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The 'What did you do in your workshop tonight?' thread

Discussion in 'Giant / Scale RC General Discussions' started by Xpress, Sep 13, 2014.

   
  1. BalsaDust

    BalsaDust Moderator


    Yeah I put one coat on when the trees where cut and it soaked it up. Need to add more actually.
     
    Snoopy1 likes this.
  2. BalsaDust

    BalsaDust Moderator


    Oh just this and that.
     
    pawnshopmike likes this.
  3. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Well had a chance to mount the 3W on the test stand late last night. Hopefully if the weather cooperates I will be able to see if it runs properly on Saturday and if it is does it can be reinstalled back into the pattern ship. Pictures to follow.
     
  4. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Ran the engine it ran great for about 4 minutes then everything went for a sh1*. Motor has to stripped again to see what is going on , the only thing positive is that the ignition works great and the carburetor . I believe the red RTV has let go, will see later on to day .
     
  5. acerc

    acerc 640cc Uber Pimp

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    If the RTV gave way I would suggest Permatex type 2...
     
    Snoopy1 likes this.
  6. AKNick

    AKNick 150cc

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    You could use a flameseal/proseal/chemseal alternative too.
    https://www.aircraftspruce.com/catalog/appages/chemseal09-04612.php
     
    Snoopy1 likes this.
  7. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Well stripped the motor down and sure enough the RTV had let go. Also stripped the head off and checked the piston rings they were great looked like new. So back together again but used what 3W Germany recommended. Put it back together. Back on the test stand and it ran great . So letting it cool down and will putting it back into the 50cc pattern plane. Hope it done for Sunday flying if the weather is ok.
    @AKNick and @acerc thanks for the help and suggestions if it dies tomorrow while flying I will try the stuff you guys are suggesting. Aknick the stuff you recommended looks very promising it says all the right things.
     
    AKNick and pawnshopmike like this.
  8. AKNick

    AKNick 150cc

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    Its great stuff, takes a bit of time to fully set up. They make different types of cure time and viscosities to consider. The 1/2 or 1/4 would be the way to go (set up time 1/2hr-1/4hr) and wait a day or two before using. A or B stand for viscosity, A would be the brushable thinner stuff. B1/2 is pretty common. This stuff is used for sealing aircraft windows and aluminum lap joints for pressurization, and composite seams for sealing. It stinks like swamp arse... you've been warned. It's excellent for fuel related stuff. I have literally used it on a aluminum fuel tank with a thick fiberglass matt over a crack before. The stuff works. Remember the gray sealant that fortitude used on their older fuel tank caps? Yeah... that's the stuff.
     
    Snoopy1 likes this.
  9. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Thanks again hopefully what I did earlier today works if not I will have buy some the stuff you are describing
     
  10. BalsaDust

    BalsaDust Moderator

    Video of the sawmill cutting one of the Black Cherry trees the other day.

     
    WMcNabb, AKNick, dhal22 and 1 other person like this.
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