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Vintage MRC Jet Boat - 1/31/2013 7:20 PM   
chrisroberts916


 

Posts: 4
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Joined: 1/31/2013
Last Login: 3/15/2013
From: Brunswick, OH, USA
Status: offline 		Does any one have any info on this boat? Maybe the year, power plant, production #'s. I've haven't been able to find anything on it. I want to convert it to brushless if I can find something to mate with the drive. Any suggestions or part #'s?






You got to admit, It is interesting.

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RE: Vintage MRC Jet Boat - 2/4/2013 8:49 PM   
sportygreg



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From: Dunedin, FL, USA
Status: offline 		The boat looks to be made of fiberglass and I think MRC made all ABS hulls but I could be wrong.I know it says MRC on the transom but maybe those are initials or Mr.C.It looks like it was powered by a nitro motor and the extra hole in the transom was for a tuned pipe or water outlet.The jet drive would have to be of good quality to stand up to nitro power-probably not something that MRC would produce.

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RE: Vintage MRC Jet Boat - 2/5/2013 7:10 AM   
Ron Olson



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From: Kalamazoo, MI, USA
Status: offline 		It's not an MRC or MRC-Tamiya hull, as it's probably just some decals that somebody put on it. I can't think of the name of it off-hand but it was made to run in many configurations with usually nitro power as an inboard or outboard. This is the first one that I've ever seen with a jet drive in it. The jet drive may be an older Graupner unit.
I also have to agree with sportygreg that I've never seen a fiberglass hull coming from MRC-Tamiya, usually really bad plastic hulls.

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RE: Vintage MRC Jet Boat - 2/5/2013 2:30 PM   
chrisroberts916


 

Posts: 4
Score: 100
Joined: 1/31/2013
Last Login: 3/15/2013
From: Brunswick, OH, USA
Status: offline 		The hull is fiberglass and the MRC is molded in it. It did have a small nitro motor in it. I have the electronics out of a brushless ProBoat that I plan on installing.
I contacted MRC and they was of no help, sayed it had to be atleast 30 years old and that they could not confirm if it was one of theirs.

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RE: Vintage MRC Jet Boat - 2/5/2013 4:19 PM   
Ron Olson



Posts: 17519
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Joined: 5/10/2002
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From: Kalamazoo, MI, USA
Status: offline 		OK, if it has MRC molded into it, it probably doesn't stand for Model Rectifier Corporation then.

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RE: Vintage MRC Jet Boat - 2/5/2013 7:51 PM   
Mikeup


 

Posts: 374
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Last Login: 5/13/2013
From: Clive, IA, USA
Status: offline 		Interesting isn't the word! Just for the fun of it; just to gut the interior and put electric motor up front with submerged drive in like an ECO. Motor could be a 3500kv on 2S giving you 25000 rpm on a 632 cut down to 630 with lipos in parallel like 2.2 in the 40-50c. The rudder can be placed 2" forward of transom with drive placed at 12 degree  with prop tips 1/8" from bottom of boat for ride.. I'd plexiglass the top in 2 pieces. Just my 2 cents. I have a hopf eco.

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RE: Vintage MRC Jet Boat - 2/6/2013 4:04 AM   
sundogz



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From: Harriet, AR, USA
Status: offline 		MRC is the name of the Jet Drive. It is very similar to the Powerjet sold by KMB, but a little smaller at 9" x 2-1/2", with a 38mm impeller, and had bearings in both ends (Powerjet has a bushing in the stator housing). Yours is missing it's reverse bucket. I think the Powerjet is a copy, as the MRC is a vintage drive. If I remember right, the Powerjet reverse bucket was the same size (I've had both in my hands at the same time). Absolutely suitable for a 40mm brushless motor. Keep the KV around 20,000 rpm's. A 1450kv Leopard 4082 or a Turnigy T600 outrunner on 4S would be a good choice with a T180 esc. Jet drives are energy hogs and not as fast as surface drive prop, but super fun in creeks and rapids.

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< Message edited by sundogz -- 2/6/2013 4:30 AM >

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RE: Vintage MRC Jet Boat - 2/6/2013 4:34 AM   
chrisroberts916


 

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Joined: 1/31/2013
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From: Brunswick, OH, USA
Status: offline 		Thank  you for the info on the jet drive.


Here's my idea of the power plant


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