givemeaboost

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About givemeaboost

  • Rank
    Member

Profile Information

  • Gender Male
  • Location Great Falls,MT
  • Interests hunting, fishing, boating, snowmobiling, fixing Metros and homebuilt airplanes

givemeaboost's Activity

  1. givemeaboost added a post in a topic Yamaha Apex Skytrax Adapters   

    Just to give you guys an idea of what 300 hp does in a sled. The skidoo didn't even make it up the hill whereas the RX1 made a real good showing on what I would guess is at 10# of boost. The Apex comes up at probably 17-18 pounds of boost.    Ken..........
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  2. givemeaboost added a post in a topic YAMAHA RX-1 (140 HP) install in Kitfox 5   

    This is what they look like. If you try anything else you'll probably end up ruining the primary clutch. You just thread it through the primary and the smooth part goes into the end of the crank and pushes the clutch off the shaft. Don't use a cheapo one because the can bend and get stuck inside the crank.
    https://www.ebay.com/itm/YAMAHA-PRIMARY-CLUTCH-PULLER-SNOWMOBILE-EPI-PCP-6/280613120505?epid=654827600&hash=item4155d869f9:g:qtEAAMXQvJVRRzno&vxp=mtr
     
     
    Ken..................
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  3. givemeaboost added a post in a topic YAMAHA RX-1 (140 HP) install in Kitfox 5   

    Unless you adjust the RX1 clutching to make up for the 25% power loss this won't be much of an accurate test.
     
     
    Ken.........
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  4. givemeaboost added a post in a topic Great day!   

    What dam is that ?
     
     
    Ken............
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  5. givemeaboost added a post in a topic Yamaha RX1 Engines   

    Just so you guys know , some of the early rx1 snowmobiles experienced some kind of cracking on the oil tanks because of vibration. It may have been caused by all the bouncing around that a snowmobile goes through which shouldn't be a factor in a plane but I would mount them with some kind of rubber bushings between the tin and the frame. Check out this link.
     
    http://ty4stroke.com/search/682690/?q=cracked+oil+tank&t=post&o=relevance
     
    Ken.........
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  6. givemeaboost added a post in a topic Yamaha RX1 Engines   

    If you pull those carbs apart be real gentle with the needles. The plastic part that holds them in place is real easy to break if you push them down too hard and Yamaha doesn't sell just that part. Also don't forget the tiny o-ring underneath the carb cap.
     
     
    Ken.............
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  7. givemeaboost added a post in a topic Yamaha RX1 Engines   

    The RX1 engine is designed to run at a peak of 10500 rpms and has a gear reduction built into it that makes the output shaft rpm about 8500. That and the gear reduction on the gearbox will get the prop speed down to where it needs to be. I've run my turbo RX1 to 11000 when I was grass dragging it.
     
     
    Ken........
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  8. givemeaboost added a post in a topic Yamaha RX1 Engines   

         I don't know what the deal is. I just talked to Terry and his says it'timed out also. I can click on either one and they both come up. Maybe c5engineer can get his videos to work. Anyway Terry told me to put the particulars of his plane on here.
         It originally had a 503 with a Warpdrive prop on it and weighed 405 pounds.
    Added  new landing gear
    4 caliper Matco brakes
    Matco 8'' wheels with 22' manco tires
    RX1 engine ,radiator,oil tank,and all the goodies to make the 4 stroke work
    Matco 8'' dual fork tailwheel
    74'' Prince P tip prop.
    Empty wieight was 560# and 15# had to be added to the tail
     
     
    Ken............
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  9. givemeaboost added a post in a topic Yamaha RX1 Engines   

    Here's a little video of Terry's Avid.
    View My Video
    View My Video
     
     
     
     
    Ken...........
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  10. givemeaboost added a post in a topic Yamaha RX1 Engines   

    Do you have any pictures or a link to these aftermarket headers to fit the RX1 sled. I've never seen or heard of any headers,(other than the ones for turbos) just an aftermarket muffler to cut some weight.
     
     
    Ken..........
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  11. givemeaboost added a post in a topic Yamaha RX1 Engines   

    The sled didn't get the nickname (RX1 Ton) for being lightweight. Mine weighed in at 715 pounds full of all liquids. The complete exhaust system weighed in at 42 pounds and the muffler was a good part of that.
     
     
    Ken............
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  12. givemeaboost added a post in a topic Yamaha RX1 Engines   

    Isn't the idea of a muffler to quiet things down ?
     
     
    Ken....................
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  13. givemeaboost added a post in a topic Yamaha RX1 Engines   

    There's a video of his STOL drag race on Facebook.
    https://www.facebook.com/wildwestaircraft
     
     
    Ken...............
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  14. givemeaboost added a post in a topic 670 Rotax Needs rebuild SOLD, SOLD,SOLD   

    I sent you a message.
     
     
    Ken..............

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  15. givemeaboost added a post in a topic 670 Rotax Needs rebuild SOLD, SOLD,SOLD   

    Great Falls
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