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  1. #1

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    CRRC-pro GF26i V2 26cc Gas engine information thread

    I am starting this thread so the buyers and end users, and guys like me who would like to learn more about these engines, can post any information that they may have on RCU to help the other folks who may have questions or issues they are trying to get worked out.

    Please feel free to post your questions you might have and hopefully we can all help each other.

    Once you go GAS all you do is FLIP nad FLY!!
    A1 computer Repair /Gas RC Hobby engines, When you go GAS all you have to do is FLIP and FLY!!

  2. #2

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    recently purchased new gf26i and look forward to hear proper break in and anything pertaining to this engine. Installed in Funtana .90

  3. #3

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I have recently purchased a CRRC Pro 26cc gf26i v2 and would like some information on setting it up. It is going in a U-CAN-DO 35 


    [/b]

  4. #4
    ggraham500's Avatar
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I really am impressed with mine. I just followed the operator's manual ...

    http://www.valleyviewrc.com/CRRC%20Pro-GF26ccManual.pdf
    With airplanes, keep the pointy end going forward as much as possible.

  5. #5

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    If I read the manual right and I think I did, they said use a 6 volt 5 cell pack; Did I read it right? Is that what you are using?

    Cliff;
    Confucius says; "When AirplaneStalleth; Airplane Falleth!"

  6. #6
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I use a 2300 mAH 4.8v NiMH battery. I can easily get five 10 min flights from the battery.
    With airplanes, keep the pointy end going forward as much as possible.

  7. #7

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread


    ORIGINAL: heistheman

    If I read the manual right and I think I did, they said use a 6 volt 5 cell pack; Did I read it right? Is that what you are using?

    Cliff;
    Confucius says; ''When AirplaneΒ*Β*Stalleth; Airplane Falleth!''
    I use a 2300 4.8 volt battery to run the ignition on mine and I can fly as much as 4 to 5 times at around 10 minutes each flight. I buy my batteries from Jim at agape racing and they are good quality and I have never had one fail yet.

    I like to check the voltage on my ignition battery after each flight.

    Happy flying!!
    A1 computer Repair /Gas RC Hobby engines, When you go GAS all you have to do is FLIP and FLY!!

  8. #8

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I started mine yesterday and it started easily with a starter not so by hand.  I am using between a 20 and 25 to 1 mixture and wonder how long I should break it in before I fly it?  Is there a SOP for breaking in these gassers?

    How slow should the idle be?

    Also the manual I read was online which said 6 volt; the one with the engine said 4.8v I went with that.

    Confucius says; "When Airplane  Stalleth; Airplane Falleth!"

  9. #9
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Here's the way I learned from opening the box the first time:
    20 min steady around 3400-4000 rpm using 16x8 prop
    cool 20 min
    another 20 min steady around 3400 rpm
    cool 20 min
    20 min varying rpm with full speed blasts no more than 10 secs each time
    cool 20 min
    go fly

    Your low end rpm will improve slowly with time. Probably not reliable low end below 2800 until about 1.5 hrs engine time. Mine has about 4 hrs on it now and will get down to about 2300 before stalling and improving with almost each run. I adjusted the high end after 2 hrs slightly leaning about 1/8 turns. I have down that twice. Transition from low to high is great. I am still running at 32:1 with Pennzoil air-cooled. I'm still using a 16x8 prop. I did use a 17x7 for a time but found it was too long for landing easily.

    I'm very happy with my CRRC Pro GF26i v2 (I've got two and helped break-in a third for a friend). I also have two MT-35, a DLE-30 and a new DLE-20 ... all from Valley View so I KNOW they were good ones when I received them.
    With airplanes, keep the pointy end going forward as much as possible.

  10. #10

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Thanks;  I have so far ran it 5 minutes just above idle, off 5 minutes on five minutes; did this 4 times; advanced throttle to high or near high then back not staying at high for more than  a second;  when should I lower the oil to 32:1 from my current 20-25:1 do you think. 

    Exhaust residue on the wheel pants is dark and oily which seems to be what I want for early runs. 

    Confucius says; "When Airplane  Stalleth; Airplane Falleth!"

  11. #11
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I started at 32:1 so never tried the 25:1 or 20:1.
    With airplanes, keep the pointy end going forward as much as possible.

  12. #12

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    ORIGINAL: heistheman

    Β*when should I lower the oil to 32:1 from my current 20-25:1 do you think.Β*

    Exhaust residue on the wheel pants is dark and oily which seems to be what I want for early runs.Β*

    Confucius says; ''When AirplaneΒ*Β*Stalleth; Airplane Falleth!''
    I have several of these engines. I have 2 of the beam mount style crrc-pro 26cc engines, 1 is a side carb I bought from a guy in st louise mo, and I have had ALOT of problems out of it. The seller claimed to have parts in stock for the engine, but each time I needed parts under warranty I had to wait for him to order parts from china, and than wiat for them to arrive. Then WAIT for them to be shipped to me.

    I have a 26cc rear carb beam mount engine I got from Jim at Agape racing, and it has performed FLAWLESSLY!!

    I broke both engines in on Fully synthetic 2 cycle oil, ( I prefer to use the stihl fully sythetic ultra ) mixed at 32 to 1. I like to run my gas engines I sell and use myself on an engine break in stand. I run them about half throttle for about 10 minutes, then let it cool for about 20 minutes, I like to do this until I have run around 1/2 gallon of fuel through the engine. Then I mount the engine on my plane and go fly. I fly the plane at about half throttle, and run it up to full throttle for a around 10 second bursts. I only fly the plane for around ten minutes then land and let the engine cool.

    I like to upgrade the ignitions, and use the Rcexl ignition and conversion Kit that Jim at AGAPE RACING sells. I am still running one engine on the original CRRC-Pro ignition and it is doing well.

    I run and maintain several of these engines for the local guys at our flight feild, so if you have any questions and would like to, you can call me at the shop, I will be glad to help.
    A1 computer Repair /Gas RC Hobby engines, When you go GAS all you have to do is FLIP and FLY!!

  13. #13

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Thanks again;

    This is a great thread for someone like me with no experience on gassers; glad also to here others who say the engines perform well.

    Some not so encouraging as well; i'll keep positive

    Confucius says; "When Airplane  Stalleth; Airplane Falleth!"

  14. #14
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    The CRRC Pro GF26i v1 did have a lot of problems and seemingly did not develop the power the v2 did. Nor did the v1 have the excellent transition from low to full power that the v2 does IMHO.
    With airplanes, keep the pointy end going forward as much as possible.

  15. #15
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    The first thing I do with my CRRC engines is discard the no-name Chinese plug and install an NGK. I have not had one that was not a reliable hand starter. I have a version 1 26cc in my Seagull Spacewalker 120, and it makes tons of power and pulls the plane effortlessly.

    Don't consider the engine fully broken in until you have run at least two gallons of fuel through it.
    AMA #21855
    Gravity always wins...

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Where is that plug available?

    Confucius says; "When Airplane  Stalleth; Airplane Falleth!"

  17. #17
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread


    ORIGINAL: heistheman

    Where is that plug available?

    Confucius says; ''When AirplaneΒ*Β*Stalleth; Airplane Falleth!''
    I buy mine from the local Honda dealer. The hobby shop here also has NGK plugs. Pretty much any automotive place like NAPA, O'Reilly's, etc can get you whatever spark plug you need.
    AMA #21855
    Gravity always wins...

  18. #18

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I have two of these CRRC 26 cc engines, a version 1 and a version 2. I had some trouble with the V1 when the front bearing spun and ruined the case. It was repaired under warranty in the spring and has been running great. When Jody repaired it he glued the outer and inner race of the bearings to the case and crankshaft. I shouldn't have this problem with engine again. I also just had a similar problem with the V2 engine. The front bearing became lose. When I disassembled the engine I found that the front bearing inner race had spun on the crankshaft. Apparently the crankshaft where the front bearing sits was machined under size which allowed the inner race to spin. I had about 2 or 3 gallons threw this engine when the problem started. I am guessing that the manufacturer tried to compensate for an improper fit by using bearing glue which failed after a few hrs of use. Overall I think the quality and tolerances of these engines are hit or miss. I also had trouble with the ignition on the V2 and replaced it with a Rcxel unit. I also found that the V1 engine runs smoother than the V2 but the V2 has more power.

  19. #19

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread


    ORIGINAL: heistheman

    Where is that plug available?

    Confucius says; ''When AirplaneΒ*Β*Stalleth; Airplane Falleth!''
    I buy most of my spark plugs at O'Reilly's autoparts. The cm-6 NGK plugs are only about $2.65 a piece, they may be cheaper now though.
    A1 computer Repair /Gas RC Hobby engines, When you go GAS all you have to do is FLIP and FLY!!

  20. #20

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Got close to 2 hours on the bench engine running well.  20-25:1 mixture oily, next time 32:1.  I bought a NGK plug; my CRRC Pro 26cc gf26i v2 takes #3066 CMR7H, cost $4.27 with tax at Advanced Auto Parts.  Weather permitting my forst flight wil lbe tomorrow (Friday)

    Thanks for all the help.  I give a report after flying.

    Confucius says; "When Airplane  Stalleth; Airplane Falleth!"

  21. #21

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Flew the U-Can-Do with the CRRC Pro 26cc gf26i v2 this morning. WOW! I thought it had a lot of power with the Magnum 1.20 4-stroke; but the CRRC Pro 26cc gf26i v2 using 16x8 prop; 20-25:1 fuel is like shooting it out of a cannon. I flew it between 1/2 and 1/3 throttle for two 10 minute flights and the engine performed flawlessly, idling a bit fast but landings were fine. I hand started it for both flights.  Still using the original plug. 

    Confucius says; "When Airplane  Stalleth; Airplane Falleth!"

  22. #22
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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    Comapres to what I said initially with my CG Wild Stick 120 ... I'm impressed with both of my CRRC Pro GF26i v2
    With airplanes, keep the pointy end going forward as much as possible.

  23. #23

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I have nearly a gallon of fuel through the CRRC Pro GF26i v2; at high throttle it takes the U-Can-Do strait up until its a speck.

    onfucius says; "When Airplane  Stalleth; Airplane Falleth!"

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread

    I have been flying my u-can-do and when I do a nose down maneuver  like a spin after flying for 5 or 10 minutes the engine quits. Any suggestions?

  25. #25

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    RE: CRRC-pro GF26i V2 26cc Gas engine information thread


    ORIGINAL: heistheman

    I have been flying my u-can-do and when I do a nose downΒ*maneuverΒ*Β*like a spin after flying for 5 or 10 minutes the engine quits. Any suggestions?
    Sounds like a fuel problem..I had a similar issue with my 26 v2 on my clipped cub..was the clunk line first time, then I guess the tank was too small and the clunk line too stiff and the clunk would not follow around the tank when inverted or nose down...level flight was fine....


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