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IndustryArena Forum > Hobby Projects > I.C. Engines > Model V8 engine plans required
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Results 301 to 320 of 525
  1. #301
    Join Date
    Dec 2006
    Posts
    603
    Quote Originally Posted by 3rnieball View Post
    People may have modelled the entire engine and reported a missing dimension, but they havent noticed the small discrepancy in thickness between the main bearing bore on the block, and that on the oil pan. Speed isnt everything. Fantastic work Steve!

    Update:

    After looking at it very carefully, i believe that it doesn't actually matter. Sorry Guys.

    Send me an email anyway with what you found. I would like to take a look at it.

  2. #302
    Join Date
    Dec 2006
    Posts
    603
    The tank is mounted. I made the mount posts using the same process as the motor mounts. I am happy with the mount. The tank is rock solid.



  3. #303
    Join Date
    May 2005
    Posts
    394
    Steve I checked it and 3rnieball is correct. there is a discrepancy doubtful it will make any difference but it is there. I have corrected it in my drawings. good catch 3rnieball.

  4. #304
    Join Date
    Dec 2006
    Posts
    603
    Again, what did you find? I would like to correct every problem no matter how small.

  5. #305
    Join Date
    May 2005
    Posts
    394
    the inside ends of the oil pan do not line up with the inside of the block. and the bolt pattern on the pan is off by .082

  6. #306
    Join Date
    Dec 2006
    Posts
    603
    Quote Originally Posted by cforcht View Post
    the inside ends of the oil pan do not line up with the inside of the block. and the bolt pattern on the pan is off by .082

    You scared the crap out of me! I have the oilpan .003 in the front and .001 in the rear larger than the block.

    Where do you have a .082 difference?

  7. #307
    Join Date
    Dec 2006
    Posts
    603
    Your killing me here. I can't find anything wrong with the oil pan pocket, crank pockets or the bolt hole pattern in both the block and oil pan. What's up with the .082"?

  8. #308
    Join Date
    Dec 2006
    Posts
    603
    I found a similar problem with the intake. It would not affect anything but I changed it anyway.

  9. #309
    Join Date
    May 2005
    Posts
    394
    just a public acknowledgment that the bolt holes were my error not steve's

  10. #310
    Join Date
    Jul 2011
    Posts
    0

    The plans are amazing and I love them. The only thing I dont like is the dimensioning is pretty confusing. Maybe its because my profession is engineering and I see it a lot more orgainzed. But like I said amazing job on developing this idea and putting it to paper steve

  11. #311
    Join Date
    Dec 2006
    Posts
    603
    Quote Originally Posted by Engineeringcrew View Post
    The plans are amazing and I love them. The only thing I dont like is the dimensioning is pretty confusing. Maybe its because my profession is engineering and I see it a lot more orgainzed. But like I said amazing job on developing this idea and putting it to paper steve

    Thanks, I think Haahahah!!!

    Keep in mind that this is my first attempt at making dimensioned drawings. I have no background in the field. I had no intension of doing it but I had so many requests that I said I would try.

  12. #312
    Join Date
    Jul 2011
    Posts
    0
    Quote Originally Posted by stevehuckss396 View Post
    Thanks, I think Haahahah!!!

    Keep in mind that this is my first attempt at making dimensioned drawings. I have no background in the field. I had no intension of doing it but I had so many requests that I said I would try.
    You did an awesome job. In reality there isnt much of a better way to dimension the drawing. A few hidden lines on some of them would have helped, but congrats on this achievement

  13. #313
    Join Date
    Dec 2006
    Posts
    603
    I have completed the fixtures for the radiator. I have to believe there will be a high speed run to the hobby shop for some tubing and 1/2 inch wide fin stock.

  14. #314
    Join Date
    Dec 2010
    Posts
    0

    Hi People..

    I think i have found another slight discrepancy. this time it is in the PCD for the screw holes between the bell housing, and bell housing adapter. Let me know if im wrong. also an idea for the spark plug to lead connection.. How about good old female bullet terminals? ones with a rubber insulator... Im sure they could be tweaked.

    Toolstation > Electrical > Crimp Terminals > Bullet Connector Female

  15. #315
    Join Date
    Dec 2006
    Posts
    603
    Quote Originally Posted by 3rnieball View Post
    I think i have found another slight discrepancy. this time it is in the PCD for the screw holes between the bell housing, and bell housing adapter. Let me know if im wrong. also an idea for the spark plug to lead connection.. How about good old female bullet terminals? ones with a rubber insulator... Im sure they could be tweaked.

    Toolstation > Electrical > Crimp Terminals > Bullet Connector Female

    The parts mate perfectly in cad. It has to do with the way the holes are dimensioned and the fact that I only went out 3 decimal places. If there is an error it will be less than a half thou. I made 3 of them and they all mated perfectly to the block and adapter plate. Im positive that if you get those holes anywhere near where the print shows, the piece will bolt on with no trouble.

  16. #316
    Join Date
    Dec 2006
    Posts
    603
    I made the trip to the hobby store and bought the balance of the needed brass. I cut all my pieces up and prepped the end plates.




    I loaded the end plates into the recess in the fixture.




    Then all the fins are loaded up. I cut the fins about .100 longer than is needed. After assembly the plan is to mill the fins to size.



    Then the fixture is pinched in the vise to align the fins in the fixture and tightened up.




    Next the holes are drilled thru. The tubing I bought was running a bit large so I bumped up my drill size to .003 larger than the tubing. Then the step in the side is milled on both sides




    Now the pieces get loaded into the other fixture. When they come out of the drilling fixture make sure they stay in a stack and do not flip them end for end. If you keep them straight the tubes will slide right thru the stack and into place. I made the tubes extra long also so I will need to mill them to size later. I placed all the fins into the slots and slid the first tube thru the stack. Then I placed the top piece of the fixture on the stack.




    Then the remaining tubes are slid into the stack. I managed to soft solder the fins to the outside tubes but I cant get enough heat to finish the end plates. Seems I'll be looking for a new torch.


  17. #317
    Join Date
    Oct 2006
    Posts
    708
    Steve, you are a practical genius!

  18. #318
    Join Date
    Dec 2006
    Posts
    603
    Made the tanks for the radiator today. Started out by milling the pockets out in some 1/2 X 1/2 inch brass.




    Then manually I milled the piece to length.




    Then I milled the angles in the ends of the tanks.




    Then I proceeded to drill the wrong size holes in the tank for the fittings!!! AAARRRRGGGG!!!




    I think im just going to make fittings that fit the holes rather than make new tanks. Not happy!!

  19. #319
    Join Date
    Apr 2003
    Posts
    1873
    That must have been VERY annoying, bound to happen but never goes down easy.

    That radiator will be looking very sharp.

  20. #320
    Join Date
    Dec 2006
    Posts
    603
    Yesterday = bad!!

    I came home from work today ready to start on the fittings for the radiator. Chucked up a piece of round, looked over at the tanks, unchucked the round, walked over and tossed the tanks in the trash. I couldn't stand the sight of those giant holes in the side.

    Spent the day making 4 new tanks.





    I'll do fittings maybe thursday

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