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Another RCGF 10CC

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Old 02-16-2017, 01:18 PM
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Bcolici
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Default Another RCGF 10CC

Just saw it today,it has a rear exhaust. Awww man!
This makes it the 3rd one thats available.
With the rear exhaust i wouldnt of had to cut my cowl so much and have the muffler exposed.
Just might have to get one of these.

Last edited by Bcolici; 02-16-2017 at 01:22 PM.
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Old 02-16-2017, 03:41 PM
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Yea they released the 10cc re and a 35cc re
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Old 02-17-2017, 03:49 AM
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Saw that one too.
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Old 12-26-2017, 07:24 PM
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Hi guys,
Yes, Im also taken back by the new RCGF 10CC rear exhaust featured in the RCGF USA's website (rcgfusa.com). Cant believed they can squeeze the muffler and carburetor all in the rear, real cool! With this rear exhaust, I wouldnt have to make all those unsightly cutouts on the fuselage side to clear all that equipment. It should make for a much cleaner look, I cant wait to order mine. Ive been using nitro engines and am tired of all that messy exhaust, expensive glow plugs that dont last as long, and expensive glow fuel! Seems like a win-win option anyway you cut it!
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Old 12-28-2017, 02:13 AM
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Default 10 cc RE

Do some reading up on the Rear exhaust version before you click the buy button. A few have had tuning issues with it including me. Haven't really flown it as I've been flying bigger gas planes.
I might mess with it this coming season.
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Old 12-28-2017, 06:12 AM
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I have a 10cc RE I've flown quite a bit - and even though I eventually got it to the point I actually enjoy the way it handles, I would not recommend it.

Upside (other than the obvious very small foot print) is it has a choke and will flip start easily. Good throttle response, even in mid range.

Downside is, typical of the 10cc gassers, the fuel metering STILL isn't right. I wanted to try the Walbro pumper carb (actually not a Walbro, but very similar - ZAMA?). The issue with this one is the carb venturi is WAY to big for the engine displacement. Kind of like having 2 4 barrel carbs on a VW engine. The carb is very sensitive to both low and high speed adjustments. Move one, and the other must be compensated.

Eventually found the work around to civilizing the engine with this carb on it. The radio I use is capable of slowing down the servo response, like you would use on landing gear doors for scale appearance. I used that feature on the carb, slowing it's opening, which killed the huge bog it had when opening, and allowed a MUCH leaner low speed adjustment. Surprisingly, that slow down was not noticeable in flight. You'd never notice...

I hear the side exhaust engine with a completely different remote pump carb works pretty good, and may convert this rear exhaust engine to that setup
to see how that is. -Al
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Old 12-28-2017, 09:19 AM
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This is an interesting read as I've been toying with an idea....
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Old 12-28-2017, 07:38 PM
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ahicks

I'm wondering how a Evolution Gas Carb would work on the RCCF 10

https://www.horizonhobby.com/airplan...etor-evoe10gx2

Jim

Last edited by the Wasp; 12-28-2017 at 07:42 PM.
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Old 12-29-2017, 05:42 AM
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Most following for a while know I spent quite a bit of time messing with the baby Evo as well. My flying style dictates that I be pretty picky regarding mid range performance. That said, take this for what it's worth. That carb, while fine on idle and top end (which keeps many guys happy), seemed inconsistent in mid range on the Evo engine, so no love for it here.

The issue with that carb, and some others that are similar, is there is no seal between the idle mixture needle and the end of the spray bar. This leaves fuel drooling out the end of it around the idle mixture screw - as well as fuel coming from the slot in the spray bar - resulting in a sloppy mess being fed to the engine (my opinion). The fact these baby gassers are critical on their fuel metering seems to be lost on the designers here. What seems like a simple change (adding a seal) could be a game changer for that carb.

The later style Evo carb with the internal pump WAS an improvement over the original that used muffler pressure, but unfortunately, the rest of the carb parts carried over without change. That's my take anyway.... -Al
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Old 12-29-2017, 05:36 PM
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thank you ! some good info there for people looking to buy an Evolution engine,

now, if some company would come up with a Carb much like it but setup correctly they would be selling a lot of carbs in this hobby, Walbro Carbs are fine Carbs but bulky and heavy for smaller engines

Jim

Last edited by the Wasp; 12-29-2017 at 05:46 PM.
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