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  #31  
Old 10-21-2009, 08:45 AM
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price

What is the price going to be on the hammers? I want one but need to save up. Dan


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  #32  
Old 10-21-2009, 08:57 AM
Tai Google Tai Google is offline
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I'm not sure what the exact price will be yet, but somewhere in the neighborhood of $100. Most likely a bit more rather than less.

They probably won't be quite as pricy as these especially for the size of them.
http://www.caffreyknives.net/Angle%2...20Hammers.html

You can also look at some of these to get an idea of the competition:
http://www.bigbluhammer.com/products..._hammers.shtml

Although these companies don't offer long nosed hammers, my hammers will be priced competitively.


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Last edited by Tai Google; 10-21-2009 at 09:04 AM.
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  #33  
Old 10-28-2009, 11:51 AM
Tai Google Tai Google is offline
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Here's a shot of the prototype in progress,... thanks to Nathan the Machinist.



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  #34  
Old 10-29-2009, 08:53 PM
deloid deloid is offline
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Nice!

Looking good!

Nathan the Machinist is fortunate to have such skill.
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  #35  
Old 10-30-2009, 08:44 AM
Tai Google Tai Google is offline
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He's great to work with too.


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  #36  
Old 11-02-2009, 11:19 AM
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Quote:
Originally Posted by Tai Google
Here's a shot of the prototype in progress,... thanks to Nathan the Machinist.


Ohhhhhh , I think I have a little wet spot now


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  #37  
Old 11-09-2009, 09:23 AM
Tai Google Tai Google is offline
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Me too!

Here?s a shot of the prototype, post heat treat and tumbling.



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  #38  
Old 11-09-2009, 10:10 AM
Alden Sherrodd Alden Sherrodd is offline
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Thumbs up

That looks very nice Tai! I assume you'll handle that thing and test drive it today. I wouldn't think you would be able to resist for very long.
Good luck on your venture.
Alden
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  #39  
Old 11-09-2009, 10:17 AM
Tai Google Tai Google is offline
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Thanks Alden. Nathan still has it. He took that pic. I can't wait to dent some steel though!

Never have had a special hammer made before,... It feels like Christmas!


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  #40  
Old 11-09-2009, 01:34 PM
BlueSkyJaunte BlueSkyJaunte is offline
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Tai, you know Friday is my birthday, right?


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  #41  
Old 11-17-2009, 12:26 PM
Tai Google Tai Google is offline
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Sorry I missed that Aaron. I got you down for one though. Nathan is saying probably 8-12 weeks before I have some to sell.

Here?s a shot of the ?B.A.D.A.S.S Mofo? prototype. The texturing from the milling and machining will be a little different on the actual production runs.



Here?s what Nathan said about the heat treating. I?ve tested it ?real hard? and it does a great job of supporting the geometry.

This puppy might just make power hammers obsolete!

?The hammer prototype was made of precision ground annealed and normalized 4150. It was pretty spendy, though the heat treat was simple. Heat to 1200 and equalize (30 min), then austenitize at 1525, also 30 min due to the thick cross section. Quench in room temperature high speed quench oil (with agitation), remove after about 30 seconds and finish in still air (this is like pulling a blade after 8 seconds, still hot). Tempered twice at 400. Estimated hardness HRC 53. I don't own a hardness tester, but it skated a file (under the decarb) before temper. The decarb is probably about .010".

I won't be using that particular steel for production because the raw material cost was $43! Instead I'll be using 4150 directly from the mill. Is it hot rolled, with enormous grain. It will be abrasive sawed into blanks (because it would eat up bandsaw blades to saw cut). It gets annealed at 1650 and air cooled to form fine pearlite, then normalized at something like 1550, then again at 1450 for grain refinement, then a long sphearoidize soak at 1300 to make it more machinable.? Nathan The Machinist



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Who's Bad?


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Last edited by Tai Google; 11-17-2009 at 12:52 PM.
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  #42  
Old 11-18-2009, 01:09 PM
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OK Tai. This thing is really getting to me. I still want one of yours but would you mind if I attempted to make one in a similar fashion? I can't take it anymore I WANT ONE NOW!!

OK I'm a little calmer now..


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  #43  
Old 11-18-2009, 04:23 PM
Tai Google Tai Google is offline
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Go for it Chuck!

Let me know how it turns out.


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  #44  
Old 11-18-2009, 08:55 PM
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Will do. Going to work on it tomorrow.


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  #45  
Old 11-19-2009, 07:01 PM
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Tai,

Here are a couple I forged out today. Started with 40MM 4140 shafting. Cut one to 5" and another to 6" long. Milled out a center slot 1/2X1". Then got them hot. Forged in the fullers. Then drew out the peens to approx 1/2 thick. Then I normalized them 3x, once at 1600, once at 1550 and a final at 1500. Then I heated to 1550 and quenched in water for about 10 seconds and pulled them out and let them cool in air. They came out being easily cut with a file so I am guessing they are about 48-50RC. The shorter one came out to 7" long and 2.5lbs. The longer one came out to 7.5" long and 3lbs. I forged the blade in the picture fully with these hammers.

Here are my findings. They both move steel very well. The longer hammer is not as well balanced and wants to rotate toward the peen side. It is also just a little long and was a bit difficult to control. The 2.5lb/7" hammer is perfect for me. It is well balanced and directing the blow is very easy. I only spent about 20minutes in the blade in the photo. I could have taken it a bit further and gotten all the dings out. I will be grinding it anyway so not a big deal.

I can see a great deal of benefits with this style. The clearance is great to be able to see what is going on. I was able to really draw out the bevels at the ricasso, much more than I normally do. It is going to take a short learning period but I think these will develope into my more useful hammers. THANKS Tai for the inspiration
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File Type: jpg Hammers from Tai's design forums.jpg (121.9 KB, 56 views)


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