Originally Posted by Savington
(Post 692636)
Bravo, sir. :rofl:
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I'm going to attempt to drill these tial bolts with .062" hole tomorrow during lunch. I'm too hungry to do it now & Meg's got "dinner" waiting at home.
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Originally Posted by Savington
(Post 692636)
Bravo, sir. :rofl:
We have six pages of people understanding that these bolts are stretching and relaxing, yet people still can't seem to get it through their heads. |
Originally Posted by TurboTim
(Post 692644)
I'm going to attempt to drill these tial bolts with .062" hole tomorrow during lunch. I'm too hungry to do it now & Meg's got "dinner" waiting at home.
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Originally Posted by y8s
(Post 692648)
you might want to place your order for a dozen solid carbide bits from mcmaster or head over there.
Originally Posted by hustler
(Post 692645)
Why go through the trouble of nordlock when red Loctite will change the chemical composition of the metal and stop the bolt from relaxing?
We have six pages of people understanding that these bolts are stretching and relaxing, yet people still can't seem to get it through their heads. |
Tim, I owe you many beers.
Surprisingly, the SS bolts with inconel wire last ~5 track days, the unwired fancy bolts last a few minutes before they fall out. Let me see what's up with my local machinist and if that doesn't work I'll have to do some 2-day air back and forth, or I'll buy whatever you have. Now that I'm getting serious in TT and paying $300 in entry fees, getting the car perfect before each race is essential. |
Originally Posted by TurboTim
(Post 692644)
I'm going to attempt to drill these tial bolts with .062" hole tomorrow during lunch. I'm too hungry to do it now & Meg's got "dinner" waiting at home.
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Hustler, what is your turbine inlet temp at full sustained load?
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Originally Posted by hustler
(Post 692688)
Now that I'm getting serious in TT and paying $300 in entry fees, getting the car perfect before each race is essential.
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Originally Posted by JKav
(Post 692708)
Hustler, what is your turbine inlet temp at full sustained load?
Originally Posted by Gotpsi?
(Post 692736)
How much do you normally pay? after paying for timing most MC events are $190 "buttonwillow"-$330 "Laguna seca" here in Cali.
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Originally Posted by JKav
(Post 692708)
Hustler, what is your turbine inlet temp at full sustained load?
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Originally Posted by hustler
(Post 692688)
Tim, I owe you many beers.
Originally Posted by aznDragonX
(Post 692702)
nice. I will be interested to find out as well. Tim, possible to drill the tial bolts in my kit if you haven't ship them out yet.
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Yes Tim. It's me. Cool, thank you for doing this!
- Jason |
Originally Posted by Savington
(Post 692835)
Probably higher than mine (TX93/94 vs E85), and I have the same issue.
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Originally Posted by JKav
(Post 693062)
In that case then all this bolt-backing-out nonsense has to be vibration-driven.
The Inconel hardware may not back out, but Trey and I aren't about to spend $500 per experiment to find out. Wire guarantees that if it comes a little loose, the turbo will probably still survive. If there's no wire and they come loose, you're on the hook for nearly a thousand bucks. |
Originally Posted by aznDragonX
(Post 692972)
Yes Tim. It's me. Cool, thank you for doing this!
- Jason Just now one of our prototype machinists (who hooked me up with the fixtures, tools, speeds, tips, etc) spot faced and drilled one bolt thru in 1 minute 40 sec, done, while he was also running another machine. I just don't got the feel for drilling apparently (too fast and you bust it, too slow and you work harden the inconel and bust it). He's gonna stare at me tomrrow for a few minutes to see what I'm doing wrong. But if it wasn't a fluke and it can be done with a $1.50 drill bit and a few min a piece then it should be cheap. |
Originally Posted by TurboTim
(Post 693088)
Today at lunch I attempted to drill .062 holes thru 10mm of tial inconel. Over 60 minutes I ate 7 cobalt drills, broke 2 within the hole, and only managed to drill two thru (not including the two I scrapped due to a stuck broken drill bit).
Just now one of our prototype machinists (who hooked me up with the fixtures, tools, speeds, tips, etc) spot faced and drilled one bolt thru in 1 minute 40 sec, done, while he was also running another machine. I just don't got the feel for drilling apparently (too fast and you bust it, too slow and you work harden the inconel and bust it). He's gonna stare at me tomrrow for a few minutes to see what I'm doing wrong. But if it wasn't a fluke and it can be done with a $1.50 drill bit and a few min a piece then it should be cheap. |
I can't yet.
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Originally Posted by TurboTim
(Post 693094)
I can't yet.
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Originally Posted by TurboTim
(Post 693094)
I can't yet.
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