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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Gas Engines >> RE: CRRC-pro GF26i V2 26cc Gas engine information thread
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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 10/16/2010 6:19 AM   
heistheman


 

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From: Sebastian, FL, USA
Status: offline 		I believe that is my problem also. Any suggestions for soultion?

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 10/17/2010 3:00 AM   
93octane


 

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Status: offline 		Well I would try redoing the tank lines..make sure clunk line is is flexable and going around the tank in all posistions... also try a slightly larger tank to lengthin the clunk line...or a heavier clunk......I think I did all the above good luck

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 10/17/2010 3:40 AM   
heistheman


 

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Status: offline 		Will try that this week and let you know how it works.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 11/26/2010 10:45 AM   
3penguins


 

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Status: offline 		Hey heistheman, I had a similar problem with this motor, here's what I found:

My motor is mounted on a Funtana X100, the carb flute sits flush with the cowl, on the ground the motor performs really well. In the air with throttle on is the same. In the air with the throttle at idle, the motor cuts out. I had probably 30+ dead sticks with this plane. I played with every adjustment I could and eventually fixed the problem by removing the carb flute. The top of the carb now sits under the cowl. I think this problem is caused by air turbulence around the top of the flute while it was flush with the cowl. Once the flute is removed, it's a totally different motor and doesn;t cut out.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 11/27/2010 1:13 AM   
93octane


 

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quote:

ORIGINAL: 3penguins

Hey heistheman, I had a similar problem with this motor, here's what I found:

My motor is mounted on a Funtana X100, the carb flute sits flush with the cowl, on the ground the motor performs really well. In the air with throttle on is the same. In the air with the throttle at idle, the motor cuts out. I had probably 30+ dead sticks with this plane. I played with every adjustment I could and eventually fixed the problem by removing the carb flute. The top of the carb now sits under the cowl. I think this problem is caused by air turbulence around the top of the flute while it was flush with the cowl. Once the flute is removed, it's a totally different motor and doesn;t cut out.

Thats funny usually the flute and or venturi helps the engine run better guess in your case it was at the wrong place? how does it pull your funtana?

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/23/2010 11:56 PM   
heistheman


 

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Status: offline 		My CRRC Pro GF26i v2 is giving me fits; it started runnig rough and sputtering in loops; then it would act like ti was not getting enough fuel no matter where the throttle was; I took the filter off the clunk, checked th einline filter it was clean and got 1 good flight then it started in again this morning and I could not keep it running. the engine seems to have some free play when I move the prop a small amount the piston does not move. When flipping by hand there seems to be a noise like something has too much free play.

I broke The engine on 25 to 1 and after two gallons went to 32 to 1.

Looking for help

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/24/2010 12:10 AM   
ggraham500



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Status: offline 		Check your filter inside the carb right behind the main screw. Mine was dirty even though my inline filter was clear. That solved my problem. Took 3 minutes to figure out.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 1/27/2011 4:17 AM   
robertwilkerson


 

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Status: offline 		I just got my crrc .26 r and have the 26I it runs very smooth how long the bearings last will be in a later post.I did change the ignition to a rcexl and the ngk plug (took out the high miss) anyway the new 26 r has the rcexl shipped with them but the plug looks like it came from a 40's era engine. Where would you find something like that?? If you change plug you will have to change the cap not to comfortable with that process. Anyone have tips? I will post later about bearing life seem to be hit and miss I did replace the prop hub on the 26 I cracked after break in and mounted on the plane. Thought id keep it all china so mounted on a Will Hobby Zero. the R version will go on a Super Star stay tuned.


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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 1/27/2011 4:23 AM   
w8ye



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Status: offline 		Does the existing plug have any name or number on it?

What about a picture?



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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 1/27/2011 5:26 AM   
Wingman26



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Status: offline 		I have the original model GF26i, I had trouble from the start, it was the ignition module, it was replaced with a new module and it went bad almost as soon as it was installed, major problems cured with the installation of an RC EXL ignition, engine runs pretty well now.

The main point is that IMHO, a lot of the CRRC problems can be traced to the ignition modules.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 4/19/2011 10:56 AM   
shuglu


 

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Status: offline 		Do you need to replace the spark plug connector when changing to the CMR7H spark plug?

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/20/2011 7:20 AM   
robertwilkerson


 

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Status: offline 		Ok here are the update on the 26R first problem is the idle runs only at 2010 rpm any lower dies when you pull back the stick (set curves on trans) no help made the arm longer no change. So next broke in per mfg's specs installed on sig 4* flew it maybe 5-6 flights none at wot for more than 10 secs I start getting black oil where the hall sensor mag is at. The exhaust has a lot of black residue I though maybe blow by from no exhaust gasket so put on on. Nope still there.. Started noticing some tip play at the prop looks like rear bearings going and the oil seal is not far behind. That cost me $60.00 oh I did buy a new muffler in that purchase. I wanted to take it out for one more flight before tear down as this could take some time (no one has all the parts!) so installed new muffler and away I go about 1/2 minute into the flight or less my spotter see's something come off the pane located and returned it to me seems the new muffler stack broke off no other reason except the weld was not right. I have purchased 3 models of CRRC and really feel that I have gave them a fair chance 26Ipro? where they got pro from umm.. gp26r above fore mentioned and gp 55r all of which required parts adjustment to timing or some expense and that was before they were broke in or installed in an airplane. I am a person who will be tolerant of most issues but this really is not acceptable. Has anyone else had this much bad faith with this product??? Oh now come's the question way didn't you send it in under warranty never have ever thought that would be required in 45 years of engine purchased (the shipping cost as much as the engines) I purchased them through the manufacture Hobby shop in China. They don't even carry the parts for them. I urge you to take heed this line of engine are the most troubled line I have ever experienced and people complained about how difficult YS was to maintain at least they would last for 20 years after break in.


Robert Wilkerson

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/25/2011 5:45 PM   
lechuza


 

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Status: offline 		Hi, I have had this engine for about 2 years, on a Richmodel Long EZ 160 95" wingspan model, it works as a pusher with a 16x10 3-blade propeller.Log more that 130 flights, but about 3 months ago the engine starts to develop an Idle problem, and it is that the engine can not hold idle without stopping, this only happens on the ground, while flying with throtle in idle, the engine works fine, for example: performing a stall or glide, the engine still runs in idle but once it lands, the engine stops.In the first point(on the air) the model is flying( have speed) but of couse that on the ground with the speed bleed off, the engine quits.I have used always the same fuel-oil ratio, 3.5 oz of oil for a gallon of fuel, the engine transitions from idle to high without any issue, performs well in flight, again the only problem is at idle while on the ground.It happens like this: I start the engine, and then for a few seconds it hold a bit high rpm then the engine starts to slowly low idle rpm without any input and then stops.I start the engine again, starts fine but then the before issue repeat.If I let the throtle a bit open or by trim then the situation dissapear but it is not correct because the model will always move on the ground and landing speed/distance will increae a lot.I have checked all: Neddles, carburetor, spark plug, ignition module, ignition plug, fuel, dust, also clean up all, checked engine screen filter(clean), but no results that prevent the engine from stopping while on idle.The only thing that caught my atention is fuel tank and fuel tank/engine fuel tubing but so far no leaks, or bubles or any other malfunction indication.Because of the engine installation and space available, fuel tank is located inside the fuselage but at about 20" from the engine.But it always have worked this way, it takes time to start the engine on the first time so I have to use s starter.

Any idea of the cause of this problem, suggestions, similar issues?

Thanks, Schaye G.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/25/2011 7:01 PM   
robertwilkerson


 

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From: Laveen, AZ, USA
Status: offline 		Based on my experience is that the ring has worn out and there is not enough compression to maintain idle, I have torn down the 26r and found many fit problems, there is a grove in the piston skirt the ring rides in exhaust port and cannot be reversed bearings not seated in the case bad casting on crank rods and piston. witch results in vibrations at some speeds. I have ordered a new piston head and case to see if I can get a better fit I will let you know of the results. As it is now this engine is a one time throw away and life span depends on how much it is used, Some where between 2 and 4 hours.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/25/2011 8:09 PM   
ggraham500



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Status: offline 		I have two of the CRCC 26cc engines. One new and one with 20+ hrs on it. No problems at all. Go out and enjoy. Your idling issues may be an air leak? I would suggest changing your tygon tubing and maybe changing your carb diaphragms.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/25/2011 8:16 PM   
Antique



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Status: offline 		The ring rides in the exhaust port and can't be reversed...?
The gap in the ring is always on the intake side, unless the exhaust port has a division in the middle where the gap rides...
No big deal, take the piston off the rod and turn it around....Most pistons are marked with an arrow on the top to point to the exhaust port...If not just slide the piston into the cylinder and see where the gap rides...I have seen many G23s that were assembled wrong by a user..The ends of the ring are worn and rounded from hitting the edges of the port...
A gooove in the skirt hurts nothing....
Bad bearing fit can be fixed with some green 680 Loctite stud and bearing mount, clean the parts with carb cleaner before assembly...
Shouldn't have to be done, but it IS fixable....
How long it lasts after that depends on how good the parts were in the first place...You might want to get a Frank Bowman piston ring, at least that part of the repair will be the best quality...
If the crank is double ended a twist in the middle will cause more wear in the bearing bores.....The press fit on some of the Chinese crank parts is, too say the least, is a little on the loose side,...

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/25/2011 9:46 PM   
lechuza


 

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From: Panama, PANAMA
Status: offline 		Thanks all for your answers.

All of them makes real sense, I will try the easiest by changing Tygon tube and carb Diaphragm.Still the problem then I will "ground" the model and go deep into the engine piston and ring issue.For your knowledge, there is no strong vibrations of the engine, just a normal one of an already broke-in single piston engine, even so the engine still develops strong power for takeoff, flying and even well response from coming in at idle thrust for land and then go around without any hesitation.

One more thing, what's your recomendation for buying a carb kit(gaskets+diaphragm), which place to buy from and which kit will fit this Walbro carb on this engine.

Thanks to all, Schaye G.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 12/26/2011 12:25 PM   
ggraham500



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Status: offline 		Mine is a Walbro WT 793 and uses the K20-WAT kit. I buy the kits at my local small engine/tractor shop.

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 3/31/2012 12:24 PM   
dukeofearl



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Status: offline 		I've just ordered a motor and would like to know what Rcexl Ignition you are using on it.... thanks


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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 2/4/2013 8:07 AM   
armody



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From: Louisville, KY, USA
Status: offline 		Hello y'all,

Few questions about CRRC pro 26CC motor. Where did you buy this motor from, did you buy from this link http://www.ibcinyourc.com/store.php/pd2266451/crrcpro_gf26i_v2
or from other place, link would be great.

How does this motor run? Which stock ignition does it come with? Does the stock ignition works good? or you have to replace it with RCXel ignition? How is idle of this motor and transition from idle to WOT. Is this motor bang for the buck? And the money you spend on it is really worth it?

I'd truly appreciate your experiences, and suggestions on that motor.

Thanks

Mody

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RE: CRRC-pro GF26i V2 26cc Gas engine information thread - 2/4/2013 5:02 PM   
jstanton



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Status: offline 		I did not buy my CRRC-pro 26R engine from that guy but my CRRC-pro 26R came with an RCEXL ignition. I also have the CRRC pro 26V2 side mounted carb engine and it came with a CRRC ignition. Both of my Ignitions have worked perfectly but I understand the CRRC ignition has had its problems in the past. If you order one of the engine I would recommend the CRRC-Pro 26R because it comes with the RCEXL Ignition. Good Luck.

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