ago
Mr.HillBilly

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Salesville, OH - USA

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Check Walmart they have it for $4 a quart by me.
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04-06-2012 02:11 AM  7 years ago
rbort

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Franklin, MA - USA

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So...
$4 a quart or $4 a gallon then. Hillbilly, you should find the place where they sell 5 gallon buckets in Ohio, it will be a better deal for you for sure.

-=>Raja.
MA 1005 Hanson 280, 4264 flts
Spectra 27 3DMax, 3386 flts
Whiplash V1-2 Hanson 300, 1797 flts
Whiplash V2 Hanson 300, 686 flts
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04-06-2012 04:32 AM  7 years ago
electro212

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Lancaster Pa

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04-06-2012 04:45 AM  7 years ago
turboomni

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East of the Equator

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Eury's experience with SEF vs Coleman pretty much echos mine. Better idle. Takes a load better, his reference to SEF not bogging down as much during sustained Tic Tocs. Recovers from being loaded better. Additionally I noticed that it transitioned better.
I agree with you sparx,,,that was my experience with Coleman vs 87 Pump Gas!! Idle was much better.! I could not get my engine to idle well with Coleman. Eury has me beat on that one. My pump gas seems to take being loaded better as good as Sef too. If not better. By a very small margin.
My transitions were not noticeable with either fuel. Gas or SEF.
My price per gallon is high 3 bucks for pump piss with ethanol. No problems. I fired up my Spectra a few days ago,,after being in storage since October,,my Hanson 29cc is really flying well,,,better than me on still my old October pump fuel!
I will say this ,,if you have problems and your fuel is pump gas or COLEMAN,,, Sef will not solve your problems if you have any. Only If your heli runs well and happy then try SEF and see if it helps at all. If it doesnt help fine.lets hear from you. If it helps let's also hear from you.
Setup is everything, All my heli's can fly far better than I can pilot them
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04-06-2012 04:56 AM  7 years ago
turboomni

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East of the Equator

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if you flew the 2 fuels back to back I doubt you'd notice any difference in the air.
That is the bottom line I also found also.
Setup is everything, All my heli's can fly far better than I can pilot them
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