Fastback definitive LINK thread. Hopefully this will make a sticky thread. First off need measured from rod end eye to rod end eye. either straight or including the bend in the link. For the 60/40 design of the FASTBACK II chassis. What length are the front links and rear links. 1. front lower with traxxis rod ends, no bend: 2. front lower with traxxis rod ends, 15* bend: 3. front lower with jato rod ends, no bend: 4. front lower with jato rod ends, 15* bend. 4 link set up for uppers 5. front upper with traxxis: 6. front upper with JATO: Rear links 7. Rear lower with traxxis rod ends, no bend: 8. Rear lower with traxxis rod ends, 15* bend: 9. Rear lower with traxxis rod ends, 30* bend: 10. Rear lower with JATO rod ends, no bend: 11. Rear lower with JATO rod ends, 15* bend: 12. Rear lower with JATO rod ends, 30* bend: Rear upper 4 link with Axial bender 4 link bracket. 13. Rear upper with traxxis rod ends: 14. Rear upper with JATO rod ends: Please fill in your measurements after the colon. hopefully this will take out some confusion on what length links to run on this chassis. |
Re: Fastback definitive LINK thread. Straight from the man. (DickyT) Read Up http://www.rccrawler.com/forum/axial...k-chassis.html Front lowers are 4 1/4 eye to eye, rears are 5 1/16. You can do the math for the rod ends. Everybody's uppers may be different depending on castor and link mount designs. Revo Rod end http://i359.photobucket.com/albums/o...0/Revomeas.jpg Sorry DickyT I totally copied all this out of your thread. |
Re: Fastback definitive LINK thread. your right, dickyt has it in there. but i read his and several other threads from front to back and have gotten numerous listings for lengths and pretty much all of them have the same scenario. So i was just trying to simplify it in one thread with some to the point measurements. thats why i listed the options with traxxis and jato rod ends. just thought it might help someone in the future. I have seen a lot of threads asking the same questions on here too and no one gives a straight answer to that question. Maybe i should have said rod end ball to rod end ball. would that help? |
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Eye to eye, all links will be the same length. They can be straight, bent, really bent, or crazy straw shaped. |
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I can't imagine most people do the math when bending links. I don't think I could accurately achieve the specific bend I accounted for in my math. I bend em up and get the rod ends on, then I stack em on top of each other and stick really long m3 rod through the stacked eyelets. If the links are the same length the rods will be parallel. It's surprisingly sensitive, more so than me wiggling around with calipers. "thumbsup" |
Re: Fastback definitive LINK thread. Or if you got a junk piece of wood and a few nails, you could measure out the desired length and nail the nails in so you have a jig. Once you get one done to whatever bend you want trace it. Then all you have to do is get it between the lines for the next X amount of links you want to build. |
Re: Fastback definitive LINK thread. Once I get one link bent to the right eye to eye length I put it in the calipers measuring outside to outside of the rod ends and lock them in place. Then all I have to do is slide the next link in to see if it matches. |
Re: Fastback definitive LINK thread. Just making up some upper links for my fastback II and was wondering are most of you guys running the same length as the lowers? Cheers Clint |
Re: Fastback definitive LINK thread. Uppers will be dependent on how much you want to clock the axle and pinion angle. Hopefully DickyT or Duuuuuuuuude has some lengths in htheir builds cause they are what I would be following Quote:
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Re: Fastback definitive LINK thread. I wouldn't get too excited about using uppers that are the same length as others you may find here, unless you're running the exact same 4 link plates front and rear. You're sometimes better off determining the length you need on your own. |
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The fronts will never be same length, and do not need to be. The rears do not need to be either. Close is good enough. I will define close as 75%+ of lower length. Quote:
As far was what works best for the 60/40: Front lowers are 4 1/4" rod end eye center to rod end eye center, rears are 5 1/16" eye to eye. It does not matter if your bends are 5*, 15*, 30* or 360*, or what rod ends you use. The eye to eye measurement is what matters. Get to measuring "thumbsup" Being this is specific to one chassis I do not think it is sticky material, but a great informative thread it is! |
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Re: Fastback definitive LINK thread. Someone should write all this up and put it up on the UGC Website. I nominate Richard. |
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Re: Fastback definitive LINK thread. so before i place an order for vp titanium links, if i need the fronts at 4 1/4 to I take 34mm (17mm each end) (according to the pic) off the entire length of the link or do I just take 20mm (10mm each end) off the entire link length? I have a conversion websited im trying to use and vp waiting on call back. My brain isn't functioning this morning. OH and 1 other thing, does a 30* bend in link give it a late 70s muscle car stance (all jacked up in the rear) and would a 15* bend be closer to level but with clearance? |
Re: Fastback definitive LINK thread. Bent links do nothing to change the stance of the rig, that is all done with the shocks. |
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These measurements are for a 12" wheel base on the FB II chassis right? So I added a 1/4" to each measurement to get a 12 1/2" wheelbase. well I measured, measured again, measured a third time, mearsured corner to corner and each side again to quadroople check and checked each cut 3 times each before I cut. I'll be damned if my wheel base is now 13 3/8". 7/8" to freekin long. what the hell am I doing wrong. I am using the curved metal rod ends from RC4WD and they are 12.5mm from center of eye to tip. And if anyone has the measurement off the top of their head, what is the length of a jato rod end over a revo rod end? |
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