Model Boat Mayhem
The Shipyard ( Dry Dock ): Builds & Questions => Working Vessels => Topic started by: Netleyned on July 03, 2017, 12:39:23 pm
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Has anyone on Mayhem built this model?
I'm after ideas for motors etc as I only have the
plan.
A scan of the article would be helpful if anyone
has it.
I will attempt to put up a photo of the build so far
when my camera battery is charged.
Ned
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what sort of vessel is it ned..............looks very nice. :-))
Jim.
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Calmac Ferry Jim,
Cars go in where the gap is
onto turntables and then inside.
Semi scale and 1/75.
Ned
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ahh, super...........I've been watching neils build first hand of his Calmac Jupiter........there are some lovely new and old ships in that fleet, and the more models built of them the better I say.
I will watch this with as much enthusiasm as I did his.
thank you.
Jim.
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This was the Rothesay ferry before the Juno/Jupiter times and they have been replaced by a new Bute
that I think carries 60 cars Jim.
Ned
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This was the Rothesay ferry before the Juno/Jupiter times and they have been replaced by a new Bute
that I think carries 60 cars Jim.
Ned
thanks Ned..........sounds a wonderful place for ship spotters.
Jim.
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hi ned,
i have a copy of the 2007 model boats with the TSMV bute . there is no help with motors, as it mainly talks about its history what happend to it the colour scheme etc. if you still want it a scan i will scan it later tonight then email it to you if you let me have your email.
david
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Hi David,
Thanks for the offer, but
Dougal99 has offered the same.
and he is sending the scan.
I think a couple of 380/400 should
suffice, so I will be looking that way I think.
Ned
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Scans sent. :-))
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Scans just arrived,
Thanks Doug
Ned
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Looks like you're making a nice job of the model, so I'm jumping aboard, thanks for posting Ned. :-)
Regards,
Ray.
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i would allow space for a 545 or even better 555 on 12 v battery, if you need more zip, then its easy, 385 dont like constant heavy load, and may struggle in a blow
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It's twin screw so a couple of 385's should
suffice.
It's less than 30" loa, and, being a ferry,
scale speed is quite sedate.
I think the 555's would be a bit overkill.
Ned
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Yes, it's actually quite a small boat. 385s would be more than sufficient.
I built one from Vic Smeed's Arran plan around 1968 or so.
Colin
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The article from Model Boats - September 2012 recommends twin 385s connected with a single 15 amp ESC. He also included a mixer to get counter rotation on his props but I'm not sure why, surely he could just have wired them up opposite?
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The 2007 mag doesn't give any motor details.
I didn't know there was another article on it.
Ned
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I think that it's a different build but still from the Pottinger plan. It was the September 2012 issue.
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Can't find it in back issues or ebay <:(
Ned
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Nice looking model is that!! Will keep an eye on this one methinks :-))
As for motors - my first choice would also have been a pair of 385's. More than ample enough to move this one about. Maybe a pair of 30mm dia props would be sufficient too. Not too large as to be over-scale.
C
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The original Jim Pottinger feature was published in 2007 and republished as a free plan in the 65th Model Boats Anniversary Special in 2015.
The September 2012 issue of Model Boats featured a build article by David Heaps. His model used two 385 motors and he also mentions a mixer but then goes on to describe fitting microswitches to reverse the screws at extreme rudder angles. It's not altogether completely clear how this works. However a conventional twin ESC setup with mixer should work fine although a bit more expensive than David's solution.
Colin
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If you PM me an e-mail address I'll send a scan.
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I won't be doing steering courses with it %)
Twin props, twin rudders will turn it a bit
better than your average grey funnel O0
Before I go any further, I will stick the
Motors in and try it with some plastic props
before deciding if it needs a mixer and
some nice shiny brass (I assume 4 blade)
propellors.
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4 blade props would be most suitable - the Raboesch ones will be fine and very cost effective.
One tip - try to mount the shafts (if still possible) just a little outboard of the rudders and have the props turning inward (port side clockwise / stbd side anti-clock as viewed from the stern). The wash across the rudders is more effective than having the rudders perfectly in line with the centreline of the shaft.
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It also enables the shafts to be withdrawn without removal of the rudders!
Colin
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The shafts are in and the rudders.
The shafts are about a half inch
outboard of the rudders so I don't
think we will have a problem.
Ned
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:-))