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Author Topic: Finally Shafted  (Read 4292 times)

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Offline fabr

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Finally Shafted
« on: April 16, 2012, 07:24:07 PM »
Well,it''s about time. Finally found time to run this thing thru the VMC. Vasco 250 Maraging Steel. Ohhhhh!!!!! I LIKE this stuff. Machines like butter. Cook it at 925 * and this is some tough stuff.stronger,springier than the Weddle gears shafts in the 091. This shaft mates up tp the Weddle input shaft of same size. This won't be the weak link again.
  Some specs for any interested:
Tensile  260,000
Yield 255,000
Elongation 11
Notch Tensile 380,000
Rockwell 48-52
« Last Edit: April 16, 2012, 08:26:01 PM by masterfabr »
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Offline Enemy

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Re: Finally Shafted
« Reply #1 on: April 16, 2012, 08:36:21 PM »
Well, I dont understand a damn bit of those number that you posted, but I am imagining its a bit gooder than anything out there  ;D
Nice work!!
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Offline fabr

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Re: Finally Shafted
« Reply #2 on: April 16, 2012, 08:44:37 PM »
Well,there is Vasco 300 and 350 also. A bit gooder yet. ;) ;D ;D Just extremely tough. Vasco 250 is next step up above 300M. Best part is that any fool with an accurate temp measurement capability (K type thermocouple and a t/c capable multimeter) and a kiln can heat treat it in a non atmosphere controlled furnace . All there is to it is ,cook at 900F +- 15 degrees for 3 hours,cool.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline vidio1

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Re: Finally Shafted
« Reply #3 on: April 17, 2012, 03:11:06 AM »
Sounds like good stuff, but what's the downside to it? Why isn't it used more instead of 300M?
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Offline Carlriddle

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Re: Finally Shafted
« Reply #4 on: April 17, 2012, 05:18:22 AM »
I'm with Enemy on the Chinese,  drowning.  But sounds like it machines like plastic, cook it in my easy bake oven, and it turns into steel superman cant bend?  Cool, Cool.

I'll bet its pricy, and why not more widly used.
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Offline fabr

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Re: Finally Shafted
« Reply #5 on: April 17, 2012, 05:51:54 AM »
Quote from: vidio1 on April 17, 2012, 03:11:06 AM
Sounds like good stuff, but what's the downside to it? Why isn't it used more instead of 300M?
Simple, about 2-3 times the raw material cost.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline fabr

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Re: Finally Shafted
« Reply #6 on: April 17, 2012, 06:13:02 AM »
300M is just a modified 4340.  Both 4340 and 300M require an atmosphere controlled furnace and some pretty strict controls to achieve one of many possible strengths/degree of toughness. In a production setting that is easily achieved but if )1 off pieces it is a bit hard to find a heat treater that is running similar size,thickness,shape pieces  in batches to assure desired results. Not an issue with Vasco. ONE small drawback ,and a reason why not more readily used ,is that Vasco is limited in how hard (wear resistant) it can be made. At 260,000 tensile it will only harden to 48-52 Rockwell. Hard enough for moderate wear resistance.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: Finally Shafted
« Reply #7 on: April 17, 2012, 01:52:04 PM »
those are some impressive #'s!!
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Offline fabr

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Re: Finally Shafted
« Reply #8 on: April 17, 2012, 02:40:19 PM »
That they are.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Engineer

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Re: Finally Shafted
« Reply #9 on: April 17, 2012, 09:39:24 PM »
Quote from: Dsrace on April 17, 2012, 01:52:04 PM
those are some impressive #'s!!

No doubt.  Amazing!
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Offline dsrace

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Re: Finally Shafted
« Reply #10 on: April 19, 2012, 01:07:10 PM »
not that it is the same but i was just working on a 944 porshe and it was front engine but rear wheel drive so just for grins and giggles I had to take a look underneath. here are some pics of how they took a mid engine trans or front wheel drive trans and made it rear wheel drive was my first thought till I noticed that the hole in the bell housing for the starter was upside down like the trans had been rolled so my guess is it was for a rear engine design first. here are some pics of what i found doing a real quick search. I wonder if that plate would fit a t1 trans?
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" the less talent they have, the more pride, vanity and arrogance they have. All these fools, however, find other fools who applauded them " .    ERASMUS 1509

Offline fabr

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Re: Finally Shafted
« Reply #11 on: April 19, 2012, 01:32:21 PM »
I don't think it will fit but Tman should be able to say. Pretty slick IMO.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: Finally Shafted
« Reply #12 on: April 19, 2012, 03:23:45 PM »
it was an interesting idea but still would take up more room than your design.
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" the less talent they have, the more pride, vanity and arrogance they have. All these fools, however, find other fools who applauded them " .    ERASMUS 1509

Offline fabr

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Re: Finally Shafted
« Reply #13 on: April 19, 2012, 04:55:50 PM »
Did the HT (actually aging) of the vasco shaft last night. Did a Rockwell on it today and it hit a RockwellC 52. Max hard and max strength at that level.I couldn't be happier. Well,it's time to go back together now.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: Finally Shafted
« Reply #14 on: April 20, 2012, 07:18:33 AM »
I personally think that will be more than you need and should work w/o issues. no you can find new ways to beat that rail! lol   I do like the design of it and especially the h/L capability and compact design!!!!!!
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" the less talent they have, the more pride, vanity and arrogance they have. All these fools, however, find other fools who applauded them " .    ERASMUS 1509
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