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Thread: RC Surfer


  1. #176
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    RE: RC Surfer

    This might help.[link]http://www.offshoreelectrics.com/search.php[/link] You need
    a coupler that fits both shaft sizes. Type coupler in search box.
    Jocktime
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  2. #177
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    RE: RC Surfer

    I have been dealing with that same righting problem. My friend made
    his own surfer guy. He shaped it out of foam and coated it in resin.
    Very similar to original Kyosho
    surfer
    in size and weight. With a little lead in the bilge it works great.
    I think the Lisa Doll is to tall and heavy.
    I might buy the original Kyosho replacement doll
    from rcsurfrider and just expoy it on.
    The original Kyosho Doll is low profile and light weight allows keel or bilge
    weight to work and helps with righting.. I'm working on this..
    I'll post some pic's of my friends surfer dude and board soon. He also made and shaped
    the board and added top of the line Mods...........
    Jocktime
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  3. #178

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    RE: RC Surfer

    My surfer lisa self rights quickly and every time. I think it's because I always use a 7-cell flat pack. There is enough room, performane is enhanced, and it self rights every time-maybe it's the extra weight.

  4. #179
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    RE: RC Surfer

    I agree toyguy the weight has got to help.
    I know my Lisa Doll also would fill with water
    witch held it down. I put silicone around the neck
    and all joints and it worked much better, but still
    gets stuck sometimes.
    Jocktime
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  5. #180
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    RE: RC Surfer

    Hi Randy,

    Photo's of Morty's homemade surfer.

    jocktime
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    www.maui********.com
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  6. #181
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    RE: RC Surfer

    Wow, This is what I want To Try. The shark Boards And China lisa Leak and Have Problems.
    Did Morty Use Glass also. The Shape Looks Awesome. Is The Deck / surfer guy foam / resin too ?
    I see Morty used a marine deck seal, thats the way to go. But how do I screw the surfer to the deck ?
    Did morty sink stainless nuts in the foam, so he could bolt the deck down to the board?

    I bet this dude rips ...
    Please help, I want to try one myself.

    Any info on foam, stringer glass wieght would help a lot.

  7. #182

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    RE: RC Surfer

    Ok, after takin my NQD surfer out a number of times it's clear that the build quality is a little shabby. I find i am having to constantly add water-proofing after a session, broke 2 props and metal parts are very prone to corrosion. The most recent is the rudder assembly came undone and let aload of water in. Opened it up when i got home and all the electronics where soaked! Dried it out in the sun and luckily it fired back up!
    Saying that it is good fun - still waiting to install new motor and replace stock electrics but it will do for now.

  8. #183

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    RE: RC Surfer

    hey i add weight to the board shark right under the front part of the battery anall is good i also glue the surf in one place an seal his head up an he now right himself .will post pic later but I HAVE TWO NEW BOARD SHARK IN THE BOX
    FOR SALE 120.00 EMAIL TO 123COOL321@GMAIL.COM, IAM IN HUNTINGTON BEACH CA. 92648
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  9. #184

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    RE: RC Surfer

    how do i get the plastic motor coupler off the original prop shaft on the NQD model? Its on super tight - is it glued? Do i need to get a new prop shaft?

  10. #185
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    RE: RC Surfer

    biglenn,
    I used a Dramal tool with a small cutting blade and put a few cuts in the plastic coupler,
    then pealed it off. Then bought a new coupler from Tower Hobbies. No need to
    change the shaft.
    Jocktime
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  11. #186

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    RE: RC Surfer

    i have an orignal lisa - this year decided to up the motor and use a water cooled esc. she works fine and a lot more speed but the minute you hit full throttle the esc kicks in? any sugestions? im using the 19 turn motor by ********. the power is there just she cuts for a few seconds the minute apply full throttle. yet out the water she runs fine. esc is a high spec to handle the battery packs as learnt after melting me first one, smoke every were

  12. #187
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    RE: RC Surfer

    what ESC is it?
    1/16 e-revo vxl, Mini LST2, Blade 120SR heli, Blade MSR heli, Blade MBCX heli, Slowstick, Minimag, DX7, DX3S

  13. #188

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    RE: RC Surfer

    here my boardshark rebuild to work it selfright it all good i cut the surfer off the lid an move it forward 19 turn motor mic swicth for power on only an a volts reguerlater 5v for the reciver add lead under the front part of the battery new rudder sevor
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  14. #189

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    RE: RC Surfer


    ORIGINAL: dacaur

    what ESC is it?


    hi its this one

    http://www.ripmax.com/item.asp?itemi...tegory=060-050

    cheers

  15. #190
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    RE: RC Surfer

    all I can think of is to make sure you have water going through the heatsink... where is your water pickup? The way you describe it, it sounds like the esc just cant handle the amp draw when you hit full throttle. There is way more resistance to the prop turning in the water than in the air, which would explain why its fine when its out of the water... looking at the specs for the price of that ESC, I would say its probably pretty cheaply made, not cheap like inexpensive, cheap like crappy.... Those are some pretty high numbers for such a low cost esc... If it were made by a reputable company I would expect it to cost $100 at a bare minimum.... So either the esc is not actualy able to handle what its "rated" at, Or you just got a defective one...
    You might also try swapping out the motor, but I suspect the esc is the problem,
    1/16 e-revo vxl, Mini LST2, Blade 120SR heli, Blade MSR heli, Blade MBCX heli, Slowstick, Minimag, DX7, DX3S

  16. #191

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    RE: RC Surfer

    My latest creation, Any Questions?
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  17. #192

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    RE: RC Surfer

    Here are a couple more shots. I finally got this thing perfected and ready for market after 2 years of R&D. Enjoy the learning curve and plan on spending lots of money, if you are as hooked as I am.
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  18. #193

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    RE: RC Surfer


    ORIGINAL: dacaur

    all I can think of is to make sure you have water going through the heatsink... where is your water pickup? The way you describe it, it sounds like the esc just cant handle the amp draw when you hit full throttle. There is way more resistance to the prop turning in the water than in the air, which would explain why its fine when its out of the water... looking at the specs for the price of that ESC, I would say its probably pretty cheaply made, not cheap like inexpensive, cheap like crappy.... Those are some pretty high numbers for such a low cost esc... If it were made by a reputable company I would expect it to cost $100 at a bare minimum.... So either the esc is not actualy able to handle what its "rated" at, Or you just got a defective one...
    You might also try swapping out the motor, but I suspect the esc is the problem,

    cheers, ill take it back. i did say if it could not handle the job id be back for a refund.

  19. #194

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    RE: RC Surfer

    After the rudder assembly came off and let aload of water in the crappy stock electrics gave up and the motor seized after a week of not using it! so finaly got it together and out with the old and in with the new.
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  20. #195

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    RE: RC Surfer

    Hi guys, great forum & loads of useful advice.

    I too have bought an NDQ on ebay for £25 and was suprised it worked and surfed out of the box - absolutely great fun.....for a while! As expected after only one 3300nimh battery pack the electrics & motor burnt out!!

    So following the advice here I've gutted it, waterproofed and have rebuilt with a hitec servo, mtronics marine esc, 19T motor and improved cooling but am having trouble with the motor coupling.

    biglenn - notice you are using an NDQ, what coupling did you use for yours?

    Ideally I want to use the same motor mount so coupling can't be too big. I have picked up one end of a coupling from a local model shop (similar to the 3.2mm plain coupling insert here - http://www.cornwallmodelboats.co.uk/...couplings.html) but it's not ideal as the grub screw part attaches to the motor shaft but the other end needs to be glued/fixed to the prop shaft (I have dremmeled the plastic off so just have the ribbed end of the prop shaft).

    Does anyone have any suggestions for how to fix this to the prop shaft i.e. what glue / fixing material to use? Alternatively can anyone recommend a coupling that will do the job? Both motor and prop shaft appear to be 3.2mm.

    Thanks in advance for your help.

  21. #196

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    RE: RC Surfer

    007gb - I have exactly the same problem. i've gutted it and fitted all my nice new gear but the motor coupling kept coming loose on the propshaft end - Its 3.2 both ends attached with grub screws that i picked up in a local model shop. I thought maybe some threadlock or something may do it? Or maybe grinding a flat in the propshaft like the motor? Would this work? Small problem with alignment too, maybe a UV coupling would sort that?

    Wheres the best place to get new props in the UK? The model shops where i live only stock out of the box stuff.

  22. #197
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    RE: RC Surfer

    yea grinding a flat on the shaft would definatly solve the problem, I would do that AND threadlocker...
    1/16 e-revo vxl, Mini LST2, Blade 120SR heli, Blade MSR heli, Blade MBCX heli, Slowstick, Minimag, DX7, DX3S

  23. #198

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    RE: RC Surfer

    grinding a flat definitely works....got this information from german rc-forum....

    micha

  24. #199

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    RE: RC Surfer

    Thanks for the responses guys,

    Biglenn - so what coupling did you get that fitted and had 2 grub screws and where was it from? My problem is that I have to glue one end as I only have something with one grub screw - that lasted for 5 mins before coming unstuck! That was with super glue but I've now bought some metal glue to see if that would hold it longer?! A little optimistic I know.

    The chap at a local model shop that specialises in boats got a UV coupling for me to look at but they're much longer so new motor mounts would need to be installed and it pushes the motor into the space where the electrics need to be. They did have a good selection of boat spares/parts so you may find props here or at least they can order them - http://www.westbourne-model.co.uk/

    Thanks to dacaur & MiFi endorsing the grinding of a flat spot on the propshaft - seems to be the way to go.....if only I could find a suitable coupling......

  25. #200

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    RE: RC Surfer

    Think I have found what I need:

    A Graupner 3346 - Coupling Sleeve 3.2mm, looks like it has 4 grub screws so with some locktite should hold firm!

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