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Thread: Possible new project

  1. Default Possible new project

    I am looking for something to do kind of bored so I think I would like to try to make one of my Casper Hydros into an RC. these guys are real small at 7.25 inches long so it will be a challenge so I was thinking of getting a small RC boat or car to rob the running gear from. Any suggestions would be great. I know I would probably need to make the rudder and strut thinking just one maybe two cell lipo.

    "Our society strives to avoid any possibility of offending anyone – except God.”
    Billy Graham

  2. #2

    Default

    Wow that is smaller than micro. You will need a motor that is one inch long and a tiny esc. Props will need to be cut down plastic.
    Randy
    For ABS, Fiberglass, Carbon hulls and Stainless hardware
    BBY Racing

  3. #3

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    What a cute project. Where did you get the hull? I have fancied a tiny FE boat for a while. Maybe using one of the 10g outrunners and 6A ESCs popular with the indoor flying guys. I have not done FE that size but I have RCed an airfix MTB with stripped out Futaba 3003 servos and used them for a motor and ESC in on 1s, I used 2000mAh as ballast so it didn't plane, but it has a fair bit of thrust, if you built light and used 1s 200mAh it might plane. It might also not, but it is a cheap experiment as you probably have (or know someone that has) an old standard analogue servo in the parts bin that wont ever be used again.
    Paul "tug Killer" Upton-Taylor, Cat lover.
    FastElectricBoats.co.uk

  4. Default

    They are available on eBay and I think the Hydroplane museum web store has them also

    Sent from my Moto G (4) using Tapatalk
    "Our society strives to avoid any possibility of offending anyone – except God.”
    Billy Graham

  5. #5

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    Very cool Jim have seen a few videos of these running in pools super fun looking!

  6. #6
    Join Date
    Oct 2013
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    la
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    Default

    Blackjack 9 rudder. Maybe pull some other things from the bj9 too. Servo would work. It doesn’t have a strut, just brass tube. You might could do the same thing
    32" carbon rivercat single 4s 102mph

  7. #7

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    Cool project! Maybe you can use parts from the boat in the link below. I purchased one at the beginning of the summer and I have more time running it than any of my other boats this year. It's a fun little boat and everything might fit in your project.

    http://www.ebay.com/itm/High-Quality...QAAOSwaPtZ3Y1Q

  8. #8

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    Jim, you use to be able to get a motor kit for the Casper boats, or are you looking for more power? I think I might just plug to a battery have steering of some sort, boat can't be that fast and let it go.

  9. Default

    Ya I was looking to go 1 cell lipo small servo motor and esc, brushed or brushless
    "Our society strives to avoid any possibility of offending anyone – except God.”
    Billy Graham

  10. #10
    Join Date
    Sep 2007
    Location
    CA
    Posts
    1,016

    Default

    Well, it looks like I will be picking up the baton on this one. I'll be extensively modifying it for RC. Ride pads for sure. Looking at the vacuum-formed bottom, it may get some re-shaping of the aft bottom, probably get a lot of air trap, a homemade rudder, a homemade micro strut, 1/32 wire drive, homemade coupler. Maybe a straight shaft would save some weight and complexity, we shall see. The BIG problem will be a prop. I'd like it to have a 1/16" or 3/32" diameter hub which means no commonly known prop will work. I may wind up silver soldering some brass or stainless steel blades to a stainless steel tube that will be part of the wire drive; i.e. the prop stub shaft will have the prop blades attached to it. That means I will have to fabricate some sort of fixture to hold the blades in the proper orientation while I attach them to the hub. Hmmmmmm.... I wonder what alternatives may be available.

    This project will have to take a back seat to my newest project: The 1/20 scale '80 Atlas Van Lines.

    Some equipment thoughts:

    Motor: https://hobbyking.com/en_us/turnigy-...or-4500kv.html
    ESC: https://hobbyking.com/en_us/hobbykin...c-1a-ubec.html
    Servo: https://hobbyking.com/en_us/hobbykin...html?wrh_pdp=3
    Battery: https://hobbyking.com/en_us/turnigy-...html?wrh_pdp=2


    UPDATE: I found a prop. With a bit of sharpening and shaping, I think it will work. See: https://www.ebay.com/itm/Brass-3-Bla...19.m1438.l2649
    Last edited by Dr. Jet; Today at 11:48 AM. Reason: Add update
    A nation of sheep breeds a government of wolves

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