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Thread: DawnPost Drill - Dating Versions
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13th June 2013, 09:26 PM #1
DawnPost Drill - Dating Versions
Been doing some research on what little I can find on Dawn Post Drills and there seems to be some variations to the 611 Models made from 1920-1950. There was a post model & a bench model.
Screen shot 2013-06-13 at 7.21.26 PM.jpg
On mine the is an embossed letter A on the sliding part of the screw feed. I haven't seen this on any others and it doesn't have the lubrication holes.
A_3912.jpgDawn 611.2g.jpg
Another point of difference is in the cams. There is a solid cam with a single handle slot and a huge flathead screw/bolt fixing, or a extending spiral cam with a T- handle slot allowing for the removal of a split pin fixing.
!BW2zNm!!mk~$(KGrHgoOKjIEjlLmW!tGBKZ,eyoOsg~~_1-1.JPG22122011577 (Custom).jpgCam_3915.jpg
As far as I can tell they only came with the square table, but I have seen one with a round table but I think this was appropriated of a different brand post drill maybe a Globe.
Love to know how to date the different variations. If anyone has any information on Dawn Post drills I'd love to see it.…..Live a Quiet Life & Work with your Hands
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15th June 2013, 09:54 PM #2
I have some information on Dawn post drills that was written by a guy in Perth. It's more about variations than actual dates. It could probably do with some editting, and I'd have to ask the guy's permission before posting it.
Or PM me with your e-mail address.
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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16th June 2013, 09:52 AM #3
PM sent.
Any info at this stage is good. Thanks for your assistance.
Another differance I have noted is mine has a small ball at the end of the handle on the ratchet feed wheel.…..Live a Quiet Life & Work with your Hands
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16th June 2013, 10:25 AM #4Try not to be late, but never be early.
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Hi DSEL74,
I have given your details to my friend who will probably contact you.
This is probably the same person Vann is referring to.
Regards,
Geoff.
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16th June 2013, 02:03 PM #5
Yes, Allen is a mine of information on Aussie made blacksmith's drills (and one or two others).
Originally Posted by DSEL74
Another possible user mod on yours is the "pawl" on the feed arm (made of a chunk of steel plate?). Most have a cast shape with a ball at one end and a "tooth" at the other.
Dawn 611 eBa.jpgDawn 611 31a.jpg
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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16th June 2013, 02:06 PM #6
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17th June 2013, 09:27 AM #7
I have found out there was a belt driven version labelled the 611A. Since it probably used the same main casting I wonder if the A was designated on another prominent position rather than make a separate patten and cast a different version of the body with the 611A on it.
This may be where the A on my feed screw nut sleeve on the spindle. Now this bears the question of if the sleeve came from a 611A or my drill has been converted from a belt drive to a flywheel?
The cam with solid edge indicates it is an earlier model, although it does have bearings. So I am not sure which predates the other or if there was a cross over period.
The cog on mine has a bot in the centre which could indicate it was an industrial version which was green and had a bolt on handle instead of the push through type? Mine is a dark color and has no signs of ever being red. Of course this could have been stripped or come off over time due to rust.
More I find out the more questions rather than answers I end up with???????…..Live a Quiet Life & Work with your Hands
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17th June 2013, 11:40 PM #8Senior Member
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18th June 2013, 08:53 AM #9
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18th June 2013, 09:00 AM #10
Dawn small.jpg As you can see in this old image the early Dawns 611 did have a ball on the end of the feed screw wheel. So that makes that part on mine original, one mystery solved.
…..Live a Quiet Life & Work with your Hands
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18th June 2013, 04:40 PM #11Senior Member
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18th June 2013, 05:57 PM #12
Thanks Mike. When you remove the handle what is holding the cam gear on to the shaft?? Bolt or split pin?
…..Live a Quiet Life & Work with your Hands
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18th June 2013, 08:14 PM #13
Mine has a split pin, but my newly acquired Canadain Blower & Forge No.61 has the large slotted bolt
CB&F_1dms.jpg
I believe this has a LH thread ('though I haven't unscrewed mine).
My Dawn 611 also has a different cam to Mike's (mspil)
Dawn 611a MikeSpil.jpg
Whereas the cam on Mike's is a full and solid "eccentric" (photo), on mine it's not a full circle and not solid, but rather a "tail".
Dawn 611 2c.jpg
Like this one (photo not of mine).
Cheers, Vann.Last edited by Vann; 18th June 2013 at 08:58 PM. Reason: 3rd photo added
Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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18th June 2013, 09:55 PM #14
Vann, Can you tell me what is behind the thread and confirm which way it turns (LH or RH thread) As Mine is stuck but I don't want to force it in the wrong direction. I think the Dawn was the more boring design of the post drills. The canadian blower you got is similar but the body is nicer. I think silvers had a really nice design.
The earlier models had the solid cam and later ones the spiral tail. Still trying to determine what year this changed.…..Live a Quiet Life & Work with your Hands
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18th June 2013, 10:02 PM #15
Vann, Here is what your should look like:
Photo Index - Champion Blower & Forge Co. - No. 95 Self Feed Three Geared Blacksmith Ball Bearing Post Drill | VintageMachinery.org…..Live a Quiet Life & Work with your Hands