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RE: 15cc Gas RCGF engine information thread - 9/6/2011 8:37 PM   
boostoman


 

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Status: offline 		you can get one of these
http://www.sdshobby.net/lipo-regulator-48v-5a-p-884.html?zenid=e9kad4qk85sgis1phl7ioa7762

any many more stuff. there have great cutomer service and deleivery times


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RE: 15cc Gas RCGF engine information thread - 9/6/2011 9:00 PM   
gringopete



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Status: offline 		What is the capacity of the pack ?


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RE: 15cc Gas RCGF engine information thread - 9/6/2011 11:14 PM   
ish22


 

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RE: 15cc Gas RCGF engine information thread - 9/7/2011 12:12 AM   
Kenpilot


 

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Status: offline 		No, with this one you will still need two packs. I use a 2200mah 6v nimh pack for ignition, and a 4.8v 2200mah pack for receiver. I had 5 long flights the other day on my Cub and the battery monitor was indicating yellow, time to recharge. I was also using a smaller prop, so had higher RPM's than normal, as an experiment to see how the engine would run on a 14x6.

BP Hobbies does sell a doohicky that allows you to use one battery for both. Not familiar with it, but it looks good on the website.

I would suggest, ISH, that you make sure your battery is fully charged. If it is old, get a new one, probably a LiFe would be best.

Kenpilot.

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RE: 15cc Gas RCGF engine information thread - 9/7/2011 12:47 AM   
ish22


 

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Status: offline 		thanks for your info...

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RE: 15cc Gas RCGF engine information thread - 9/7/2011 2:48 AM   
opol


 

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Status: offline 		this is a test. i am trying to do this. if you read this let me know. opol

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RE: 15cc Gas RCGF engine information thread - 9/7/2011 2:56 AM   
ish22


 

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RE: 15cc Gas RCGF engine information thread - 9/21/2011 12:10 PM   
disljenko


 

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From: Krusevac, YUGOSLAVIA
Status: offline 		Hello there, can you tell me where can i purchase one of these RCGF engines. I'm interested in 15cc? Can you post links where i can buy it. And one more, is there any dealer of these engines for Europe. Thanks for help.


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RE: 15cc Gas RCGF engine information thread - 9/21/2011 12:33 PM   
boostoman


 

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Status: offline 		you can get a RCG engine frm Hobbyking
http://www.hobbyking.com/hobbyking/store/__15380__RCG_15cc_Gas_engine_w_CD_Ignition_2_1HP_1_54kw.html

this is the same engine as the RCGF


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RE: 15cc Gas RCGF engine information thread - 9/22/2011 12:18 AM   
ish22


 

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Status: offline 		im not having a good luck with the 15 cc.... my cdi... is something wrong,now the carb.. start leaking fuel thruu the choke hole.... im disapoined

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RE: 15cc Gas RCGF engine information thread - 1/30/2012 11:37 PM   
misfitsailor



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Status: offline 		This project is so frustrating that I put it aside for a while. It has been over a year now, And I have tried various remedies for my radio interference problem, but nothing works. The latest thing I tried was using 2.4 Ghz, but even that did not help, all the servos went nuts and froze when the engine was revved up. Someone said that the little LED on-board voltmeters cause issues, so I removed that too, which solved nothing. If I only idle the engine, everything works fine. The trouble only starts when I rev it up. What should I try next? The engine starts and runs great. I just wish I could make it fly an airplane!

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RE: 15cc Gas RCGF engine information thread - 1/31/2012 12:41 AM   
WildeOne


 

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Status: offline 		Do you have a hose clamp on the spark plug shield can and are you absolutely sure the plug shield is all the way on? Mine take a lot of force to fully install. I would expect you've already checked all the typical sources of RFI.

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RE: 15cc Gas RCGF engine information thread - 1/31/2012 12:49 AM   
disljenko


 

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Status: offline 		Hey there, gasoline powered motor produce much more interference so first you need to separate you ignition system(CDI) at least 30 cm from you radio reciver, even if you have 2,4Ghz system. Best way to do that is to install CDI into cowl and make sure to protect CDI from vibration produced from engine( place on sponge or rubber and attach on firewall). Second make sure that on trottle rod you have ball links on each side of the rod, this will prevent interference too.

Place some picture here how you done your engine and cdi installation so we can see where is problem. Try to do what i said and report here is it work. Best of luck !!!!

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RE: 15cc Gas RCGF engine information thread - 1/31/2012 1:11 AM   
Kenpilot


 

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Status: offline 		I agree with what Disljenko says. Separate by as much distance as possible your ignition system and battery, switches, etc from your receiver, receiver battery and switches, etc. Cushion the ignition with foam and secure as far forward as possible.

My RCGF 15cc has been somewhat of a challenge, but now that all the kinks are worked out on my Cub installation, the engine has been ultra reliable and fun to run. My big challenge now is how to make it quieter. Have decided to run a bigger prop to lower the RPM, and try to fit a different muffler. Canister will not work on my Lanyu Cub, just won't fit. In order to use the pitts mufflers offered by BP Hobbies, I'll have to extend the standoffs to get more clearance to the firewall. Have also gone away from Coleman fuel to a pre blended mixture calle d Trufuel for more consistent fuel.

Flew this setup on Skis a couple weeks ago when we had a little snow in NJ. Engine ran very well, no problems and an abundance of fun.

Good luck with your interference problem. YOu should not be having an issue with it if your installation is separated, or just maybe you need to replace your ignition box? One other idea, make sure your prop/engine combo does not result in super high RPM's...Shoot for a 14x8 or 15x8...just my opinion.



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RE: 15cc Gas RCGF engine information thread - 1/31/2012 1:41 AM   
disljenko


 

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Status: offline 		Small update on CDI mount....here is a good example what i said earlier. This is RCGF 50cc Chears !!!




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RE: 15cc Gas RCGF engine information thread - 1/31/2012 8:08 PM   
DaleD


 

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quote:

ORIGINAL: Kenpilot

I agree with what Disljenko says. Separate by as much distance as possible your ignition system and battery, switches, etc from your receiver, receiver battery and switches, etc. Cushion the ignition with foam and secure as far forward as possible.

My RCGF 15cc has been somewhat of a challenge, but now that all the kinks are worked out on my Cub installation, the engine has been ultra reliable and fun to run. My big challenge now is how to make it quieter. Have decided to run a bigger prop to lower the RPM, and try to fit a different muffler. Canister will not work on my Lanyu Cub, just won't fit. In order to use the pitts mufflers offered by BP Hobbies, I'll have to extend the standoffs to get more clearance to the firewall. Have also gone away from Coleman fuel to a pre blended mixture calle d Trufuel for more consistent fuel.

Flew this setup on Skis a couple weeks ago when we had a little snow in NJ. Engine ran very well, no problems and an abundance of fun.

Good luck with your interference problem. YOu should not be having an issue with it if your installation is separated, or just maybe you need to replace your ignition box? One other idea, make sure your prop/engine combo does not result in super high RPM's...Shoot for a 14x8 or 15x8...just my opinion.




Greetings Kenpilot,

I have been scouting around for a gas engine to replace an OS61FX installed on H9 UltraStick.  Have given consideration to this engine but have received advise to stay away and look at either DLE 20 or the RCGF 20 as they are way better.  Can you share some details on what you refer to as "all the kinks" in your post above?  I would prefer to make an informed decision about the replacement engine rather than base same on unspecified details from persons who have no experience operating the engine.

Thanks

DaleD

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RE: 15cc Gas RCGF engine information thread - 2/1/2012 1:32 AM   
ish22


 

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Status: offline 		hi.... im glad you have your 15 cc rcgf working.. mine is just sitting in a box...i need a new ignition.... any other brand... of cdi.... can you suggest me ..? thanks

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RE: 15cc Gas RCGF engine information thread - 2/1/2012 2:32 AM   
MercerAUST


 

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Status: offline 		To misfit. I'm assuming you are using a Sullivans Rod throttle pushrod or something similar (eg not metal or carbon fibre for the throttle rod). Also check to make sure that the spark plug lead is not leaning against any metal etc (wrap in insulating tape if necessary).

Normally, interference will occur at all revs, including idle, so it is curious that yours only does it when you open the throttle. It might imply that the throttle assembly is touching metal or something as it moves.
 

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RE: 15cc Gas RCGF engine information thread - 2/1/2012 4:56 AM   
dirtybird


 

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Status: offline 		I know we have all been snakebit by the RFI problems we had on 72 with the PPM systems but I have been doing some tests on 2.4 with a Turnigy gas ignition system I have and I find that it is simply not affected by ignition RFI.
I set the ignition out with an unshielded spark plug lead and an unshielded spark plug with no resister in the lead next to my 2.4 system. I drove the ignition system from a function generator I have that allows me to run the spark repetition rate up to the point where it will no longer work. It don't have time to charge the coil at a high rate of speed.
The 2.4 system did not wiggle a bit.
I think you probably have a component that is loose in your radio system and vibration causes it to make intermittent contact. Switches are notorious for doing this.

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RE: 15cc Gas RCGF engine information thread - 2/1/2012 4:59 AM   
dirtybird


 

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RE: 15cc Gas RCGF engine information thread - 2/4/2012 1:48 PM   
DaleD


 

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quote:

ORIGINAL: dirtybird
I think you probably have a component that is loose in your radio system and vibration causes it to make intermittent contact. Switches are notorious for doing this.


+!

check all your electrical connections from battery right through to the ignition and the receiver. try bypassing everything and connecting the battery directly and see what happens.

DaleD



< Message edited by DaleD -- 2/4/2012 5:37 PM >

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RE: 15cc Gas RCGF engine information thread - 2/4/2012 5:10 PM   
AJsToyz



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quote:

ORIGINAL: ish22

hi.... im glad you have your 15 cc rcgf working.. mine is just sitting in a box...i need a new ignition.... any other brand... of cdi.... can you suggest me ..? thanks


I don't know what they are doing now but RCGF was making there own Rcexl ignition knock off, and it was junk. You can order an Rcexl from just about any where. Di you fix the carb? The leak you described is usually just a little dirt in the filter in the carb. Quick tear down and clean up usually does the trick, just don't loose any parts.

Andy

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RE: 15cc Gas RCGF engine information thread - 2/5/2012 10:35 AM   
raydar


 

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Status: offline 		I have 3 of the pegusus branded ignitions, there is nothing wrong with mine. I got two with engines and bought one seperate to replace a crap crrc 26 v1 ignition. All 3 have nice big fat blue sparks and have been faultless.

Im running one on a life battery unregulated, in fact im running 6 high torque digital servos, ignition and a sullivan smoke system all off the one 2600mah life battery with no isolation fitted at all on a 1/4 scale pitts. Use less than 800 mah for 3 flights.

Maybe you have a bad ignition, if you do you have been unlucky.  Try a different spark plug if you have interference.

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RE: 15cc Gas RCGF engine information thread - 2/5/2012 12:37 PM   
AJsToyz



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Status: offline 		At the time I got mine RCGF was really trying to cheap out, may be they learned that was not such a good idea. Glad you have god ignitions on yours. Rcexl did a post a while back to show the difference and would have swapped out the bad one if it was there's.

Andy

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RE: 15cc Gas RCGF engine information thread - 3/5/2012 5:14 AM   
RBean


 

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Status: offline 		I came into possession of a Pica arf 1/6 scale Waco. 60" wing span. Installed an old Thunder Tigre .91 FS on it. Had about 3 flights on it when engine started running bad. Turns out the top end was running dry. No lub. Rockers and rocker shaft completely worn out. Getting out of glow anyway. Sold three other glow engines (these were good as far as I know). Got enough to buy a gas engine for the plane. But with the glow it only weight about 8 lbs. I have 3 DLE 20s and they are great engines, but didn't think I needed that much power for this plane. Can always fly throttled back but worried engine might need clearing out and running wide open some and might just destroy this plane. RCFG is same weight as the DLE. So I bought a new RCGF 15cc. Installing it now. I was supprised the muffler is so big. It will just fit into the big round cowling. No room for a pitts. Had to move the cowl out 1/4" for space. But even with that after checking CG its tail heavy. I will have to build platforms inside cowl to mount both batteries to get the correct CG. Planning on using a 14-6 prop. I know this engine is not a powerhouse like to DLE but it should do on this plane. Weight probable will be a little over 9 lbs with the gas engine.

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