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HomeAircraftHelicopterGasser Model RC HelicoptersOther › SEF 94 Rox!
11-09-2011 11:04 PM  6 years agoPost 61
rocket_33

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Mount Pleasant, Michigan USA

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I am heading end of this week to pick up some SEF 40 to 1, and 50 to 1. Will let you know what current prices are

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11-10-2011 12:41 AM  6 years agoPost 62
James Kovach

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canton, oh - US

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No where did I stay anything about this fuel being good due to the higher octane rating.

As for turboomni's question spam fest, I have already answered all those questions in previous posts.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 12:47 AM  6 years agoPost 63
Gearhead

rrMaster

Vt

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""Nitro 30% is cheaper than this stuff and makes ALOT more power""

yee-up, that's there true my heli friend ""ALOT more power""

but with Methanol/Nitro you need to open your Needs 40% more

Jim
Buzz Buzz Buzz

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11-10-2011 12:58 AM  6 years agoPost 64
Gearhead

rrMaster

Vt

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the prices of the SEF 94 will vary across the US, it depends how greedy the Shop is and how far it is from the Manufacture,,

just Like sparx paid less for it than it wouuld cost him here, if I drive 80 miles and buy a Case of Glow, I will save $50 over my Loco H-Shop price

Jim
Buzz Buzz Buzz

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11-10-2011 01:26 AM  6 years agoPost 65
turboomni

rrProfessor

East of the Equator

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No where did I stay anything about this fuel being good due to the higher octane rating.
Why is it better then in your mind?
Why do you think it makes more power? The oil??
As for turboomni's question spam fest, I have already answered all those questions in previous posts.
Sorry about that LOL!!

Setup is everything, All my heli's can fly far better than I can pilot them

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11-10-2011 02:21 AM  6 years agoPost 66
Gearhead

rrMaster

Vt

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actually sparx pretty much said what indycustombikes said, and what I said I was told at the saw shop here,,

>this fuel, works better than others when the Temperature of the Engine is high,, so with that> if you run your Engine much cooler than sprax does, you may not find a real need for this Fuel,,

so the question is, do you run your Engine as hot a sprax does ??

Jim
Buzz Buzz Buzz

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11-10-2011 02:38 AM  6 years agoPost 67
turboomni

rrProfessor

East of the Equator

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so the question is, do you run your Engine as hot a sprax does ??
I guess that may be what it all boils down to.
No I do not and most of the summer I am abit over 1000 feet above sea level and the temps rarely go much over 80.
So I don't need it! I would think the guys down south like Texas in the summer would maybe need it. As for the alcohol in pump gas , I haven't had a problem. I always empty the tank and purge the carb of fuel. Except for a few carb screens my carb is original and in good shape since 2007 running 87 pump gas with 10% alcohol.

Setup is everything, All my heli's can fly far better than I can pilot them

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11-10-2011 02:39 AM  6 years agoPost 68
James Kovach

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canton, oh - US

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^^^^^
What that Gearhead dude said

If you are flying Loops, Rolls and such... Raja Style... then you will most likely not see any advantage to running this fuel.

I do not know if saying "makes more power" is the right way to state what makes this fuel good in my opinion.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 02:40 AM  6 years agoPost 69
James Kovach

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canton, oh - US

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Sorry.. but it has nothing to do with Ambient temperature.

And ethanol does not just harm small engines. It does take away from performance.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 03:03 AM  6 years agoPost 70
Gearhead

rrMaster

Vt

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sparx,, sounds like this Fuel would have been really good for a Ford back in the early 80s LOL

Jim
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11-10-2011 03:10 AM  6 years agoPost 71
James Kovach

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canton, oh - US

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I will simply say one thing.

Throttle Response.

I really did not know how badly the throttle was lagging until I tried this fuel.

Again, if you have no need for quick and snappy throttle response, then you will not see the one of the big benefits of this fuel

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 03:10 AM  6 years agoPost 72
turboomni

rrProfessor

East of the Equator

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Sorry.. but it has nothing to do with Ambient temperature.
Why not?
I would think flying in the mid to upper 90 degree weather would make it overheat easier than at 60. And they make more power when it's colder.

Setup is everything, All my heli's can fly far better than I can pilot them

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11-10-2011 03:14 AM  6 years agoPost 73
rbort

rrProfessor

Franklin, MA - USA

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More explanation?
Throttle response? In thinking of how you fly, when you're jamming the stick around the head is bouncing around between 2100 when you start the maneuver and 1800 when you finish.

So how does the throttle response change? Does that mean its slower to bog?

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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11-10-2011 03:21 AM  6 years agoPost 74
James Kovach

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canton, oh - US

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Why not?
I would think flying in the mid to upper 90 degree weather would make it overheat easier than at 60. And they make more power when it's colder.
Because I am not talking about the heat in the engine from its surroundings. I am talking about the heat in the engine from being loaded up.

Will higher octane help in a hotter climate, sure. But that is not the aspect that I am talking about.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 03:27 AM  6 years agoPost 75
James Kovach

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canton, oh - US

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Throttle response? In thinking of how you fly, when you're jamming the stick around the head is bouncing around between 2100 when you start the maneuver and 1800 when you finish.
So how does the throttle response change? Does that mean its slower to bog?
-=>Raja.
I would not expect you to understand it Raja. You are so hung up on maintaining a constant RPM thru the entire flight, that you probably do not grasp the concept of "throttle response".

You have stated time and time again that you do not see the benefit of running at 2100 RPM and falling off to 1800 RPM when you load up HARD. So I honestly do not expect you to understand the concept of how an engine responds when you are going between WOT and "Hovering Throttle". With how you fly, you will not see any delay in the engines throttle response.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 03:45 AM  6 years agoPost 76
turboomni

rrProfessor

East of the Equator

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Will higher octane help in a hotter climate, sure. But that is not the aspect that I am talking about.
Fact remains that you work a motor when it 60 degrees and then work the motor the same way at 95 degrees the motor will run hotter.
You've heard the old lady's Oldsmobile pinging like mad at part throttle going up a hill in mid summer and in the fall it doesn't ping on the same hill.
I think ambient temp really has alot to do with performance on a IC engine

Setup is everything, All my heli's can fly far better than I can pilot them

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11-10-2011 03:46 AM  6 years agoPost 77
James Kovach

rrKey Veteran

canton, oh - US

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And here is a little bit more to show you what I am talking about.

Here is Nick Maxwell flying a 90 Nitro. I have not analyzed the video yet to see what his gov RPM is set at, but my guess is around 2050. Now watch the blades. He spends a lot of time going from his higher Gov'd RPM falling to 1800ish RPM... ie: when the blades stop in the video. When he is loading the heli up hard, the RPM will fall. That is the nature of 3D flight. That is where collective management comes into play. Knowing when you can jam it and when to let it breath. When to load it and when to recover. This is ALSO where Throttle Response becomes VERY important!

Watch at YouTube

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 03:48 AM  6 years agoPost 78
James Kovach

rrKey Veteran

canton, oh - US

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Fact remains that you work a motor when it 60 degrees and then work the motor the same way at 95 degrees the motor will run hotter.
You've heard the old lady's Oldsmobile pinging like mad at part throttle going up a hill in mid summer and in the fall it doesn't ping on the same hill.
I am fully aware of this. And again, it is not an aspect I am talking about.

I can see my engine temps in real time. I know how my engine temps change during flight and how it differs from one "type of flying" to another.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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11-10-2011 03:55 AM  6 years agoPost 79
turboomni

rrProfessor

East of the Equator

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Does your new fuel handle hot weather better than the other fuels you have been using in the past?

Setup is everything, All my heli's can fly far better than I can pilot them

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11-10-2011 04:05 AM  6 years agoPost 80
James Kovach

rrKey Veteran

canton, oh - US

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Look... you tell me.

70F.

Coleman: Hovering 250F , Circuits 290F , 3D/Heavy Loading 360F
87 Pump Gas: Hovering 250F, Circuits 290F, 3D/Heavy Loading 360F
SEF: Hovering 250F, Circuits 285F, 3D/Heavy Loading 340F

All run on the same day. No significant difference until you are really working the engine HARD!

Goto a 50F day, all these numbers will drop sure. But the all drop pretty much linearly.

Across the board..... SEF had better Throttle Response.

** I did not write down the exact numbers. But these numbers show you what I am trying to say. I would say they are within +/- 10F

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
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