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Xpress builds a 115 AJ Laser - PICTURE HEAVY!

Discussion in 'Giant / Scale ARF Build Threads' started by Xpress, Apr 10, 2018.

  1. 49dimes

    49dimes Damn I'm hungry

    Nice, clean and forward install you got going. Boast's "reliability" :attaboy:.

    Can you tell us about those really long antennae leads? Does not just the last inch or so actually do the signal reception / Telem transmit ?
  2. Xpress

    Xpress GSN Sponsor Tier 1

    Yes only the last inch is the active portion of the antenna. Multiplex opted to make these leads long in order to allow users to better place the antennas as far away from obstructions as possible. For me, in the rear area of the fuselage below the turtle deck has seemed to work the best.
    Snoopy1 and 49dimes like this.
  3. Xpress

    Xpress GSN Sponsor Tier 1

    Got to work on setting the cowl up with baffling and a low pressure lip. I went with the "D" shaped cutout in the bottom and fitted a creative foam low pressure lip. Creative foam was also used to make the baffles for the engine.


    If you'll notice I also opened up case vents on the inside of each baffle to allow air to flow to the engine casing and aid in cooling it.



    Last little tidbits should be taken care of tonight, aside from the snakeskin that's still in the mail. Maiden is set for Saturday.
    49dimes and pawnshopmike like this.
  4. Xpress

    Xpress GSN Sponsor Tier 1

    Just a little more work to do tonight with putting snakeskin over the wiring inside, and mounting RX pack, but otherwise CG is checked, rudder linkages are re-adjusted to clear the stabs, and transmitter is programmed up.

    Snoopy1, pawnshopmike and 49dimes like this.
  5. 49dimes

    49dimes Damn I'm hungry

    Looking REAL good! FIRE IT UP! :yesss:.
    Snoopy1, pawnshopmike and Xpress like this.
  6. Snoopy1

    Snoopy1 640cc Uber Pimp

    Looks great just needs a spinner then it will be done.
    Xpress likes this.
  7. Xpress

    Xpress GSN Sponsor Tier 1

    The one that came with it needs a little adjusting to fit properly, but I may just hold out for a Falcon spinner like I put on my 105" Laser.

    Snoopy1 likes this.
  8. Snoopy1

    Snoopy1 640cc Uber Pimp

    Have to agree with you falcon does make a nice spinner, if do not need weight upfront Falcon is my choice.
  9. Xpress

    Xpress GSN Sponsor Tier 1

    Either way, it's getting a Falcon spinner :D If it needs more weight up front I'll just bolt some weights on somewhere to shift it forward, likely under the cowl.
    Snoopy1 likes this.
  10. Xpress

    Xpress GSN Sponsor Tier 1

    Woohoo it flies! :woohoo!::woohoo!:










    I am going to switch to a Falcon 32x11W propeller, the Falcon 32x12 is just too much pitch. It's not that the engine can't lug it, because it rips it on the uplines at 3/4 throttle, it's just that the thing doesn't slow down. I'm hovering at 1/3 throttle too!!

    The airplane itself is probably one of the most responsive airplanes I've ever flown, it has a TON of aileron authority!! So much so that I'm going to make some adjustments to my 105 Laser because I believe I'm not getting the right aileron throw out of it. Hitec HSB-9381TH servos are rock solid and super locked in too. Can't wait to fly this thing more, 4 flights and the engine is getting stronger every single flight (it has maybe 2 gallons through it, she'll start making its full power around 5 gallons). :mario-banana:
    49dimes, dhal22, LuKa and 3 others like this.

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