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3D Printers are Fun! Gen 3 Hemi Roller Rockers #1856243 06/24/15 10:54 PM 06/24/15 10:54 PM
Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina STEFF OP master
STEFF OP master Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina	Here's some pics of my latest project for my Gen 3 Hemi. I designed up some Roller Rockers. Designed them up in Solid works and a friend at work has a 3D printer. Unbelievably Cool to be able to print a working mock up prototype in 1 1/2 hrs. These are version 2. I have one more dimensional change to the intake rocker to try and next step will be FEA analysis to refine weak points, eliminate unnecessary material weight and then off to manufacture a full set of working prototypes. Material will be steel.

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856248 06/24/15 11:03 PM 06/24/15 11:03 PM
Joined: Jan 2008 Posts: 4,255 Canada WO23Coronet master
WO23Coronet master Joined: Jan 2008 Posts: 4,255 Canada	What advantages/improvements did you design into them?

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856253 06/24/15 11:06 PM 06/24/15 11:06 PM
Joined: Nov 2003 Posts: 10,384 Upstate NY Bigcube I Live Here
Bigcube I Live Here Joined: Nov 2003 Posts: 10,384 Upstate NY	Where's the "like" button? Very cool! Jim

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: WO23Coronet] #1856263 06/24/15 11:18 PM 06/24/15 11:18 PM
Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina STEFF OP master
STEFF OP master Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina	Originally Posted By WO23Coronet What advantages/improvements did you design into them? Much improved geometry for larger lift cams. Changed the angle relationship between the valve typ contact to the pushrod cup by 12 degrees to get the pivot centerline to the valve and pivot centerline to pushrod to 90 degrees at mid lift.

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856301 06/25/15 12:05 AM 06/25/15 12:05 AM
Joined: Feb 2011 Posts: 4,302 Nebraska 72Swinger master
72Swinger master Joined: Feb 2011 Posts: 4,302 Nebraska	Schwing! Mopar to the bone!!!

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856352 06/25/15 01:08 AM 06/25/15 01:08 AM
Joined: Jan 2005 Posts: 12,419 Kalispell Mt. H HotRodDave I Live Here
HotRodDave I Live Here H Joined: Jan 2005 Posts: 12,419 Kalispell Mt.	Mid lift of what lift? I am not causing global warming, I am just trying to hold off a impending Ice Age!

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856360 06/25/15 01:30 AM 06/25/15 01:30 AM
Joined: Jun 2005 Posts: 6,257 gulfport, ms, west mi rowin4 master
rowin4 master Joined: Jun 2005 Posts: 6,257 gulfport, ms, west mi	Google you tube Joseph de Simone 3 -d printers are now antiques it's ok to butt heads, just don't do it with a butthead

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: rowin4] #1856378 06/25/15 02:00 AM 06/25/15 02:00 AM
Joined: Jan 2003 Posts: 5,484 SoCal Brian Hafliger master
Brian Hafliger master Joined: Jan 2003 Posts: 5,484 SoCal	Don't forget an adjuster! What ratio are you planning? Brian Hafliger

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856419 06/25/15 03:50 AM 06/25/15 03:50 AM
Joined: Jan 2003 Posts: 20,175 Park Forest, IL slantzilla Too Many Posts
slantzilla Too Many Posts Joined: Jan 2003 Posts: 20,175 Park Forest, IL	Way too cool. "Everybody funny, now you funny too."

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856420 06/25/15 03:55 AM 06/25/15 03:55 AM
Joined: Feb 2005 Posts: 5,207 Menomonee Falls DemonDust master
DemonDust master Joined: Feb 2005 Posts: 5,207 Menomonee Falls	That is awesome! What's it cost to print something like that? What kind of tolerances can they produce? Last edited by R5P7Duster; 06/25/15 03:55 AM. SDG Motorsports Hellcat Demon and Redeye Supercharger CNC Porting https://www.sdgmotorsports.com/

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: rowin4] #1856433 06/25/15 07:46 AM 06/25/15 07:46 AM
Joined: Jan 2007 Posts: 685 pennsylvania poboyengineering mopar
poboyengineering mopar Joined: Jan 2007 Posts: 685 pennsylvania	Originally Posted By rowin4 Google you tube Joseph de Simone 3 -d printers are now antiques Was that a Bucky Ball he made onstage? Very cool stuff! It may be ugly, but it sure is slow. Girls comb their hair in rear view mirrors and the boys try to look so hard....

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: poboyengineering] #1856449 06/25/15 09:23 AM 06/25/15 09:23 AM
Joined: May 2005 Posts: 1,642 Chicago, Illinois donscuda top fuel
donscuda top fuel Joined: May 2005 Posts: 1,642 Chicago, Illinois	Great work on the design!

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856463 06/25/15 10:02 AM 06/25/15 10:02 AM
Joined: Feb 2011 Posts: 1,454 Glendora Ca. J Just-a-dart pro stock
Just-a-dart pro stock J Joined: Feb 2011 Posts: 1,454 Glendora Ca.	Very cool Steff. adjusters? "Just a Bracket car dressed up like a streetcar"

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: Just-a-dart] #1856489 06/25/15 11:06 AM 06/25/15 11:06 AM
Joined: Jul 2010 Posts: 1,845 Tampa D DusterDave top fuel
DusterDave top fuel D Joined: Jul 2010 Posts: 1,845 Tampa	Nice work! Since they will be made of steel, are you going to press in bronze bushings? Gone to the dark side with an LS3 powered '57 Chevy 210

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856495 06/25/15 11:12 AM 06/25/15 11:12 AM
Joined: Oct 2005 Posts: 8,869 Ontario, Canada S Stanton Don't question me!
Stanton Don't question me! S Joined: Oct 2005 Posts: 8,869 Ontario, Canada	Quote: Google you tube Joseph de Simone 3 -d printers are now antiques A great concept but these guys are still a long way from having their product on the market. 3D printers will still be around for a while yet.

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: STEFF] #1856496 06/25/15 11:12 AM 06/25/15 11:12 AM
Joined: Jul 2008 Posts: 361 Canada onig enthusiast
onig enthusiast Joined: Jul 2008 Posts: 361 Canada	That is so cool. Any design changes on your belt drive or updates? 69 Dart

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: HotRodDave] #1856523 06/25/15 12:03 PM 06/25/15 12:03 PM
Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina STEFF OP master
STEFF OP master Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina	Originally Posted By HotRodDave Mid lift of what lift? Unless you want to run Jesel's Keyway or Dogbone Lifters, or until someone comes out with a less expensive aftermarket lifter for the Gen 3's, stock lifter travel is pretty much maxed out with .400 /.420 max lobe lift. These rockers are set up with a 1.65 rocker ratio. My solid lifter cam has a .410 lobe. .410 x 1.65 = .676. Then take away lash.... .676 - .014 (int)= .662. Mid valve lift = .331"

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: DemonDust] #1856524 06/25/15 12:06 PM 06/25/15 12:06 PM
Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina STEFF OP master
STEFF OP master Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina	Originally Posted By R5P7Duster That is awesome! What's it cost to print something like that? What kind of tolerances can they produce? Friend is doing them. I gave him few bucks. Printing Tolerance is +/-.005"

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: Just-a-dart] #1856526 06/25/15 12:07 PM 06/25/15 12:07 PM
Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina STEFF OP master
STEFF OP master Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina	Originally Posted By Just-a-dart Very cool Steff. adjusters? No adjuster. Setting lash with Lash Caps like NASCAR has evolved to.

Re: 3D Printers are Fun! Gen 3 Hemi Roller Rockers [Re: DusterDave] #1856527 06/25/15 12:08 PM 06/25/15 12:08 PM
Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina STEFF OP master
STEFF OP master Joined: Jan 2003 Posts: 3,871 Smyrna, South Carolina	Originally Posted By DusterDave Nice work! Since they will be made of steel, are you going to press in bronze bushings? Yes

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