[DeTomaso] Centerforce flywheel hole alignment

jderyke at aol.com jderyke at aol.com
Mon Apr 16 22:42:28 EDT 2018 

Be sure to include a tolerance for both diameters and bolt circle location, since nothing mechanical or human is perfect, in spite of what it says on the dwg. When I worked for Lockheed and checked satellite dwgs as part of my liason engineering job, that was the hardest thing to get across to Design Engineers. Oh, and trying to dimension off a dwg was grounds for immediate dismissal. With Cad/Cam or any such programs, we always chucked up a piece of wood or plastic before trying a program, so as to not waste a chunk of metal if things needed correction.
Good luck- J DeRyke


-----Original Message-----
From: Rich Hoppe <richbhoppe at gmail.com>
To: Mike Drew <MikeLDrew at aol.com>
Cc: DeTomaso at server.detomasolist.com <detomaso at server.detomasolist.com>
Sent: Mon, Apr 16, 2018 4:04 pm
Subject: Re: [DeTomaso] Centerforce flywheel hole alignment


The map has the correct dimensions in inches andA decimal inches.
The labels should have been left outA or " used for inches not a
single '.  Centerforce gave me the diameter of holes 12.375 inches and 3.410
inches between bolts. The rest I had a cad tech calc.
I have a Bridgeport mill with a digital readout in my garage and I am
going to try to drill the holes.
Maybe I am wrong but it should not be that hard to do.
Place the flywheel on the table.
Center the mill on the flywheel.
Move head to dimensions shown.
Drill, tap and add recess for bolt shoulder.
Guys I am not a machinist, tell me what I am missing.
Rich



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References

1. mailto:MikeLDrew at aol.com
2. mailto:richbhoppe at gmail.com
3. mailto:MikeLDrew at aol.com
4. mailto:richbhoppe at gmail.com
5. mailto:MikeLDrew at aol.com
6. mailto:richbhoppe at gmail.com
7. mailto:MikeLDrew at aol.com
8. mailto:richbhoppe at gmail.com
9. https://mail.google.com/mail/u
10. mailto:DeTomaso at server.detomasolist.com
11. http://server.detomasolist.com/mailman/listinfo/detomaso
12. mailto:MikeLDrew at aol.com
13. mailto:richbhoppe at gmail.com
14. mailto:MikeLDrew at aol.com
15. mailto:richbhoppe at gmail.com
16. https://mail.google.com/mail/u/0/?ui=2&ik=d550393810&view=att&th=162d0495ae081a41&attid=0.1&disp=safe&zw
17. mailto:DeTomaso at server.detomasolist.com
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-------------- next part --------------
   Be sure to include a tolerance for both diameters and bolt circle
   location, since nothing mechanical or human is perfect, in spite of
   what it says on the dwg. When I worked for Lockheed and checked
   satellite dwgs as part of my liason engineering job, that was the
   hardest thing to get across to Design Engineers. Oh, and trying to
   dimension off a dwg was grounds for immediate dismissal. With Cad/Cam
   or any such programs, we always chucked up a piece of wood or plastic
   before trying a program, so as to not waste a chunk of metal if things
   needed correction.
   Good luck- J DeRyke
   -----Original Message-----
   From: Rich Hoppe <richbhoppe at gmail.com>
   To: Mike Drew <MikeLDrew at aol.com>
   Cc: DeTomaso at server.detomasolist.com <detomaso at server.detomasolist.com>
   Sent: Mon, Apr 16, 2018 4:04 pm
   Subject: Re: [DeTomaso] Centerforce flywheel hole alignment
   The map has the correct dimensions in inches andA decimal inches.
   The labels should have been left outA or " used for inches not a
   single '.  Centerforce gave me the diameter of holes 12.375 inches and
   3.410
   inches between bolts. The rest I had a cad tech calc.
   I have a Bridgeport mill with a digital readout in my garage and I am
   going to try to drill the holes.
   Maybe I am wrong but it should not be that hard to do.
   Place the flywheel on the table.
   Center the mill on the flywheel.
   Move head to dimensions shown.
   Drill, tap and add recess for bolt shoulder.
   Guys I am not a machinist, tell me what I am missing.
   Rich
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   > Members who post to this list grant license to the list to forward
   any message posted here to all past, current, or future members of the
   list. They also grant the list owner permission to maintain an archive
   or approve the archiving of list messages.
   References
   1. [3]mailto:MikeLDrew at aol.com
   2. [4]mailto:richbhoppe at gmail.com
   3. [5]mailto:MikeLDrew at aol.com
   4. [6]mailto:richbhoppe at gmail.com
   5. [7]mailto:MikeLDrew at aol.com
   6. [8]mailto:richbhoppe at gmail.com
   7. [9]mailto:MikeLDrew at aol.com
   8. [10]mailto:richbhoppe at gmail.com
   9. [11]https://mail.google.com/mail/u
   10. [12]mailto:DeTomaso at server.detomasolist.com
   11. [13]http://server.detomasolist.com/mailman/listinfo/detomaso
   12. [14]mailto:MikeLDrew at aol.com
   13. [15]mailto:richbhoppe at gmail.com
   14. [16]mailto:MikeLDrew at aol.com
   15. [17]mailto:richbhoppe at gmail.com
   16.
   [18]https://mail.google.com/mail/u/0/?ui=2&ik=d550393810&view=att&th=16
   2d0495ae081a41&attid=0.1&disp=safe&zw
   17. [19]mailto:DeTomaso at server.detomasolist.com
   18. [20]http://server.detomasolist.com/mailman/listinfo/detomaso
   19. [21]mailto:DeTomaso at server.detomasolist.com
   20. [22]http://server.detomasolist.com/mailman/listinfo/detomaso
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References

   1. mailto:DeTomaso at server.detomasolist.com
   2. http://server.detomasolist.com/mailman/listinfo/detomaso
   3. mailto:MikeLDrew at aol.com?
   4. mailto:richbhoppe at gmail.com?
   5. mailto:MikeLDrew at aol.com?
   6. mailto:richbhoppe at gmail.com?
   7. mailto:MikeLDrew at aol.com?
   8. mailto:richbhoppe at gmail.com?
   9. mailto:MikeLDrew at aol.com?
  10. mailto:richbhoppe at gmail.com?
  11. https://mail.google.com/mail/u
  12. mailto:DeTomaso at server.detomasolist.com?
  13. http://server.detomasolist.com/mailman/listinfo/detomaso
  14. mailto:MikeLDrew at aol.com?
  15. mailto:richbhoppe at gmail.com?
  16. mailto:MikeLDrew at aol.com?
  17. mailto:richbhoppe at gmail.com?
  18. https://mail.google.com/mail/u/0/?ui=2&ik=d550393810&view=att&th=162d0495ae081a41&attid=0.1&disp=safe&zw
  19. mailto:DeTomaso at server.detomasolist.com?
  20. http://server.detomasolist.com/mailman/listinfo/detomaso
  21. mailto:DeTomaso at server.detomasolist.com?
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