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  1. #1876

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    Thank you be ordering soon!

  2. #1877

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    I finally got more flights on my J3 Cub with the 10cc evo and it gets better and better every time. I had a couple of dead sticks last week, but I adjusted the low speed needle and that solved that. I now have the 12 x 6 prop on it, but have not flown it since putting it on. It was a real hot rod with the 11 x 6 on it. Can't wait to fly with the bigger prop.

  3. #1878
    flyinwalenda's Avatar
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    After 3 gallons the engine really came alive and was able to really tune it and it has been running fine. It takes a loooong time to break in fully and during that time it could become frustrating for some if they have limited experience tuning an engine. Just follow the instructions in the manual and be patient and it will be a fine.
    Brian Ray

  4. #1879

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    I am having trouble with my Evo 10 cc right now. It ran well for about a dozen or so flights (except it did have a tendency to quit suddenly without notice sometimes) but now refuses to run at all. I haven't had the opportunity to trouble shoot it as yet bus I suspect the ignition is the issue.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)

  5. #1880

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    Check your battery and spark plug..Takes a while to break engine so don't let it idle too low..

  6. #1881

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    Don't do like i did and plugged battery wire up backwards on ignition..Its easy to do and it'll drive you crazy if you not paying attention to your connection..

  7. #1882
    flyinwalenda's Avatar
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    Yes check for spark first. Some have reported problems with plugs but I am still on the originals.If no spark it could be the plug but also check the magnet in the hub and make sure it's still there. Check the sensor and wiring back to the ignition. Check the battery and make sure it is functioning properly, and check the switch.
    Brian Ray

  8. #1883

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    Brian,
    Fired up the evo 15cc this past week and I think I'm gonna really like it.Its on a 50 size katana so it should do really well, hopefully fly it tomorrow.The ringed engine suits gasoline more I think.

  9. #1884
    flyinwalenda's Avatar
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    Yes, my 15gx acts just like my other ringed gassers and probably better suited for first timers rather than the 10gx. I am liking the 10's more and more as they get beyond the 2-3 gallon mark.
    Brian Ray

  10. #1885

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    Switch, battery and spark plug were all checked. The problem seems to be a bit more complicated than that. I strongly suspect a defective ignition.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)

  11. #1886

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    Sorry you having problem.They should warranty the ignition for you......

  12. #1887

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    jedijody wrote a post regarding troubleshooting ignitions. It was intended for Rcexl, but thinking it will apply here as well. It's up in the "Newbie to Gas" thread at the top of this "Gas Engines" heading, 2nd page, post #36. You might get some ideas with a read through that?

    Newbie to Gas General Information

  13. #1888

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    Quote Originally Posted by Heli-NuBee View Post
    Switch, battery and spark plug were all checked. The problem seems to be a bit more complicated than that. I strongly suspect a defective ignition.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)
    just for giggles... try a new spark plug .... I had a plug that appeared to be working when checked, but the engine wouldn't run consistently with it installed... new plug and problems went away immediately.
    Carl Goldberg Ultimate Brotherhood #103
    Ultra Sport Brotherhood #148

  14. #1889

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    OK, I have a couple of new plugs on order and I will try one when they arrive.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)

  15. #1890

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    Hey mattnew, I tried a new spark plug today as you suggested and the engine ran great on the ground. I will give the engine and plane a good work out tomorrow. It looks as though you may have been correct about the old spark plug. It tested and looked OK but would not run. I guess it is easy for these small spark plugs to fool us. Thanks for your input.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)

  16. #1891

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    Yup, the Evo 10 CC engine powered Pheonix Spitfire performed very well today. I guess the spark plug was the problem.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)

  17. #1892

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    Take a look at the old plug. See if you can turn the white insulator. If it will turn you were loosing compression.

  18. #1893

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    Quote Originally Posted by Heli-NuBee View Post
    Hey mattnew, I tried a new spark plug today as you suggested and the engine ran great on the ground. I will give the engine and plane a good work out tomorrow. It looks as though you may have been correct about the old spark plug. It tested and looked OK but would not run. I guess it is easy for these small spark plugs to fool us. Thanks for your input.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)
    Awesome man... glad you got it running!!!

    My rules for these small gassers is to always keep a couple spare plugs on hand... its solved a couple odd problems for me...
    Carl Goldberg Ultimate Brotherhood #103
    Ultra Sport Brotherhood #148

  19. #1894

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    Quote Originally Posted by Heli-NuBee View Post
    Yup, the Evo 10 CC engine powered Pheonix Spitfire performed very well today. I guess the spark plug was the problem.

    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)
    Try the iridium spark plug from RCEXL.
    On gas engines, it last longer than standard spark plug and give you better idle.
    Unfortunately, the iridium spark plug does not work well with methanol fuel on nitro to gas conversions , becausee the spark acts as a glow-plug with the iridium tip.

    Regards
    Last edited by mpascual; 07-24-2014 at 06:57 AM.

  20. #1895

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    Here are a few pictures of my Evo 10 CC engine in action.

    Click image for larger version. 

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    Best wishes and good safe flying.

    Heli-NuBee (AKA Roger the radial rabbit)

  21. #1896

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    I to had the spark plug cap come apart on me when I was fitting the cowl on a plane. Broke at the 90 degree bend causing a no start condition due to no ground for the CDI ign unit. Replace by Hoizion under warranty. Very careful when removing cap for engine maintenance .

  22. #1897

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    Well, after doing a lot of reading I went ahead and ordered a 10GX for my Kadet Senior ARF, this will be my first time using a gas engine in over 30 years of flying. It is going to replace a RCV60-sp that while a neat engine is really kind of gutless, and it does not idle down very well at all even with an onboard glow system. Getting the Kadet down with the RCV turning a 16x12 prop at 2000 rpm's is not always real easy. It is also a heavy engine at 21oz so the 10GX is only 1oz heavier and as I mentioned there is already an onboard glow so the weight of the extra battery should wash. Anyway, I am expecting much better performance out of the Evo engine as well. It is rated at 1.68hp whereas the RCV is rated at .9hp and it flies like it. I had to do a slight dive to pick up speed just to do a loop!

    I do have a question though, do you think that this engine would be capable of running a smoke system? I have never tried one before as I have heard that glow does not run hot enough to do a lot of good, but gas engines do. I would think that I might have to use a different muffler although I do not know this, anyone have an idea as to what muffler I could use for this size engine/mounting pattern that is made for smoke? The kadet has plenty of wing area to carry the load, I was able to fly it off of water even with the RCV even though it was not very robust. I know it is not a performance aircraft, but the slow speed might make for a nice thick smoke plume with the correct setup.

    Any tips are appreciated!

  23. #1898

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    The 10cc is a great engine.Only thing is the evo 10 takes a while to break in.So don't get expect to run perfect until couple of gallons has been burned.Lot of guys have bought the macs muffler cause the original is not easy to seal up.I tried everything with the factory muffler using sealers.I ended up taking it apart and removing orings between center extention and using no sealer and tighten it and first couple of flights and had no more problems.Make sure you use fuel tank filter and extra fuel filter.I have both 10 and 15cc.I run my low speed needle richer than factory setting on both engines and tune high side down once broken in.Just my preference.Others may tell you different,Throttle response seems so much better this way and pulls so much better.Hope this helps.This needle setup may not work for you.It has a wide band that will work on low end needle.Good luck.

  24. #1899
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    As previously mentioned read through this thread and you will find all of the tips and tricks. Yes it does take a long time to properly break-in and along the way you need to keep fiddling with the adjustments but when you get over the hump the engine comes alive and you will not have to touch the tuning much.

    As far as a smoke system, I would be leery of it as the engine's carb really requires good pressure from the exhaust to run properly. I am not sure how the carb will react after injecting smoke fluid into the muffler to burn. If I were to experiment I would try it well after 3 gallons have been burned and it is well broken-in.
    Last edited by flyinwalenda; 08-17-2014 at 05:45 PM.
    Brian Ray

  25. #1900

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    Thanks guys, I have started to read though the whole thread, a lot of pages to read. I believe I might have a Pitts muffler running around somewhere, is there any performance difference when using a Pitts style muffler? I had it on a 55ax in a Funtana X50 but later switched to a Tower 46 muffler. I could hardly believe the difference, gained 900 rpms same fuel and prop by going to that $15 muffler.... Anyway, I will go ahead and get to reading, I am looking forward to my first foray into gas engines.


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