Model T screwdriver update.

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Model T Ford Forum: Forum 2014: Model T screwdriver update.
Top of pagePrevious messageNext messageBottom of page Link to this message  By Allan Richard Bennett on Thursday, June 12, 2014 - 11:21 pm:

I have rough turned a new handle for my screwdriver and, as suggested, bored a round hole through the centre. 3/8" seems a likely size to be able to drive it through, and I will use some epoxy glue as well.

The drawing shows 8 flutes in the handle. These appear to be stopped at each end in the plan drawing. However, in the cross section they appear marked as being cut right along the handle. Which is correct? I'm hoping they go right along as this will be easier to copy.

Advice please.

Allan from down under.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Tim Morsher on Thursday, June 12, 2014 - 11:35 pm:

Allan, the flutes stop short, but it's awful tough to find a survivor with much of the flutes left. Also, the drawing was revised 6 times over it's life. Perhaps the section drawing wasn't updated, or visa-versa. The steel shaft is 5/16" square stock, though, and not 3/8" round.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Nevin Gough on Friday, June 13, 2014 - 04:21 am:



My two screwdrivers. The top one was in the toolbox of my T. It has 10 flutes so probably isn't the real deal.

The lower one has eight flutes and is, I believe, the genuine article. The flutes are hard to see.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Allan Richard Bennett on Friday, June 13, 2014 - 10:49 am:

Tim, the difficulty was boring a square hole!!!
As it turns out, 3/8" was too tight. Had the shaft half way home when the new handle split. No big loss. I need to find a different timber to use and correct a bit of the shape. I looks like I will have to go a size larger when drilling the blank.

Thanks for the new photos Nevin.The second one looks closer to mine. Does it have a rivet through the metal ferrule?

Allan from down under.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Nevin Gough on Friday, June 13, 2014 - 01:58 pm:

Hi Allan,
It just has the hole. The rivet is missing.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Treace, North FL on Friday, June 13, 2014 - 03:01 pm:

Couple of photos of one that I found.





Usually worn and tatty, but shows most of the detail still.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Allan Richard Bennett on Friday, June 13, 2014 - 09:28 pm:

Thanks too Dan. I will print off your photos for reference. I have a nephew who runs a wood turning business and he has a worker who earns a little on the side doing hand turning on his lathe. He makes delightful wooden pins to go with my wife's hand knitted woollen scarfs. If I cut him the blanks, I should be able to have him make me a few handles.

Allan Bennett


Top of pagePrevious messageNext messageBottom of page Link to this message  By Les Sumner lapeer mi on Saturday, June 14, 2014 - 08:19 am:

I found a square hole broach at a used tool sale that I use to make the square holes in the screwdriver handles I replaced for my tool kit. Les Sumner
broach


Top of pagePrevious messageNext messageBottom of page Link to this message  By Larry Smith on Saturday, June 14, 2014 - 10:27 am:

Neat looking tool. Would probably work better that a mortise tool. It appears from the photo, that it kinda starts out round, and gradually works up to square?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Wayne Sheldon, Grass Valley, CA on Saturday, June 14, 2014 - 05:06 pm:

A trick for when driving the shaft into the handle. Put about a half dozen heater hose size modern worm screw hose clamps around the wood handle and clamp tight. (Putting the screw drive all along one side allows some for clamping into a vise still) It goes a long ways to prevent the wood handle from splitting. Minor warning/consideration; the underside of the screw drive may gouge the wood a little requiring some re-sanding.
Drive carefully, and enjoy, W2


Top of pagePrevious messageNext messageBottom of page Link to this message  By Allan Richard Bennett on Sunday, June 15, 2014 - 12:58 am:

Love that broach Les. How long is it? The wooden part of the screwdriver is almost 6" long, so I guess your broach would have to be driven in from each end. Actually, the square metal shaft on my driver had little notches at each corner on the end. Perhaps it was meant to do the same thing, in a more limited way, as it was fitted to the handle.

Allan from down under.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Les Sumner lapeer mi on Sunday, June 15, 2014 - 08:27 am:

Allan, The broach is about 8 inches long. Starts out round and becomes square. I press it in as far as I can and then use a small shaft to finish pressing the broach thru. I usually back it out a couple times on the trip thru to clean out chips. Works good for things that need a square holes for carriage bolts in wood and steel also.
Les Sumner


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jack Putnam on Sunday, June 15, 2014 - 09:03 am:

That broach is a readily available item from any industrial tool supplier. About $90 US.


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