fat pipe

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Austin Shackles - 08 May 2008 13:04 GMT

Anyone know where to find any?

I'm looking for summat like 18" dia by 18" long, 2 off.

dia is variable up to a point, 16" or 20" might be OK too.

I'm trying to make a motorised roller - got an engine from an old mower. I
have in mind to make hollow rollers which can be filled with water when
needed for extra weight. Might add an eccentric so it'll vibe, too.

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Austin Shackles. www.ddol-las.net my opinions are just that
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Don Young - 09 May 2008 03:19 GMT

> Anyone know where to find any?
>
[quoted text clipped - 6 lines]
> have in mind to make hollow rollers which can be filled with water when
> needed for extra weight. Might add an eccentric so it'll vibe, too.

Here across the pond these things are generally made from old air or water
tanks. Old water heater tanks are pretty easy to come by.

Don Young
Alabama, USA

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bigegg - 09 May 2008 06:51 GMT

>> Anyone know where to find any?
>>
[quoted text clipped - 6 lines]
>> have in mind to make hollow rollers which can be filled with water when
>> needed for extra weight. Might add an eccentric so it'll vibe, too.

> Here across the pond these things are generally made from old air or water
> tanks. Old water heater tanks are pretty easy to come by.

I made mine from a 19kg-size propane gas cylinder

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BigEgg
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Austin Shackles - 10 May 2008 10:27 GMT

>>> Anyone know where to find any?
>>>
[quoted text clipped - 11 lines]
>
>I made mine from a 19kg-size propane gas cylinder

Now, that's a possibility. I was looking for 2, but that's not much harder.

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John - 09 May 2008 10:45 GMT

> Anyone know where to find any?
>
[quoted text clipped - 5 lines]
> have in mind to make hollow rollers which can be filled with water when
> needed for extra weight. Might add an eccentric so it'll vibe, too.

You really need 2 eccentrics rotating in opposite directions and timed
so that the horizontal vibrations cancel but the vertical ones add.
The weights need to be together at the top and bottom but when one's
at 3 o'clock, the other's at 9 o'clock.

Large steel pipe's not so easy to get hold of since everything went to
plastic. You need a fairly thick wall as well to take the mechanical
forces. I made my roller many years ago and filled it with concrete.
The removal company loved me when I moved house.

John

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Christopher Tidy - 09 May 2008 17:51 GMT

>>Anyone know where to find any?
>>
[quoted text clipped - 15 lines]
> forces. I made my roller many years ago and filled it with concrete.
> The removal company loved me when I moved house.

Is that how they work? That's interesting.

Or he could just buy one of the many excellent Dennis lawnmowers around,
and use that as a roller.

Best wishes,

Chris

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Sandy Morton - 09 May 2008 10:56 GMT

> Anyone know where to find any?

> I'm looking for summat like 18" dia by 18" long, 2 off.

> dia is variable up to a point, 16" or 20" might be OK too.

old cast water pipe might do the job - there was tons of it here when
they replaced the pipes with plastic.

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A T (Sandy) Morton
on the Bicycle Island
In the Global Village

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Model Forum / General / Models / May 2008

fat pipe