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Member postings for Pete Rimmer

Here is a list of all the postings Pete Rimmer has made in our forums. Click on a thread name to jump to the thread.

Thread: Chuck fitting
16/07/2021 23:44:19
Posted by Nigel Graham 2 on 16/07/2021 23:06:31:

Counter-sunk, Pete? Vic says his lathe uses counter-bores, which are not self-centering.

Ah, yes my apologies. What can I say it's been a long week...

16/07/2021 22:47:00

I would do it and in fact I would probably prefer it. With plain bolts holding the chuck all of the registering will be done by the register. With countersunk head screws holding the chuck the self-centering function of the countersinks might be competing with the register for chuck alignment.

Thread: Lathe cover
15/07/2021 16:49:18

An ordinary bedsheet makes a good cover and I find duck oil liberally diluted with brake cleaner in a pump pressure pot makes not only a good cleaner but a decent preservative too. I must stress though, I don't have any rust problems within the workshop.

Thread: Man management
12/07/2021 22:27:23
Posted by brian jones 11 on 12/07/2021 21:38:38:

I am speaking from bitter experience about local tradesman - so called jobbing builders etc of the kind used by the hapless public to do repairs on their houses. In my area its a total disgrace rife with fraudsters and conmen - and they get away with it because they are left largely unsupervised and without adequate sanctions against them for shoddy work. many of my neighbours have suffered appalling financial damage from bad and illegal loft conversions for example

I tried for 6 months to find a reliable tradesman who could fit a Velux skylight window in my loft. It was an easy job on my bungalow and if I hadnt been struck down with arthritis I would have knocked this out in a morning myself - but probably a day to take extra care and check with a hose. Cut it short I trolled around some 2 dozen so called roof fitters to check their bona fides first what jobs have you done, where. Any recommendations referees, what insurance do you carry , show me a copy, what guarantees can you supply - retention money, then digging into their business address - big on web presence reluctant to disclose trading address, mostly turned out to be a private home. recognised training with Velux, no accreditation

Well due dilligence meant 50% out of business phone dead the rest quickly developed a headache and showed themselves up as chancer cowboys on the phone

Could find anyone to trust even though i was offering good money £500 for a days labour.

Thats the kind of rubbish we have for local rogue traders and dozens of my neighbours have had similar bad experiences

An honest skilled jobbing tradesman is as rare as hens teeth my way

The ones that have a the stuff you're requiring are working on larger projects where pre-quals are a necessity. They are there because they have that stuff. The day-traders and also-rans are left to Joe public to choose from. The ones in the mid-range sub out to the bigger ones.

If you're talking about retention money on a 500 quid bill no wonder they are getting headaches and the phone goes dead tbh.

Thread: Lathe gear calculation
08/07/2021 16:57:56

You could use one of the several ready-made calculator options listed on this page:

**LINK**

Thread: dirty metric fudge
07/07/2021 06:50:33

With 10TPI screws you could make your dials dual-reading. 0.1" pitch is 2.54mm so you could print dial scales with 100 divisions for imperial and 250 for metric then the metric scale would only be off by 0.04mm/turn (1.57 thou). Less than the error in a well worn cross slide screw.

Some Denford lathes do exactly this.

Thread: Corbetts Little Jim Lathe restoration - newbie needs advice
06/07/2021 22:18:58

Because your cross slide handle moves with te slide that makes it a RH thread. I would get a 7/16" x 10TPI ACME tap and run it straight through that nut then make or buy a new cross slide screw. If you need help making the screw then several people here myself included could do that.

I may be wrong but it looks like the slide is designed to ride on the top flat ways rather than the bottom dovetail ways. If it is then those ways need attention. If it isn't then they need taking down a bit so that the slide isn't riding on a part that it's not supposed to.

Thread: Lathe gear calculation
06/07/2021 22:11:46

127 does not give a pitch error for metric conversion. 63 does though.

Thread: Screw cutting advice ml7
05/07/2021 22:03:17

There is nothing to prevent you from stopping the motor, winding the handle along until your lines line up then putting the half-nuts in before re-starting the motor, if you're worried about engaging it in the wrong place. It's slow and it might be hard on the motor starting cap but it would save you from trashing a part or crashing the lathe.

Thread: Help to identify Lathe
02/07/2021 06:40:49

Drummond M as said but whomever had it in that corner didn't use it there. You need good access to the end gears which are fiddly enough to swap about but stuck against the wall like that would be very frustrating.

Thread: Update
21/06/2021 22:33:32

Thaks for that Windy I've checked out his feed and it seems that the bike is fundamentally the same apart from new bodywork and front brake calipers. It's quite gratifying that the old girl is still going strong 14 years after I built it in my garden shed. I've seen more than a few 'bought' turbo bikes blow up or melt down over the years but mine just keeps going.

238mph - impressive.

19/06/2021 14:05:23

Ah, give Helen (and Andy) my best.

I wish they would have contacted me I would probably have bought it back.

Pete.

18/06/2021 21:28:49

Well done Windy. If you see my old bike at Elvington say hello for me. Haven't heard from them for a long time.

Edited By Pete Rimmer on 18/06/2021 21:29:26

Thread: Pulley size help required.
16/06/2021 18:33:37

Those pulleys are outboard so just buy another belt and hang it on a nail. Swap them over if you're using the slow speed.

Thread: Myford 254 S
12/06/2021 08:22:27
Posted by Dave Wootton on 12/06/2021 07:23:58:

Hi John

There were two types of chuck mounting on the 254's the D1-3 Camlock or a taper with three studs as used on many chinese lathes.

D1-x camlock chucks may be fitted to many Chinese lathes but they were devised in the 1930's and fitted to many high quality machines long before the Chinese adpoted their use. It's a very secure and popular fitment.

Thread: Mancave insulation
12/06/2021 06:23:55

Thickness was probably 30 or 40mm but don't let that put you off my own workshop uses the same type of insulation and I get no condensation at all, plus it;s very cool in summer.

This stuff is being used as transport protection boards for some very expensive insulated wall panels. They make a big pile of them then cut them all up and skip them. If there's any left I'll try to get you some. If I can it won't cost me anything so I'll charge you the same.

11/06/2021 21:14:34

I'm in Gravesend. I might be able to sort you out with some insulation but I won't know until next week. They have (or at least had) some on site this week that was getting chopped up and thrown away.

11/06/2021 16:44:21

Where in Kent are you Rob?

Thread: Eagle Surface grinder - who here uses one?
10/06/2021 16:32:52

My travel and cross feed aren't nearly that much, about 14 and 6 inches or so.

Thread: Drummond vs Myford change gears
08/06/2021 19:03:51

Drummond gear teeth are that big because if they were any smaller they'd lose teeth. They come from an era before advances in cast iron metallurgy made it as versatile as it is today.

I'm not saying they couldn't do it for higher-end machines etc but I think that the £5 lathe budget stretched to more iron but not more technology. It's common to see busted teeth on lathes of this era, these days not so much.

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