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Author Topic: Unique subject to model  (Read 1400 times)

Andy M

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Unique subject to model
« on: August 19, 2021, 11:46:03 pm »
I found this in a magazine from 1934, pretty sure it never reached construction stage.
I wouldnt fancy being in one if it was doing 100mph.....

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RST

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Re: Unique subject to model
« Reply #1 on: August 20, 2021, 01:06:25 am »
https://en.wikipedia.org/wiki/Roller_ship

....maybe it would work in a Gerry Anderson type reality?

From wikipedia...

"The idea briefly resurfaced in the 1930s, with proposed designs for a large "tricycle" liner appearing in Modern Mechanix in 1934,[10] and a much smaller four-wheeled boat in Popular Science in 1935."

If Ashley Needham caught wind of this he'd no doubt and have a fiddle with something working in a fortnight but alas he's not on this forum!.
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canabus

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Re: Unique subject to model
« Reply #2 on: August 20, 2021, 01:27:46 am »
Hi RST


It's  a Ashley boat for sure !!!!


Canabus
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RST

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Re: Unique subject to model
« Reply #3 on: August 20, 2021, 01:52:02 am »
I think it was discussed somewhere on here in the relatively recent past as I recognised it straight away but couldn't put a finger on it.  Search function, no surprise, turned up nowt but I remember the phrase "roller" so naturally Google found it instead.


...what's next Andy? Fancy having a go at it?  I reckon you'll need some bigger motors to get the discs spinning.



Rich
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canabus

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Re: Unique subject to model
« Reply #4 on: August 20, 2021, 04:18:58 am »
Hi RST


I have capture the screenshots and forward onto Ashley with a WHY, WHY !!!!


Canabus
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Circlip

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Re: Unique subject to model
« Reply #5 on: August 20, 2021, 10:19:41 am »
It's only a minimalized catermeran and "Segways" are in common use.


  Regards  Ian.
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warspite

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Re: Unique subject to model
« Reply #6 on: August 20, 2021, 12:06:41 pm »
The concept was last shown in a thread that remarked on strange ships, like pivoting joint between the forward centre and stern hulls, the thread had several old photo's if my memory serves me.
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Skrotiz

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Re: Unique subject to model
« Reply #7 on: August 20, 2021, 04:55:51 pm »
This actually look like a cool model to build.
A small prototype version should be quick to 3d model and print but I don't see so much hope for any success other than it would defenitly float if build right.


If the wheels are built strong it could get out of the water nicely on a little ramp.
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tonyH

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Re: Unique subject to model
« Reply #8 on: August 20, 2021, 06:43:29 pm »
Would a sub gyro be fast enough to react?
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ChrisF

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Re: Unique subject to model
« Reply #9 on: August 20, 2021, 06:46:57 pm »
I like how in the comparison with a traditional vessel it sits conveniently between waves!
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malcolmfrary

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Re: Unique subject to model
« Reply #10 on: August 20, 2021, 08:32:27 pm »
More a paddler than a catamaran.  Sort of a candidate for a bit of steampunk. 
In any reality, would probably dig a pair of holes in the water for itself and produce an impressive pair of rooster tails without actually going anywhere.  But I'll wait for Ashley to prove me wrong.


Of for further inspiration how about this from 1897?



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RST

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Re: Unique subject to model
« Reply #11 on: August 20, 2021, 09:45:03 pm »
Quote from: warspite on August 20, 2021, 12:06:41 pm
The concept was last shown in a thread that remarked on strange ships, like pivoting joint between the forward centre and stern hulls, the thread had several old photo's if my memory serves me.

...I couldn't find that thread for love nor money the other night.
Quote

I like how in the comparison with a traditional vessel it sits conveniently between waves!
...marketing is everything I guess!

Quote
It's only a minimalized catermeran and "Segways" are in common use.

...I can't see that comparison myself -swamp racers are as close to it in that case once they getup and aquaplaning.

Quote
This actually look like a cool model to build.

...I think it might be a case where the model might well work easier than the original.

Back to AndyM though.  He has a cunning skill of putting things together though as I said he might need a bigger pair of motors to spin up the wheels this time.

Rich




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warspite

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Re: Unique subject to model
« Reply #12 on: August 21, 2021, 12:08:46 pm »
From memory (which has been has been shown to be problematic in the past) the thread was contributed to by martin if not started, with a selection of old photo's, the subject from recall was of strange vessels.


And yes - i too looked for a hour using several search words to no avail
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tonyH

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Re: Unique subject to model
« Reply #13 on: August 21, 2021, 03:04:13 pm »
Very strange old ships!
That's the title of one thread that came up in a search. Might be the one you're looking for?
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Re: Unique subject to model
« Reply #14 on: August 21, 2021, 09:58:58 pm »
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warspite

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Re: Unique subject to model
« Reply #15 on: August 22, 2021, 09:59:20 am »
YES - thats the one, but the concept in that photo as you can see was 6 wheels in a swamp buggy style  O0 {-) , I thought there were other examples but apparently not, noticed the tubular conceived boat where the cargo was unloaded/loaded with a train passing through the centre
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Andy M

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Re: Unique subject to model
« Reply #16 on: August 26, 2021, 03:08:40 pm »
I would consider building one of these, if I didnt have 14 boats already!
 Some are bought ones, so dont need anthing done to them, but the rest are in various stages of 'nearly finished'
 Once they are done, maybe...
 To me it looks like crosswinds would be the main problem with a model, and tipping over, the convenient placement of it in the comparison with a normal ship would look quite different with one disc on a wave peak and the other in a trough.
It would certainly stand out though...
 The strange ship that I would like to model is the flip ship research vessel but knowing my luck it would get stuck in mud or get hooked on something on the bottom.
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malcolmfrary

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Re: Unique subject to model
« Reply #17 on: August 26, 2021, 08:29:14 pm »
Just a wistful thought about the turbo liner and it sitting conveniently on the waves - if the wheels were spinning fast enough to give the proposed 100 mph (!!), would the gyroscopic forces prevent it falling over?  And would those same forces prevent it steering or would steering need differential power?
No doubt, if there was a runaway and it grounded, how far inland......?  Shades of the panjandrum (https://en.wikipedia.org/wiki/Panjandrum)
..and from the end of that article, "Neil A Downie described the science and fabrication of a 'Turbo Panjandrum',[4] a Panjandrum driven by 2 or more high power electric motors with propellers attached to a pair of large bicycle wheels. Turbo Panjandrums made by different teams have been raced against each other."
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Andy M

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Re: Unique subject to model
« Reply #18 on: August 26, 2021, 10:48:32 pm »
I imagine the gyroscopic forces would be incredible on a full size one. As you say, steering would be 'interesting'
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