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Author Topic: Dumas Crist Craft Run About Speed boat  (Read 13383 times)

Meyer

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Dumas Crist Craft Run About Speed boat
« on: August 03, 2011, 04:22:29 PM »

Hi, I built this from a kit over 20 years ago, how, its a complete strip down, and rebuild project, " going water cooled, brushless motor 3600 and a 60 A speed controller, new ball race propshaft by Prop Shop , should be fast when completed, !!!



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Craig Dickson

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Re: Dumas Crist Craft Run About Speed boat
« Reply #1 on: August 03, 2011, 06:37:55 PM »

Hi Roy

I love the look of your boat. There really is a lot of satisfaction to be had from bringing back to life a project that has been untouched for so long. I hope you get as much pleasure as I did with my Huntman 31 which had been untouched for 20 years also.

Please do keep us updated with further images in due course. :-))

Cheers
Craig
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #2 on: August 04, 2011, 10:51:52 AM »

Hi Craig,
Many thanks for your post, Its very interesting how motors and speed controllers have developed over all these years,
I'm busy  sanding off the old fiberglass, !!! which is not an easy task, but Dumas used top quality woods, so theres plenty of meat to go at , with effecting the finish,
going to use a good sanding sealer, and then a final finish with spray acrylic gloss, for a stunning finish, !!!

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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #3 on: August 04, 2011, 11:33:44 AM »

another shot of the stern, "God save Dramel" !!!


When I first build her, I used a liquid fiberglass on all of the insides and bottom of the boat, I also fiberglass the outside bottom of the hull and sides and stern, so you can see, this made the boat extra strong, (with other boat users in mind in case of a crash)!!! but a pig to take off,!!! but I'm getting there, I don't want to loss the classic style of this craft, so keeping the original rudder and just up grading the prop to a ball raced "Prop Shop" special, Hardware is a 3600 Brushless water cooled motor and W/C speed controller, pushing 60 amps, should be real fast, but in keeping with the Crist Craft style.
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MikeA

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Re: Dumas Crist Craft Run About Speed boat
« Reply #4 on: August 04, 2011, 01:39:56 PM »

what brushless are you using?
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #5 on: August 04, 2011, 03:44:45 PM »

Hi , thanks for your post,
 I'm going to be using a Seaking 3600 water cooled brushless with their matched Seaking 60 amp  speed controller, esc ca060/61
I don't know much about " brushless" so will be a very interesting learning curve for me, " I'm into Steam" normally, !!!
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MikeA

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Re: Dumas Crist Craft Run About Speed boat
« Reply #6 on: August 04, 2011, 04:37:03 PM »

neither do I. I was hoping you did so i could leach you of your knowledge :}
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #7 on: August 04, 2011, 08:08:23 PM »

Hi, yer, Its going to fun, I've size the motor around the prop siize at just under 4mm, getting back, talking about the prep work,!!! its coming along quite nicely, I'm using 100 grit on my sander, and then a fine 80 grit on my dramel, and then a 40/60 on a wood block to finish off with,
I notice that, some of the original  wood glue is coming out , not very much , (but this will effect the look ), so I'm using a product from the states, its called Quick Wood is a repair Epoxy type of Putty brown in colour and this works a treat on those areas, as you can see, the quality of the shine of the wood is coming through now. going to use a sanding sealer, and then , if I've lost any colour in the wood, after all this sanding, then I'm to use a thin Teak oil base finish, to bring back the wood colour and then finish off with  a good quality acrylic gloss spray.

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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #8 on: August 05, 2011, 05:18:06 PM »

Hi, well that the sanding done, !!! I've oiled the deck with a teak oil, to bring back some of the dark tones lost will all that sanding,!!!



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gwa84

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Re: Dumas Crist Craft Run About Speed boat
« Reply #9 on: August 06, 2011, 12:37:18 AM »

looking very nice  :-))
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #10 on: August 06, 2011, 02:59:57 PM »

Thanks gwa, for your post, yes I'm pleased with the finish, justwaiting on the sanding sealing, and acrylic spray, just need to do a light polish on the bottom of the hull, just got these bits to fit, auto bailer, 2 x water outlets, water scoop, and rudder, waiting on the prop,


Question: can any one tell me , which way round do I fit the auto Bailer ? thanks








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MikeA

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Re: Dumas Crist Craft Run About Speed boat
« Reply #11 on: August 06, 2011, 04:59:01 PM »

from the look of it the auto bailer looks like a checkvalve, assemple it and blow threw it. it should only go threw 1 way, then install it so the direction is out.
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #12 on: August 06, 2011, 06:12:34 PM »

Hi Mike, thanks, thats a great idea, cheers Roy
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MikeA

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Re: Dumas Crist Craft Run About Speed boat
« Reply #13 on: August 06, 2011, 07:24:27 PM »

Hi Mike, thanks, thats a great idea, cheers Roy

tell me if it works
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #14 on: August 08, 2011, 06:28:29 PM »

Hi Auto bailer sorted and fitted together with the water cool out let, !!!
next job is fitting the propshaft and water scoop,



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MikeA

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Re: Dumas Crist Craft Run About Speed boat
« Reply #15 on: August 08, 2011, 06:34:59 PM »

have you checked that autobailer is below the water line  :o probably bit stupid of me to mention this now if you havent
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MikeA

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Re: Dumas Crist Craft Run About Speed boat
« Reply #16 on: August 08, 2011, 06:49:15 PM »

like this in order for it to work  {:-{
http://www.funrcboats.com/prvillautob.htm
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #17 on: August 13, 2011, 07:34:22 PM »

Hi Mike,

thanks for your posts, I've now fitted the auto bailer and the water outlet, finished the hull , with sanding sealing, and sanded diwn with 220 grit, sprayed with a clear acrylic, now re-fitting the deck fittings, Rudder cleaned and greased, and re-fitted, just waiting on prop now to continue,



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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #18 on: August 13, 2011, 08:35:28 PM »

Here's an other pic

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Martin [Admin]

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Re: Dumas Crist Craft Run About Speed boat
« Reply #19 on: August 13, 2011, 10:25:25 PM »

Please, please, please test that the acrylic spray is compatible with any other materials you will be using!  {:-{
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #20 on: August 13, 2011, 10:40:56 PM »

Hi Martin,

 thanks for your post, A very good point, I have checked all the boxes for use off, and found to be OK,  The insides walls and hull are all fiber glassed and the bottom, the top deck had been sealed, prior to the acrylic spray, so I feel all is good, I'm pleased with the finish now.
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #21 on: August 15, 2011, 10:50:36 PM »

Hi Well, I've now fitted a servo Futaba 3003 for the rudder "tested works fine,, and stated to re-fit the deck fittings,while I wait for the prop to come in the post and
I have striped down my vintage lamps (these are about 30 years old" very had to find now  days.







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andyn

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Re: Dumas Crist Craft Run About Speed boat
« Reply #22 on: August 16, 2011, 12:53:39 AM »

Seeing as you've fitted an autobailer, which from years of experience of people wondering where leaks are coming from, I can tell you they do not work as they should. If you stop I assure you the inside bits of your boat are gonna get wet....
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Meyer

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Re: Dumas Crist Craft Run About Speed boat
« Reply #23 on: August 16, 2011, 09:51:43 AM »

Cheers Andy,
I was pondering, on the same thoughts , "I have no experience with auto bailers, so to be damped "I suck it and see", if it does not work , I'll block it off, thanks for your post and followed interest.
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Martin [Admin]

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Re: Dumas Crist Craft Run About Speed boat
« Reply #24 on: August 16, 2011, 12:45:41 PM »

I've use them with some success in the past.
Usually they leak when they ingest various flotsam & jetsam  or bits of detritus floating round the bottom
 of your boat that you didn't know about. Just wash it it regularly and you should be OK.
 
( I realise it;'s a bit late now but if you can bit of an 'up' angle on it, it helps the ball float to the top of the tube
  which helps with the seal. )

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