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Other Vintage Household Electrical or Electromechanical Items For discussions about other vintage (over 25 years old) electrical and electromechanical household items. See the sticky thread for details.

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Old 17th Aug 2018, 6:31 pm   #61
Tim
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Default Re: Show us your drills!

Quote:
A Rawldrill, my Father had one. You pack the hole with a type of string
My one of those gets used for breaking tracks on Vero board
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Old 17th Aug 2018, 9:26 pm   #62
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Default Re: Show us your drills!

I wouldn't try the converse!
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Old 17th Aug 2018, 10:50 pm   #63
Boater Sam
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Default Re: Show us your drills!

Wasn't the Rawldrill fibre asbestos? We used to chew it to make it ball up and stick.
Surprised that no one has a Wolf Sapphire, a brilliant 1/2" chucked drill.First plastic bodied double insulated one I had.
The thieves had mine away in the early '70s
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Old 18th Aug 2018, 8:48 am   #64
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Default Re: Show us your drills!

There was a sort of fibrous putty sold for the job - Philiplug? - which I suspect was asbestos-based.
Much larger versions of the Rawldrill were used in mining, for making the holes for the charges: a two-man job, one holding and turning, the other hammering.
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Old 18th Aug 2018, 9:48 am   #65
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Default Re: Show us your drills!

The old mining drills were nothing like that Rawl drill, not in hardrock mining anyways, they were splayed chisel head which helped with chip removal, basically the same as the modern ones except that the modern ones have tungsten carbide inserts.

Lawrence.
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Old 18th Aug 2018, 10:24 am   #66
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Default Re: Show us your drills!

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Originally Posted by Boater Sam View Post
Wasn't the Rawldrill fibre asbestos? We used to chew it to make it ball up and stick.
Surprised that no one has a Wolf Sapphire, a brilliant 1/2" chucked drill.First plastic bodied double insulated one I had.
The thieves had mine away in the early '70s
I have two, a basic two speed version which was a present and is still my basic go to drill and the two speed geared version with hammer action which I happened to come across for 2.95 in a York junkshop - it`s 110 volt but I built a 110 volt trans former from a faulty unit in a Philips stabilised PSU.
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Old 18th Aug 2018, 11:03 pm   #67
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Default Re: Show us your drills!

I still have my late father's Rawldrill kit in its original tin, with size 8, 10, 12, and 14 bits and a screw/plug gauge. I think some of the Rawlplugs in the tin may be original too! I used it recently to drill some holes in a concrete lintel at my son's flat that is so hard that it previously took 2 hours and three blunted masonry drills to drill four holes for a new curtain rail. I found that by drilling as far as I could with the hammer drill, then using the Rawlldrill to hammer what was presumably some hard aggregate, and then alternating between hammer drill and Rawldrill, it only took a few minutes for each hole. Mind you, when I was house-sitting when he had a new kitchen blind fitted, the installer used a Festool cordless SDS drill that literally drilled each hole in a couple of seconds! A pity Festool tools cost around 500 each.

I saw Rawldrill clones on sale in a French Bricomarche 5 years ago years ago.

I still have some boxex of the later fibre Rawlplugs, bought at the time they were discontinued, but I don't think they can contain asbestos. I used some to fix an outdoor light for a friend and they disintegrated to mush after two winters. I re-did them with plastic plugs. The Rawldrill and Rawlplugs featured in a program on BBC Radio 4 a couple of years ago. From memory, they first came to prominence when the British Museum (I think) had electric light installed for the first time. Previously the only way to use a woodscrew in masonry was to hack out a substantial hole and bang in a block of wood. Not a a problem perhaps with brick walls that could be re-plastered, but an issue where, as in the museum, the surface was masonry. Apparently the neat hole produced by the Rawldrill and Rawlplug, and the strength of the fixing, was a surprise to the experts at the time, who couldn't believe such a small thing would be so strong.
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Old 19th Aug 2018, 12:01 am   #68
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Default Re: Show us your drills!

The plugs were impregnated by some kind of resin by the look of them, it's the string type that contains asbestos I believe.
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Old 19th Aug 2018, 2:10 am   #69
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Default Re: Show us your drills!

Quote:
Originally Posted by dseymo1 View Post
There was a sort of fibrous putty sold for the job - Philiplug? - which I suspect was asbestos-based.
Much larger versions of the Rawldrill were used in mining, for making the holes for the charges: a two-man job, one holding and turning, the other hammering.
That's the stuff - Philplug Screwfix- (Dad used to work for Burmah Oil Trading and it, like Halfords, was owned by them for a while.)
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Old 19th Aug 2018, 8:24 pm   #70
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Default Re: Show us your drills!

Rawlplastic - better images on the web than my trusty rusty old tin.
All the shelves in my small bedroom held up with asbestos and spittle. Came with a right angled metal rod with one end pointed. You rolled your plug, tamped it into the hole with the blunt end then made a stating hole with the point.
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Old 19th Aug 2018, 9:46 pm   #71
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Here's a picture of my drill at home. It's an Elliot progress no.1, which is heavy, old but not such a useful thing - no back gear and a JT6, not MT chuck etc. I turned it into a kind of Frankenstein milling machine with a 3-axis table I found somewhere, a variable-speed DC motor which folks on here helped to fix a while back, and a big truss and additional bearings to keep the new collet chuck from wobbling around. It now has a powered x-feed and some cheap digi-verniers for a DRO.
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Old 20th Aug 2018, 8:49 am   #72
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Default Re: Show us your drills!

Progress no16 here

Note scissor jack to allow easy table height adjustment. Bit of a pain without this!
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Old 20th Aug 2018, 4:22 pm   #73
mark_in_manc
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That's a good idea. Though on the floor-standing drill at work whose table I often have to wrestle with, I'd need one BIG jack
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Old 20th Aug 2018, 4:24 pm   #74
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You might find a lab jack better - maybe not as strong, but probably a larger jack area, and made for hand adjustment.
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Old 3rd Sep 2018, 11:21 am   #75
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Another find at the car boot yesterday. Cost me 50p. The mains lead may need replacing. Amazingly, the last owner, apparently, survived to be 95. His daughter had the task of clearance, but respected him enough to sell on even the less valuable items. He was a watch repairer. Overall condition seems good. Black and Decker Model 1, 1/4 inch. I was interested to see the mains cord has a fabric covering, with rubber covered wires that are totally shot now. The B+D in the first post on this thread is a 1P, slightly different and looks later. As the origilan B+D pistol drill patent was in the 1910's, I am wondering about the history of the company - as this is model 1, would this be the first UK model?
Tony
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Old 3rd Sep 2018, 12:38 pm   #76
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Default Re: Show us your drills!

You have got plenty of tape bombs to defuse on that power cable.
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Old 3rd Sep 2018, 2:31 pm   #77
greenstar
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There is a problem with this one. Looks like the brass brush housings have springs around them, which are soldered to connect to the windings. One of those springs has broken. They seem to wrap around the brass bush, hook to themselves, and then have the wire soldered on. So I need to find a spring. I wondered about winding about of tinned copper wire into a spring shape, but doubt it would have the required springiness to stay in place. And a spring steel spring would be hard to solder to. The original has a copper/bronze colour. Any ideas appreciated - is it possible to get such springs?

One photo shows the broken spring connector, the other tries to show the good one in place.
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Old 3rd Sep 2018, 5:50 pm   #78
Boater Sam
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Default Re: Show us your drills!

Copied from a previous thread of mine.

Bought at auction this week, 15 including a whole pile of new steel twist drill bits and a screwdriver attachment.

A Wolf electric drill. The first double insulated model they made think, 2 speed gearbox, unused in its mouse nibbled box. Side handle and chuck key in the box with the instructions. The mains lead still has its wire tie on.

I remember that this was the one before the Sapphire plastic cased one. It is a 1960s model, the Sapphire was late 60s I think. Silver aluminium and red rear handle cover, early livery, later were silver and blue. The serial number 1266 would suggest 1966

Must be unused because the mains lead had never had a plug fitted! The tinned ends on the long stripped wires and the little "Live" label on the red one still there.

The aluminium case had suffered a little surface corrosion on the areas that were not painted, like where the trigger slides and the lock button. This had caused the trigger action to partly seize and prevent it turning off. Inside it is all green passivated, very nice.

A strip down and fettle the corrosion off was called for, and Lo, hiding in the rear, a Rifa ready cracked translucent capacitor!
On examination, the plastic is cracked around both leads, slight discolouration inside, just waiting to become a smoking stink bomb.
In the interests of originality, Ha! I just snipped the live wire and left it to age some more.

Reassembled it is a fine tool, masses of torque and according to the box a "virtually indestructible motor" inside. Certainly beautifully engineered.
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Old 4th Sep 2018, 7:39 am   #79
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Default Re: Show us your drills!

Chatting to my friend Paul last week he came up with this black & Decker GD25 (625 RPM 475W) drill for me to add to my collection.

Plus pics of my Rawplug kit.
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Old 4th Sep 2018, 8:20 am   #80
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I have one of these - a low cost way into the low speed high torque area at the time (1975ish). Very handy for driving a 3 inch box sinker.
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