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07-25-2013, 07:46 AM
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#1
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Supercharger pulley
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07-25-2013, 08:59 AM
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#2
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Name: oldestof11
Title: Drag racer
Status: Not Here
Join Date: Jul 2007
Location: Dixon, IL
Member`s Gallery
Posts: 9,084
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Looking good Levi
__________________
Jon
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07-25-2013, 09:23 AM
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#3
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Thanks, Jon.
It'll be nice to get this done, I haven't cobbled any bracing together to mount something on since my twins.
Another note, the ribs on a serpentine belt are supposedly 40* but there's a radius at the bottom of each groove. I doubt it's important but just in case it is it's best to have the blower pulley there to copy the profile off of.
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07-25-2013, 09:25 AM
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#4
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Name: WUnderwood
Title: CompD Minion
Status: Not Here
Join Date: Aug 2006
Location: Texas
Member`s Gallery
Posts: 8,418
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well done!
__________________
2011 Ford F-150 Lariat 4X4
RIP BFD99, jponder, and Forrest Nearing
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07-25-2013, 09:42 AM
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#5
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Name: Lostnwalmart
Title: Too Much Time
Status: Not Here
Join Date: Jul 2006
Location: Tokyo Japan
Member`s Gallery
Posts: 8,970
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well that went from ewwww to ohhhhh pretty dang fast
__________________
Ecorico scooter!!
-Cliff
Quote:
Originally Posted by Snedge
Anybody that would not haul a dinosaur for an orphanage is no friend of mine.
To some people it's all about money. Geez
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07-25-2013, 09:51 AM
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#6
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Thanks, guys.
No doubt, Lost, I scoured our junk pile for anything resembling 1-1/2" plate or 7.5" bar. Nothing...
I finally found this 2" thick plate and attacked it with the torch. Torching isn't my strong suit, so I gave myself plenty of room to mess up and that's what I had to start with.
It did end up cutting nicely, I've only got about 20 hours in it spread across 4 afternoons.
And 1/2 of a 55 gallon drum full of metal shavings.
:edit:
I also intend to drill and tap the holes in the fan idler to something a little stouter, I'm not sure I trust 6 M6 bolts to handle driving a blower.
Last edited by Tacoclaw; 07-25-2013 at 09:54 AM.
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07-25-2013, 10:02 AM
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#7
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Name: Mark Nixon
Title: No Savior among the flesh
Status: Not Here
Join Date: Feb 2009
Location: Brownville, Nebraska
Member`s Gallery
Posts: 8,676
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Quote:
Originally Posted by Tacoclaw
...I haven't cobbled any bracing together to mount something on...
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Such decent work, why add the word "cobble" into the mix?
I can see those belt grooves being a real PITA for even a good machinist.
Mark.
__________________
If you or I did business like the PEOPLE in government do business, we'd be put in jail. Government is coercive.
Anarchy: The state of existence where there are no masters & no slaves. Therefore, Anarchy means the ABSENCE OF SLAVERY, or, in other words, FREEDOM.
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07-25-2013, 10:08 AM
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#8
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Name: mathews8pt
Title: Too Much Time
Status: Not Here
Join Date: May 2009
Location: central ohio
Member`s Gallery
Posts: 2,269
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Looking good man!
__________________
Hobie
2000 QCSB, 180 pump, 6x.013's, maxspool 2.5, trans built by me, AD150, 64/80 compounds 11.51@119mph w/s468 single
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07-25-2013, 10:23 AM
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#9
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Thanks again, everyone!
Mark, this pulley does look good, I'm actually pretty proud of how it's turned out so far, but I can assure you that any bracing I make to support the blower will best be labeled as "cobbled".
Here's my practice run on the grooves, they started out nicely but my cutter caught an edge and took a chip out of the tip. That plus me not relieving quite enough off the sides and ruined it after the 4th plunge. Once it messed up I simply couldn't regrind it quite the same.
Last edited by Tacoclaw; 07-25-2013 at 10:31 AM.
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07-29-2013, 02:25 PM
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#10
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Back from the shop, dude did good. I told him to favor it towards the front of the pulley to give me as much clearance as possible.
Now then, are there any math gurus here that have a formula to tell you how many 1 5/32 holes you can drill around a circle with an OD of 6.250 and an ID of 3.804?
I know it'll clear each edge by about .033 but I'm wondering how many I can fit around it side by side. I can easily whip out 4, 8, or even 16 but any numbers not divisible by four will take some extra mathing, which I'm no good at...
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07-29-2013, 02:39 PM
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#11
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Sooo, I found the circumference of the halfway diameter between them; diameter is 5.034 circumference is 15.806, then divided the circumference by 1.156, which is the diameter of the drill bit. That comes up to 13.6, so I could fit a maximum of 13 holes in the space given, right?
Anybody possibly double check that for me...?
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07-29-2013, 07:34 PM
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#12
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Name: Tate
Title: What?
Status: Not Here
Join Date: Nov 2007
Location: Airdrie, Alberta
Member`s Gallery
Posts: 3,419
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The bolt circle diameter would be 5.027". If you figure out the chordal distance on that given diameter for 13 holes, its 1.168" to center of each hole. If hole diameter is 1.156, that only leaves 0.012" material between holes. That is 0.645" to the OD and 1.165 to the ID.
__________________
'98 3500 2wd, 24v, 5 spd, p-pumped
'98 2500 4wd, 12v, 6 spd, VP'd
'02 VW Jetta, 5 spd.
My p-pump conversion pics
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07-29-2013, 07:38 PM
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#13
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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07-29-2013, 07:39 PM
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#14
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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HA!
Thanks, Tate, guess I was typing mine out as you posted that.
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07-29-2013, 07:46 PM
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#15
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Name: chevydiesellly
Title: Green Behind the Ears
Status: Not Here
Join Date: Dec 2008
Member`s Gallery
Posts: 58
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Subd
__________________
Justin
04.5 Chevy LLY EC SB LT Mostly Stock.....
R.I.P. 17 April 2010 at 10:06pm hole in the block
Thanks to
Dustin @ Diesel Addiction, Tony @ All Season Diesel Performance, Guy @ SoCal Diesel ,Shane @ Wicked Diesel
U.S.M.C. 2003-Present
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07-29-2013, 07:47 PM
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#16
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Name: Mark Nixon
Title: No Savior among the flesh
Status: Not Here
Join Date: Feb 2009
Location: Brownville, Nebraska
Member`s Gallery
Posts: 8,676
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Personally, and not that my opinion matters a whit, but I think you're probably as light on that as is practical.
Much more might not be worth the effort and diminish the strength.
Why use steel and not high density/alloyed aluminum?
Mark.
__________________
If you or I did business like the PEOPLE in government do business, we'd be put in jail. Government is coercive.
Anarchy: The state of existence where there are no masters & no slaves. Therefore, Anarchy means the ABSENCE OF SLAVERY, or, in other words, FREEDOM.
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07-29-2013, 08:01 PM
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#17
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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I just don't have access to free, giant chunks of aluminum, it took me a couple days to dig up a chunk of steel big enough to make this thing. It woulda been much quicker hacking this thing out of aluminum, that's for sure.
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07-29-2013, 08:13 PM
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#18
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Name: iker42
Title: Hmm...
Status: Not Here
Join Date: Aug 2007
Location: Easton, PA
Member`s Gallery
Posts: 2,301
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This is freaking awesome to see. Kind of reminds me of that guy who was doing his own clutch and a bunch of morons got their panties all in a bunch because "he was copying people"
This is perfect, someone who wants to make something instead of paying an arm an a leg for it.
__________________
Michael "Dex" Brown - KCCO My Friend.
10/7/1987-6/2/2012
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07-29-2013, 08:19 PM
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#19
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Name: Headcase98002
Title: Too Much Time
Status: Not Here
Join Date: Sep 2010
Location: Edinburgh, Indiana
Member`s Gallery
Posts: 1,631
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Looks good, can't wait to see is all put together.
__________________
1998 QCDRW 4x4 - p24v, 4k's, 024's, SAC 6x.013's, s363/68/.83 - HT4B, BD Intercooler, ATS T4 Manifold, 6" Exhaust, FirePunk Trans, Hamilton Springs & Push Rods, ISS Pro Gauges, exc.....
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07-29-2013, 08:28 PM
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#20
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Name: Tacoclaw
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Cheshire, OH
Member`s Gallery
Posts: 453
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Thanks guys.
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