Pole Lathe

discussion of the niceties of turning on a bow, bungee or pole lathe.

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Pole Lathe

Postby adrapper » Tue Dec 02, 2014 6:04 pm

Hi all,

I am getting itchy to build a pole lathe, but it appears there is a fundamental decision to make before I start...

Should I have one or two beds?

Can people give me some pros and cons please?

Thanks
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Re: Pole Lathe

Postby emjay » Tue Dec 02, 2014 9:01 pm

Hi adrapper. I use both double and single bed with equal results for spindles ( chair legs ) But a single bed is simpler to make so I would go for that. Lots of easy to follow plans on u tube.
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Re: Pole Lathe

Postby woodness sake » Wed Dec 03, 2014 2:01 pm

A single bed is easier to make but is not so traditional
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Re: Pole Lathe

Postby adrapper » Wed Dec 03, 2014 3:42 pm

The single bed may be easier, but the double bed popit looks much easier.
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Re: Pole Lathe

Postby emjay » Wed Dec 03, 2014 10:13 pm

Check out Harry Rogers on u tube
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Re: Pole Lathe

Postby neilyeag » Thu Dec 04, 2014 10:51 am

I built the double. It is really a quite easy build:

Image

Agree that Harry Rogers has a lot of great stuff I used some of his ideas in mine:

https://www.youtube.com/watch?v=Nc3GqpCIDqk&list=TL_FI2sEli-HQ

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Re: Pole Lathe

Postby adrapper » Thu Dec 04, 2014 4:53 pm

Thanks for all the replies.

I have already had a good look through Harry's videos. I first turned on a lathe a little like his quick build one. mine was at Guy Mallinson place, (he of Mastercrafts on BBC, http://www.mallinson.co.uk/).

I am thinking about going for the bottom half of this lathe as my beginning point.

Image

I like the idea that it breaks right down, and that it has no metal except the.... bits on the poppets.

leaving off the long upright, but allowing for the attachment of two uprights and a bungee cord.

I would probably also have two poppits.
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Re: Pole Lathe

Postby gavin » Fri Dec 05, 2014 10:43 am

If you build one of these overhead-sprung or gallows lathe, please let me know how you cope with the treadle travel. I found my treadle kept bumping the lower member of the lathe. So I sold it.
Image

I now see that my model was sprung from the underside, whereas the one you illustrate is sprung from the top. So I guess if I had sprung mine from top, I'd have had more space for the treadle's tip to clear the lowest member. The one you show has a low lower member - I reckon the treadle arm would constantly bang it and you'd have very short foot strokes.
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Re: Pole Lathe

Postby adrapper » Fri Dec 05, 2014 3:17 pm

Thanks for the heads up.

I will have a re-think about the lower cross member, I could make it higher or use some other braising method.

Wondering about bracing with a brace from the bed quite tight in the corner or even making the lower cross member so low it would be almost a base for the treadle.

Just brought the wood to get going with... wish me luck, or God's blessing, which ever suits you.

Andrew
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Re: Pole Lathe

Postby Bob_Fleet » Sat Dec 06, 2014 7:46 pm

Try the brace at an angle with the highest end where you'll have the treadle most of the time.
Even two angled braces with better clearance in the centre.
Enjoy
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Re: Pole Lathe

Postby adrapper » Sat Dec 06, 2014 9:46 pm

Thanks,

That is just what I was thinking of.
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Re: Pole Lathe

Postby Bob_Fleet » Sat Dec 06, 2014 10:27 pm

An old pic before I made a lathe from half a log with a chainsaw slot - much, much easier.
hawickpl.JPG
hawickpl.JPG (26.99 KiB) Viewed 9747 times

Angled brace worked great.
This pic though I'm working at the wrong end as more room with cord to the left.
Like yours - only 2 bits of metal.
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Re: Pole Lathe

Postby anobium » Sun Dec 07, 2014 10:16 am

You can eliminate the lower cross brace by connecting the uprights at ground level with a thinnish plank on which you can stand, which makes the lathe steadier. It may mean that the treadle interferes with the plank but you can pivot that from the front cross brace.
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Re: Pole Lathe

Postby Bob_Fleet » Sun Dec 07, 2014 12:41 pm

Not quite as stable though.
It still needs something at an angle or substantial to stop the "twist".
An empty picture/window frame is like that - easy to move until the picture or glass goes in.
If the lathe bed is substantial though you might get away with it.

I was never sure whether it was under compression or tension. If its tension though a bit of rope would work as well, even on the ground as you suggest.
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Re: Pole Lathe

Postby adrapper » Sun Dec 07, 2014 10:07 pm

Thanks all.

I have my sides and feet done, but not connected yet.
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