Author Topic: Workshop garrotte  (Read 27060 times)

Offline mklotz

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Workshop garrotte
« on: July 02, 2013, 12:46:18 AM »
There are innumerable designs for tools to hold screws in place until you can get them started but the one I seem to use the most is one of my own design.  I call it a garrotte for obvious reasons and it's simple to fabricate in the home shop.

Mine consists of a loop of waxed, heavy-duty thread pulled through a length of 1/8" OD brass tubing.
A wire passing through the loop and anchored to the end of the tube prevents the garrotte loop from being pulled back into the tube when the ends projecting from the other end of the tube are pulled.

In use, it's looped around the screw to be positioned...



and pulled tight, thus trapping the screw.



The screw is still free to rotate about its axis.  The tube is then used to position the screw while a driver seats it into whatever receives the screw.

Takes about ten minutes to make and that includes waxing the thread.

I discovered it has a secondary use.  Until they perfect non-ferrous magnets, it makes a pretty good lasso for snaring small items dropped into finger-inaccessible holes.
Regards, Marv
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Offline Tennessee Whiskey

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Re: Workshop garrotte
« Reply #1 on: July 02, 2013, 01:32:15 AM »
S snake snatcher for screws. I love it
E

Offline ths

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Workshop garrotte
« Reply #2 on: July 02, 2013, 01:57:02 AM »
Another good one Marv. Love the birthday formula casually dropped into frame.

Hugh.

Offline DICKEYBIRD

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Re: Workshop garrotte
« Reply #3 on: July 02, 2013, 03:18:23 AM »
Could've used that one yesterday.  Thanks, will have to make one soon!
"Accuracy is the sum total of your compensating mistakes."

"The thing I hate about an argument is that it always interrupts a discussion." G. K. Chesterton

Offline mklotz

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Re: Workshop garrotte
« Reply #4 on: July 02, 2013, 03:59:42 AM »
Love the birthday formula casually dropped into frame.

Not quite.  That's part of the solution to a puzzle I posed to a friend of mine.  He had the nerve to give me a numerical answer that he obtained with some (spit) CAD program [one of the main reasons so many people can't do any math].  He acted as if I wanted the answer.  In much of math, the answer is irrelevant; what is important is the analysis to obtain it.
Regards, Marv
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Offline b.lindsey

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Re: Workshop garrotte
« Reply #5 on: July 02, 2013, 11:50:45 AM »
Ingenious as always Marv....thanks!!!

Bill

Offline Pete49

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Re: Workshop garrotte
« Reply #6 on: July 03, 2013, 03:47:37 AM »
Brilliant idea Marv and was needed yesterday so a timely post. I wonder if I can scale it up and make it suitable to capture and restrain politicians?? :mischief:
Pete
I used to have a friend.....but the rope broke and he ran away :(....Good news everybody I have another friend...I used chain this time :)

Offline tel

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Re: Workshop garrotte
« Reply #7 on: July 03, 2013, 04:40:43 AM »
 :Lol: I made several larger versions back when I was wrangling snakes and other critturs for a living. Never ever occurred to me to scale it down for workshop use. Suppose that just goes to prove you can't be have brains AND be good looking!
The older I get, the better I was.
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Offline Maryak

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Re: Workshop garrotte
« Reply #8 on: July 03, 2013, 08:52:45 AM »
Based on the mug shots so far on offer and on the comments below............................ :stir:

Best Regards
Bob
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Offline Jo

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Re: Workshop garrotte
« Reply #9 on: July 03, 2013, 09:01:05 AM »
 Thanks Tel: What does that say for me.. the truth is out   :shrug::lolb:

Jo
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Offline Alan Haisley

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Re: Workshop garrotte
« Reply #10 on: July 04, 2013, 03:26:28 AM »
Love the birthday formula casually dropped into frame.

Not quite.  That's part of the solution to a puzzle I posed to a friend of mine.  He had the nerve to give me a numerical answer that he obtained with some (spit) CAD program [one of the main reasons so many people can't do any math].  He acted as if I wanted the answer.  In much of math, the answer is irrelevant; what is important is the analysis to obtain it.
Ok, Marv, you whetted my curiosity.  :stir:  Now I'm going to have to lurk in chatterbox to see if any puzzles show up.
(While the answer is sometimes relevant, the analysis is certainly where the fun is to be found.
Alan

Offline Pete49

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Re: Workshop garrotte
« Reply #11 on: July 04, 2013, 03:49:53 AM »
Jo rest assured it only applies to Tel....Having seen a photo of you a while back all I can say is the brain is packed in a beautiful package proving once and for all that brains and beauty can go together. Ignore Tel's comments as he is  just an old coot that's been caught out :lolb: :lolb: Maybe he should just  :toilet_claw:
Pete
I used to have a friend.....but the rope broke and he ran away :(....Good news everybody I have another friend...I used chain this time :)

Offline Jo

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Re: Workshop garrotte
« Reply #12 on: July 04, 2013, 07:22:01 AM »
 :embarassed: Thanks Pete you are a real gent  ;D

But the photo you refer to was many  some a few a couple of years ago, I am still working on preventing any modern photo's appearing that might spoil your image of me  :naughty:

Jo
Enjoyment is more important than achievement.

Offline tel

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Re: Workshop garrotte
« Reply #13 on: July 04, 2013, 07:24:40 AM »
Watch it Jo - he probably wants to borrow something.
The older I get, the better I was.
Lacerta es reptiles quisnam mos non exsisto accuso nusquam

Offline mklotz

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Re: Workshop garrotte
« Reply #14 on: July 04, 2013, 04:24:20 PM »

Ok, Marv, you whetted my curiosity.  :stir:  Now I'm going to have to lurk in chatterbox to see if any puzzles show up.
(While the answer is sometimes relevant, the analysis is certainly where the fun is to be found.

OK, here's the problem I posed...

Imagine a coordinate system scribed on a vertical wall.  One end of a 30 cm frictionless string is secured at the origin (0,0).  The other end is secured at (15,-12).  Free to slide on this string is a small weight.  What are the coordinates of the weight when it comes to rest?

Remember, no CAD solutions or experimental results need apply.  We want to see the problem worked out in mathematical form leading to expressions for the coordinates.

If that one frustrates you, here's an easier one I posed to him a while back.

One of the most famous equations in mathematics is:

e^(i*pi) = -1

where:

e = base of natural logarithms = 2.71828...
i = square root of -1
pi = 3.14159...

Prove that this is true. 
Regards, Marv
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