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RE: RCGF Engines - 6/10/2012 2:45 PM   
Heli-NuBee


 

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From: Fresno, CA, USA
Status: online 		Hey Joe,

I'm looking forward to seeing the new twin 60.

Roger

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RE: RCGF Engines - 6/11/2012 4:50 AM   
Captmicom


 

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From: Sierra Vista, AZ, USA
Status: offline 		Hey All,

Well here it is the New RCGF 60cc twin!! The photos are not the best but you can get an idea of what it looks like. Some of the important measurements are: Jug top to Jug top is 8.25 inches and prop hub the motor back plate is 5.75 inches. I did a test fit in a 50cc size Gold Wing Raven and it looks like it will fit. I will keep you all posted as we beta test this engine.



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RE: RCGF Engines - 6/11/2012 4:53 AM   
Captmicom


 

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Status: offline 		More photos they are to large for me to put too many on at a time.....



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RE: RCGF Engines - 6/11/2012 4:59 AM   
Captmicom


 

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RE: RCGF Engines - 6/14/2012 2:54 PM   
ICEM@N


 

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From: Bauru, BRAZIL
Status: offline 		I bought a RCGF 20cc "Beam Mount" , to install in my Kyosho Mustang 90 ! Do anyone have experience with this engine ? Is that a good one ? Will a 3 blade 16x8 be a good prop to this assembly ?

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RE: RCGF Engines - 6/14/2012 7:06 PM   
acerc



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Status: online 		I have the 20cc in a profile plane. The three best props for me is 15x8, 16x7, and 17x6. I like the 17x6 the best but that's because the plane is a 3D flyer not a fast flyer.  The 16x8 will be a bit to much.  If it was me I would start with a 15x6 three blade then try the 16x6. Just don't try to take-off all at once. Gain speed gradually at take-off.

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RE: RCGF Engines - 6/14/2012 11:16 PM   
Lifer


 

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Status: offline 		Can anyone give me a recommendation on a propellor for an RCGF 15cc? It will be used on a Hangar 9 .60-sized Spitfire. Thanks in advance.

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RE: RCGF Engines - 6/15/2012 4:47 AM   
ICEM@N


 

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Status: offline 		Thanks ACE ! But can I test it with the 16x8 3 blade ? what would be the fly ?

Ice

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RE: RCGF Engines - 6/15/2012 4:35 PM   
yearnin to Fly


 

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Status: offline 		Does anyone know of any dealers, or anyone for that matter who still carry parts for the 20cc rear carb rcgf engines?

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RE: RCGF Engines - 6/15/2012 4:39 PM   
ahicks


 

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Status: offline 		Who have you tried?

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RE: RCGF Engines - 6/15/2012 6:50 PM   
yearnin to Fly


 

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quote:

ORIGINAL: ahicks

Who have you tried?

Its all taken care of. I got ahold of a dealer and should have the parts I need for 2 of these engines soon.

THANKS!!

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RE: RCGF Engines - 6/15/2012 10:06 PM   
Texastbird


 

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Status: offline 		Iceman, I would try a 2 blade first. Three blade wouldn't look right on a Mustang anyway.

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RE: RCGF Engines - 6/23/2012 10:00 AM   
ICEM@N


 

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Status: offline 		wouldnt look right ??? why ? thats a scale model ? 2 blade woudnt look right !

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RE: RCGF Engines - 7/8/2012 5:56 PM   
Lou Melancon


 

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From: Cumming, GA, USA
Status: offline 		Ordered an "RCG 30 cc" engine from Hobby King Friday night June 29th. Cost delivered to my home on Friday July 6th, $255. Here is what I got:



Notice it does say it is an "RCGF" engine.

I built a test stand to run it and got a gas container so I could learn how it works:





Before running the engine for the first time the backplate with the carburetor was taken off (and warranty voided in process) to check inside of engine. All looked good but very dry. Dribbled a couple of drops of oil on crank pin, wrist pin and cylinder walls below piston skirt. New NGK CM6 plug purchased and installed then engine mounted to test stand.

Included with the engine were the ignition module, plastic wrap to cover the wiring, mounting standoffs, muffler and needed bolts. A NiMH 3500 Mah 4.8 volt battery was charged up to use for the first run.

Engine choked, throttle opened and on fifth flip got a blip of ignition. Opened choke, set throttle to idle and on fifth flip it fired up.



You can see a couple of things in the above photo. First there is no information on the front of the cylinder and case indicating the brand of engine. Second you can also see the oil and exhaust residue on the wood after the first 10 minutes of running.

This weekend the engine was run four times for a total time of one hour and burned approximately 40 ounces of fuel in the process. Most of the time the engine was set to a specific rpm and allowed to run. Initially it was limited to 3,500 that was increased in stages to 5,500. During the last run the engine was tested for high and low end. Best rpm with the SOAR 18X8 prop was 7,500 and low end reliable idle was 1,850. Outside temperature in the low 90s with 40% relative humidity. No adjustments have been made nor needed to any of the needle settings.

After an hour of running the engine still has more vibration than I expected. That may be from the prop. It may not be perfectly centered. Another prop will be tried to see if it makes any difference. The engine was run with a mixture of 30:1 gas to oil. Operating temperature at the spark plug, using an Ofna hand held infrared meter, showed about 350-400 degrees. At the edge of the head it was a shade under 300 and low on the cylinder it was about 240. The Ofna gauge being old, seldom used and with a low battery may not have given accurate readings.

Next steps are to run another hour on the bench. Then switch to 40:1 gas to oil ratio using synthetic.

So far the engine is excellent. I am happy with it.







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RE: RCGF Engines - 7/8/2012 9:25 PM   
ahicks


 

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Status: offline 		Not that it makes that much difference on a test stand, but the "black crap" is generally thrown out from the muffler located 180 degrees from the way yours is? That get the residue out far enough where the prop does a much better job of keeping it off the engine/plane.

I'm curious though. Was there anything supplied with that engine stating specifically what size it is? Is there a possibility it could be the newer 32cc? -Al

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RE: RCGF Engines - 7/8/2012 9:59 PM   
sailr


 

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From: Land O Lakes, FL, USA
Status: offline 		dark residue is normal for quite some time until the engine is broken in. I have a 26 or 28cc rcgf engine and it seems to run fine, No worries. Just don't EVER buy an SV engine!@!

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RE: RCGF Engines - 7/9/2012 12:38 AM   
Lou Melancon


 

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From: Cumming, GA, USA
Status: offline 		Dear AHICKS,
I wondered if it could be a 32cc but the only indications were the Hobby King product description, and the labeling on the box, both of which say it is a 30cc.

The RCGF web site differentiates in the warranty section between "local" resellers in China and authorized distributors like BP Hobbies. Apparently the engines manufactured for local sale do not carry the manufacturer's warranty and probably will not be the latest and greatest design. My best guess is that the engine is indeed an earlier design and is 30cc.

If I were purchasing again I would likely buy from Captmicom or BP Hobbies not so much for their service but because they probably receive a better grade of product. In any event I am satisfied with my engine and happy with its performance.

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RE: RCGF Engines - 9/11/2012 8:51 PM   
steph18


 

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From: saint just, FRANCE
Status: offline 		the RCGF 32 is a 34 cc (you can calculate), the RCG from HK is a 30,5 cc. and there is a big difference in power.
I use RCGF 32 on a F3A pattern :





https://lh4.googleusercontent.com/-zmZ4FEkqwAU/UE5LVg8TBwI/AAAAAAAADJE/ItD90DsajqI/s512/P1030658.JPG

https://lh3.googleusercontent.com/-wlDPP1RLxTs/UE5JXoq-QhI/AAAAAAAADIw/pZkDNMEb8Bk/s720/P1030656.JPG

stephane


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RE: RCGF Engines - 9/21/2012 3:20 PM   
gringopete



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Status: offline 		Thought that you guys would like to see the 40cc twin running.[youtube]<iframe height="315" src="<a href=" embed="" www.youtube.com=" _fcksavedurl=" style="width: 525px; height: 321px"> http://www.youtube.com/embed/80SdGHnpXBY?list=UU7Gp_uKt7Oag0rYScG2vxOg&hl=en_US" frameborder="0" allowfullscreen> [/youtube]

< Message edited by gringopete -- 9/24/2012 2:31 PM >


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RE: RCGF Engines - 9/22/2012 2:23 AM   
rfk1381



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Status: offline 		Gregg - awesome!!

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RE: RCGF Engines - 9/24/2012 2:23 PM   
gringopete



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Status: offline 		Sorry for the screw up guys that is the 40cc twin . This is the 60cc twin.   [youtube]<iframe width="420" height="315" src=" http://www.youtube.com/embed/80SdGHnpXBY" frameborder="0" allowfullscreen></iframe>[/youtube]


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RE: RCGF Engines - 11/29/2012 5:52 PM   
predman


 

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From: Corona, CA, USA
Status: offline 		I have a RCGF 26cc from hobbyking. Put it on my esm 74" corsair rtf weight 17.lbs. Its flies perfect nice speed at 3/4 throttle and fast at full on a xoar 17x8 prop. Not a speed demon but plenty for the plane. this is my 2nd rcgf engine and am very pleased with it. will buy more in the future for upcoming planes.

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RE: RCGF Engines - 12/6/2012 2:56 AM   
MarvinLoomis


 

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From: Mankato, KS, USA
Status: offline 		I have a RCGF 45 also, and its doing the sputtering and popping when you transciousion from idle to high throttle, usually just in mid range it starts. Have read this thread, and have put in a new
BPMR6F plug like the book calls for, but I can not get the plug boot on to the plug, it acts like it is just too small for the bigger NGK plug. Do you have to change the plug boot when you go from the china plug to the NGK plug?? If so where do I get a new boot or can I replace it on the ignition system?

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RE: RCGF Engines - 12/6/2012 3:14 AM   
apalsson



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Status: offline 		Marvin, the BPMR6F plug is a 5/8" plug so you would need a bigger boot for your ignition.
From your description of the problem, it sounds to me like the low end is overly rich.
Can I suggest you put in a CM-6 plug (this fits your ignition HW boot) and then lean out the low needle for smoothest low range and take it from there?
The plug that came with included with the 45cc were never actual CM-6 plugs but Chinese copies of them

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RE: RCGF Engines - 12/7/2012 1:01 AM   
MarvinLoomis


 

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Status: offline 		Thanks apalsson, I'll give that a try. Have to find some CM6 plugs first, NAPA doenst stock em here in town and have to order 10 to get em, dont think I need that many on hand. I'll have to try and pick some up somewhere.

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