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HelicopterGasser Model RC HelicoptersEngines › Fuel Injection now available?
02-20-2014 08:28 PM  3 years agoPost 1
RM3

rrElite Veteran

Killeen, Texas - USA

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Well just got my copy of Model Aviation in the mail and the back cover has a ad for a fuel injected 62cc engine from Horizon Hobby...called the Surefire EFI on thier 62GXi...

the Fuel Injection system is apparently microporcessor controlled as they state its "uses finely tuned software and sensors"...

how long before this gets into gasser helis and makes tuning errors a thing of the past and automatic in flight tuning for optimal performance for us Gasser guys?

this is the most important advancement we could hope for as far as gassers go IMO.

Watch at YouTube

showing a preference will only get you into trouble, 90% of everything is crap...

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02-21-2014 12:49 AM  3 years agoPost 2
Gearhead

rrMaster

Vt

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cool, I have also seen vids of FI on Saws.. but look at the size of the computer box, you will also need more battery power. I guess if you were not worried about the extra weight it would be very nice if it works well on a heli

Jim
Buzz Buzz Buzz

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02-21-2014 02:21 AM  3 years agoPost 3
Tyler

rrElite Veteran

Chicagoland area

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Time for a logo 800 to efi gas conversion.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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02-21-2014 02:39 AM  3 years agoPost 4
fastflyer20

rrKey Veteran

N. Tonawanda, NY

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There was a good discussion on this topic on one of the other sites.

Tom
CAUTION - my posts are based on my experiences, yours may be different.

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02-21-2014 02:51 AM  3 years agoPost 5
RM3

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Killeen, Texas - USA

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The box you see in the foreground also contains the ignition system, considering the average size of a CDI, the one in the video is not that much bigger...

what is interesting is that this thing is running software....think about that for a second....

what makes FBL so special? its the software, and that quality is what makes it so versatile and effective.

in this case it allows the engine fuel mix to adjust on the fly given sensory input...and that will lead to flatter power curves if not more HP...epecially since its also acting in concert with the ignition....it may even prevent lean and rich running which is a cause of vibrations and engine failure...and allow for the easiest starting ever.

my guess is that it may have teething issues at first but I can already see it quickly evolving to where the software can be updated or changed to suit any particular application...just like our FBL systems.

the barrel just needs to be sized for a smaller engine.

I look foward to seeing the end results...even if swaping over to a new EFI carb may cost $$$.

showing a preference will only get you into trouble, 90% of everything is crap...

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02-21-2014 08:05 AM  3 years agoPost 6
Toddc72

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weed,ca-usa

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RM3

http://www.losi.com/Products/Defaul...ProdID=LOS05000

This car is coming with the same injection setup on it. Motor in it is a 29cc. You might be able to get this to work?

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02-21-2014 02:17 PM  3 years agoPost 7
RM3

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Killeen, Texas - USA

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its the same system..but in a 29cc...so it should work for any of the larger displacement engines like those starting at 26cc and up...All that would be needed is a Iso block machined to match the EFI and the intake on the engine...

Since the Cars and trucks that run these engines typicaly see RPMs in the same range as our helis if not higher, the EFI I'm sure will take over gasser helis very very soon....

Any Bets as to how long before Zenoah puts these on thier PUH/PUM or RC format engines?

I'm also willing to bet BH or TRM are drooling with the possibilities....especially for the boat/car guys where the midrange slump can be a problem with the hole shot.

showing a preference will only get you into trouble, 90% of everything is crap...

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02-21-2014 07:11 PM  3 years agoPost 8
balsabasher

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Central Ohio, USA

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More likely it will be on a Blade gasser sold through Horizon.

Blades; what goes around, comes around!

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02-21-2014 08:04 PM  3 years agoPost 9
RM3

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Killeen, Texas - USA

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You know...you may very well be right. that would ensure that anybodys first gasser is a Blade...E-Flight is very savy with the way they have been hooking thier future customers by first flooding the market with nanos and micros,...now the 550, 600 and 700...

wouldn't doubt it if some pro pilot is secretly testing a Blade 750G..

showing a preference will only get you into trouble, 90% of everything is crap...

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02-21-2014 08:08 PM  3 years agoPost 10
balsabasher

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Central Ohio, USA

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Well Jared, will you be testing one this summer?

Blades; what goes around, comes around!

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02-21-2014 10:02 PM  3 years agoPost 11
Toddc72

rrNovice

weed,ca-usa

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Iso blocks on the motors are the same in the 23 to 29.5 Zenoahs. This is mounted on a CY it says in the article of engine used. So iso block will be the same unless they redid a whole new intake port and mounting for it? I doubt that though, but you never know.

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03-06-2016 06:59 AM  19 months agoPost 12
SKYBORNE

rrNovice

Ottawa

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zenoah 26 fuel injection

Anyone know of fuel injection for a zenoah 26, i.e. single piston engine, small.

In the pipe, 5X5.

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03-07-2016 02:55 PM  19 months agoPost 13
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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yes, available here:

http://pcrcproducts.com/

however at least at this time its not financially practical

the last time I talked to them it sounds like they may be on the verge of a large commercial deal that would potentially make the solution more mainstream. But currently its a custom programmed solution costing several thousand dollars for each setup.

If you're not flying a gasoline helicopter
You're paying 10 times too much for fuel!!

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03-07-2016 04:35 PM  19 months agoPost 14
ICUR1-2

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Ottawa, Ontario

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It would be fun to make some thing using the arduino for EFI
I'm having a hard time coming up with what to use for an o/2 sensor and a m.a.p. sensor.

any ideas ?

spending time, paying attention

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03-07-2016 07:56 PM  19 months agoPost 15
SKYBORNE

rrNovice

Ottawa

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Hey ICUR1-1,

That's a great idea. I'm not sure either, I'd have to think about that.

In the pipe, 5X5.

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03-07-2016 09:13 PM  19 months agoPost 16
SKYBORNE

rrNovice

Ottawa

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THis might work.

Waiting to hear back from the contact Email I sent them.

http://www.ecotrons.com/products/2_..._injection_kit/

In the pipe, 5X5.

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03-07-2016 10:36 PM  19 months agoPost 17
ICUR1-2

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Ottawa, Ontario

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that's a good website. something tells me no matter what I try I'm still looking at $1k+ for an efi engine.

does that seem expensive ?

spending time, paying attention

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03-08-2016 01:57 AM  19 months agoPost 18
dbcaster

rrApprentice

Petaluma, Ca

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This is pretty cool, but not cheap. http://www.flyinggiants.com/forums/...ad.php?t=194163

Some arguments are sound and nothing more

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03-08-2016 02:20 AM  19 months agoPost 19
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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one of the issues with getting this to work is building the map for for the ECU. There are a lot of variables with these little engines as to how they are used so you pretty much have to custom map each application

pcrcproducts was several thousand dollars to build, tune and build the mapping.

If you're not flying a gasoline helicopter
You're paying 10 times too much for fuel!!

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03-08-2016 04:09 AM  19 months agoPost 20
turboomni

rrProfessor

East of the Equator

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I would think doing a map for a airplane with a certain range of props would be much easier than a helicopter with constant load and god knows what pitch at what rpms people will throw at it. Unless there is a control loop to smell/analyze the exhaust so the system can work to save the engine the FI will be as blind as a newcomer with the needles.
A map is a map. I would think in that it does something that was programed into it and blind to what is really going on . We need something that is intuitive on its own and the only way to do that is head temp sensor at least or a exhaust sensor in a loop with a map and preferably both.

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

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