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Thread: Dumas S Series Scarab 30"

  1. #1
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    Default Dumas S Series Scarab 30"

    I just scored this little Dumas Scarab from Trade Me (our version of Ebay) here in NZ. I was tossing up what drive setup to do in this but now I have it in my hand it will just have to have a P1 drive. The plan is to see if I can get some one to make me some new vinyls and to strip, repair, tidy up and repaint the boat. This one will be just a fun runner, and I,m thinking that the P1 drive running 2s2p should give a good scale speed with long runtimes. A build thread will follow.

    20170531_105452.jpg20170531_105611.jpg20170531_105409.jpg20170531_105353.jpg20170531_105550.jpg
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
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  2. #2
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    That's sweet! I have a 30" Dumas v-bottom hull as well, it's not the Scarab version but similar, with a P1 drive on the back. Looks like the transom of the Scarab is angled like my hull, you will have to make a wedge shim to mount the drive perpendicular to the bottom of the hull. I just ran mine for the first time last weekend, I was surprised how fast it runs on a 3s 5000ma pack, it scoots! I run a Swordfish 120a ESC, seems to work good. I love the scale cockpit on your Scarab, that boat will look great with the P1 drive, looking forward to seeing your build!! I have finished thread of mine just below this thread that I posted just the other day, and somewhere I have a build thread on the boat too if you need any ideas!

  3. #3
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    I was looking at your boat. I'll hunt out the build thread, I remember that too.
    This is what it should like when finished.

    28262-64.JPG28262-4.jpg28262-10.JPG28262-69.JPGs-l500.jpg

    I have a niece that does design/print and she will make me new vinyls for it.
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  4. #4
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    Nice find. Funny, the model's condition is about what I would expect the full size version to look like tucked away in the back of a marina somewhere, faded dirty seats and all.
    Vac-U-Tug Jr (13mph)

  5. #5
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    Quote Originally Posted by fweasel View Post
    Nice find. Funny, the model's condition is about what I would expect the full size version to look like tucked away in the back of a marina somewhere, faded dirty seats and all.
    Yep I got when I realised what it was. It is in not too bad condition for a 30 year old boat. The nitro residue inside is a bit of a pain to clean out, but I have managed to remove most of it so far, just the stuff in the f/g weave.
    From what I can make out, most were made as static display models without a removable top. I figure it could be a pretty rare model, but it's not going to just be a shelf queen. This will be my 'play' boat as I don't like running my race boats outside of normal racing/practice.
    The bonus is I paid NZ $96.20 for this, plus some postage.
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
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  6. #6
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    There is a product called Simple Green, not sure if you can get in NZ but it works great for cleaning the inside of an old gas boat. Excellent find btw

  7. #7
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    Yep we get simple green here. However I had a bit of a locally produced degreaser called 'Grunt'.
    Here's the result.
    Before
    20170531_151712.jpg
    After
    20170601_114602.jpg20170601_114607.jpg
    Even the seats cleaned back up!
    20170601_114557.jpg
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  8. #8
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    Even have a manufacture date, 8-12-87. Makes this all but 30 years old. The top has a matching date.

    20170531_145039.jpg
    Attached Images Attached Images
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  9. #9
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    The static models look great, I'd love to have one just for the mantle! But the runable version will be much more fun! Dumas is still in business aren't they?? I wish they would re-issue some of there old hulls like the S-Type Scarab. If you can find one they seem to go for good money, you definitely got a great score! Again, I'm really looking forward to seeing this build come to life!

  10. #10
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    I'd be tempted to make some moulds of this boat if I had the time, but I will just enjoy this one. I am looking forward to seeing it on the water.
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  11. #11
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    I made a hatch mold for this boat already off a new, unused hull kit. I will eventually make the boat molds. Mike
    Laser cut, birch plywood rc race boat kits- WWW.MLBOATWORKSRC.COM WWW.DINOGYLIPOS.COM

  12. #12
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    Ok, so after ages... I am onto this project. I got a P1 drive from OSE the other day so it is time to get this boat done and in the water.

    20170903_151217.jpg

    So First job was to strip off the decals and clean off the glue residue.

    20170903_151145.jpg

    More to come as I work through this project.
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  13. #13
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    So it's been ages since I updated this thread. In the end I sold the P1 drive and opted for a standard stinger setup. I also just decided to paint the boat and it has come up looking okay.

    20180812_145009.jpg20180812_144939.jpg20180812_145024.jpg20180812_145105.jpg
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  14. #14
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    Power is a TP 3630 1500kv with OSE radier 150 esc. On a Prather 220 it has a good turn of speed (maybe 50-55kph) which is fine. It handles great and I hope to give it a bit of wave bashing this weekend. I like this boat a lot but it is for sale now to help fund some new boats.

    20180812_145054.jpg20180701_090326 (1).jpg20180701_090347 (1).jpg20180701_090337 (1).jpg
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

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