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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › What about gasoline or multi-fuel engines for our helis now?
06-02-2011 01:31 AM  8 years ago
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Mikerobe

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Green Turtle Cay,Abaco, Bahamas.

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What about gasoline or multi-fuel engines for our helis now?
Will we ever see a gasoline or multi-fueled engine for our helis with some of the following features:
Operating at higher RPM than weedeater engines,
Bolts right in to existing 60-90 chassis,
Fuel Injection (maybe),
Multi-Cylinder,
Integrated Ignition system,
Integrated Starter (recoil, electric),
Integrated Fan, Flywheel, just bolt on clutch,
Just to name a few?
The lot I got is not a lot, but I thank God a lot for the lot I got!
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06-04-2011 02:12 AM  8 years ago
Mikerobe

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Green Turtle Cay,Abaco, Bahamas.

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Wow! 45 people have viewed this post without commenting. Must've said something wrong.
For "$700.00" you could get a really nice engine!
The lot I got is not a lot, but I thank God a lot for the lot I got!
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06-04-2011 04:40 AM  8 years ago
Zaneman007

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Texas - USA

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I 'll bite
Do you understand why a dragster uses nitro-methane and not gas?
Do you understand torque?
Do you understand why stuff is made in china?
Do you understand minituritaztion?
All for 700 dollars.

Just three words.

Get a grip!

P.S. Just my opinion.
Old Guys Rule!
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06-04-2011 10:35 PM  8 years ago
payne1967

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uk

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try running your gasser engine on nitro fuel
and report back to how much extra performance you get
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06-05-2011 02:43 AM  8 years ago
Gearhead

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Vt

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I got 2 (straight) Methanol Engines,, does that count, 1 is 22cc the other is 44cc (twin),,

I can burn,,

straight Methanol,

or straight Gasoline (if I had an ignition),,, they got "Rod Bearings",

I can burn,,

half Gasoline half Meth,,,,,, with a Glow Plug or w/ Ignition

or, 1/3 Meth with 2/3 Gasoline,,, with a Glow Plug or w/ Ignition

or,,

Meth mixed with Nitro,,,, IF I lower the compression

Gasoline mixed with Nitro,,,, w/ Ignition and lower the compression,

or a mix of Gasoline/Meth/Nitro,,, w/ a Glow Plug or w/ Ignition

or Corn Fuel,,, w/ Ignition

or Denatured Alcohol,,, w/ Ignition

or Corn Fuel mixed w/ Denatured Alcohol,,, w/ Ignition,

or Denatured Alcohol or Corn Fuel mixed w/ Gasoline, or mixed with Meth, or mixed with Nitro,

or I can mix it all..

did I leave anything out ??
Jim
Buzz Buzz Buzz
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06-05-2011 06:18 PM  8 years ago
Smok

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Antwerp, Belgium

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"Meth mixed with Nitro" - OMG, that must be a kick
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06-06-2011 02:39 AM  8 years ago
Gearhead

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Vt

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""Meth mixed with Nitro" - OMG, that must be a kick""

well actually it would with these Engines, stock you can not run over 2 or maybe 3% Nitro at the most because of it's high compression (11 to 1),, even adding just 1 shim you couldn't run much over 10 or 15% at most,, if you wanted to run 30% you may need to add 2 more shims, but thats way to much
Jim
Buzz Buzz Buzz
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06-06-2011 05:29 AM  8 years ago
GREYEAGLE

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Flat Land's

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If You Hang In The Gasser Section for a BIT : WE CAN SHOW YOU
HOW to Run Em on HOT DOG WATER : Coleman White GAS or OSZARK or what ever Granny brewed last nite
greyeagle
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06-06-2011 01:14 PM  8 years ago
Mikerobe

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Green Turtle Cay,Abaco, Bahamas.

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It would seem that my post has been "highjacked"!The lot I got is not a lot, but I thank God a lot for the lot I got!
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06-06-2011 02:01 PM  8 years ago
Swoop

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Newark, DE USA

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How bout a electric gas hybrid. Long flight times, but no performanceChris
X50, B320, Radix, Spartan
Titan,Kasama,MP5,Radix,JR770
Trex450SE,MavrikkG5,Phoenix35
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06-06-2011 08:13 PM  8 years ago
Gearhead

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Vt

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""It would seem that my post has been "highjacked"!""

LOL not at all, let me give it a better try,, hold on,,
Jim
Buzz Buzz Buzz
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06-06-2011 08:54 PM  8 years ago
Gearhead

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Vt

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""Operating at higher RPM than weedeater engines""
""Bolts right in to existing 60-90 chassis,""

you can pretty much put these 2 together,, you really don't need an Engine that revs higher than a Glow Engine or a Weedeater Engine, because you can change Gearing, so there we just need a more powerful engine, you can go bigger, but that usually means more weight and more Fuel, and it won't be a bolt in fit for a 60-90 class heli,,
----------------------------------------------------------------

""Fuel Injection (maybe)""
there are Fuel Injection Glow Engines out there today, only 4strokes that I know of and a 70 size Injection Engine is like $900,, subtract the price of a good 55 or 56 from that $900 and you got a good amount of cash for Nitro Fuel
-----------------------------------------------------------------

""Multi-Cylinder""
here too, you can buy them in both 2 and 4 stroke for Glow in size from 90 and up and you could convert them to Gasoline or Straight Methanol
-----------------------------------------------------------------

""Integrated Ignition system""
got em
-----------------------------------------------------------------

"Integrated Starter (recoil, electric)"
recoil) got em for all Weedeaters and 32 size Glow, don't got them for 50's and up Glow but they would be good for scale and just flying around haveing fun,,

Electric) got them for Glow Airplanes and big Gasser Scale Vario's, not sure about the Glow Vario's
-----------------------------------------------------------------

"Integrated Fan"
Electric Fan, Compass got em on their 90
-----------------------------------------------------------------

"Flywheel, just bolt on clutch"
the Clutch Shoe on today's Glow Helis is used a the Flywheel,, and all Weedeater Engines have Flywheels
Jim
Buzz Buzz Buzz
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06-06-2011 10:33 PM  8 years ago
Crashr30

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DFW

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Some ideas
At one time OS offered for a period of time a green fuel for a "green" engine. Never took off over here and probably does not exist anymore.

Webra offered a converted .91 as a gasser and it was a disaster. You can look on here and see some of the posts about it. Not sure they ever ran for very long.

An electronic fuel injection is very expensive and i really do not want to ball one up in a crash.

Any gaseous fuel would be exciting. Propane or CNG. Like to see that crash. There are now Propane weedeaters.

Closest thing to a new fuel will probably be electrons. Seems everyone is going there.

I could see a greener fuel down the road that is actually practical if electric does not take over but I bet in the next 5 years it will be 70% to 80% electric if not more.
Team Synergy RC, Team Bobby Jacks, PowerMaster Fuels, Team Scorpion, YS Engines
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06-07-2011 01:02 AM  8 years ago
Santiago P

rrProfessor

Dayton

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Will we ever see a gasoline or multi-fueled engine for our helis with some of the following features:
Operating at higher RPM than weedeater engines,
Bolts right in to existing 60-90 chassis,
Fuel Injection (maybe),
Multi-Cylinder,
Integrated Ignition system,
Integrated Starter (recoil, electric),
Integrated Fan, Flywheel, just bolt on clutch,
Just to name a few?
For "$700.00" you could get a really nice engine!
Where do we begin?
For true Multi-fuel:
-real electronic direct injection is needed.
-add a octane, or cetane censor to use heavy fuels (Kerosene, diesel, JP-A, etc)
-electronic digital ignition
-a smart ECU
-use materials that can take or operate at higher temps, or add liquid cooling

Try more like $3000, if someone puts on the $100K to do the researh and design. The technology is not there to make a cheap $700 for the masses.
Webra offered a converted .91 as a gasser and it was a disaster.
Perfect example ^^^ of things gone to caca. That's why you just can't convert an engine without the proper R&D.

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06-07-2011 02:58 AM  8 years ago
Gearhead

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Vt

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(in the end) Webra did increased that 15cc gasser to 20cc, I would hope with Webra prices it was a better and more powerful Engine than the DL 20ccJim
Buzz Buzz Buzz
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06-26-2011 08:53 PM  8 years ago
Mikerobe

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Green Turtle Cay,Abaco, Bahamas.

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Now! To get this post back on the right track!!
I am of the opinion that there is more than enough knowlege, experience and manufacturing capability to manufacture an engine like this.
I am also of the opinion that this would be one of the single most significant occurences of the hobby and would satisfy a very large market. Gasoline, glow and even, yes even some of the electric fans.
It would remain to be seen what it would or could do the glow fuel market (a whole new can of worms here)!
Not to bash, but I can't imagine flying my heli without the smell of some sort of fuel, be it gasoline, white gas, glow especially "Byron's and all-beit kerosine!
The lot I got is not a lot, but I thank God a lot for the lot I got!
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06-27-2011 12:04 AM  8 years ago
Bogdan

rrApprentice

Netherlands

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Reported that for O.S. max 91 HZ-R 3D:
Output: 3.6 hp @ 15500 rpm
Practical RPM Range: 2,000-16,500
Weight (w/o Muffler): 21.2 oz (603 g)

That is approximately 6hp/kg!!!!!

In my opinion the only thing needed would be a proper controller for the fuel mixture and glow/ spark ignition to make to make that power available when you need it. Eventually an exhaust temperature sensor and the governor sensor could provide enough feedback for that.
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