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Title: Race car hinge pins Post by: leec on March 27, 2016, 15:16:33 pm Hi guys,
Had a quick google but nothing really found... I want to run my steel type 3 doors with original hinges but would like to use some sort of quick release hinge pins. The aim is that I can remove the doors easy if I need to by just removing the hinge pin and leaving the hinge attached to a post, does that make sense? Any ideas? Lee Title: Re: Race car hinge pins Post by: Paul Bahnstormerz on March 27, 2016, 15:35:56 pm Tap one end of a rod and loctite a rivnut to one end, fit the pin, drill a hole for split pin to lock in place. The rivnut has a nice flange to rest against the hinge plates and gives you something to pull on
Title: Re: Race car hinge pins Post by: leec on March 27, 2016, 15:56:58 pm Nice idea, thank you ;D
Title: Re: Race car hinge pins Post by: Fastbrit on March 27, 2016, 16:19:30 pm Google (or eBay) 'pip pins'... Quicker and more convenient than using rods with separate split pins, etc. Plenty of designs available:
(http://www.specialty-fasteners.co.uk/content/img/lib/Lge/36.jpg) Title: Re: Race car hinge pins Post by: spanners on March 28, 2016, 12:26:43 pm You all must have gold cards, ;) some gorgeous kit out there right enough, but I only use shop bought to go quicker if I can't DIY my own solutions, I use Allen cap screws on nyloks, available in TI and ally if you must pair off grams.
Title: Re: Race car hinge pins Post by: dragvw2180 on March 28, 2016, 13:36:05 pm Me , I am a cheap ass , I use long bolts which I remove the threaded part from and reshape and polish the bolt head . I leave the new pin a 1/4 inch longer than the hinge that way I can push the pin up for removal, has worked well for me. My race partner John has a cotter pin in his also but again mine have never fallen out without them. Hope this helps, Mike
Title: Re: Race car hinge pins Post by: stussyrich on March 28, 2016, 15:28:56 pm I'd say you don't need a removable pin at all. just modify the original hinges.
Title: Re: Race car hinge pins Post by: leec on March 28, 2016, 16:29:51 pm I'd say you don't need a removable pin at all. just modify the original hinges. Interesting. In what way? Lee Title: Re: Race car hinge pins Post by: stussyrich on March 28, 2016, 16:53:12 pm I'd say you don't need a removable pin at all. just modify the original hinges. Interesting. In what way? Lee can't find any pics but you just cut the top section of the hinge off the car side and leave the original pin in. then open up the hole in the hinge section on the door side to allow it to slide freely over the old pin. simple. Title: Re: Race car hinge pins Post by: richie on March 28, 2016, 17:36:34 pm I'd say you don't need a removable pin at all. just modify the original hinges. Interesting. In what way? Lee Push pin out, machine top half of pin slightly undersize so it slips into top half of hinge easily, then push pin back in again Title: Re: Race car hinge pins Post by: spanners on March 28, 2016, 18:07:45 pm That's the thing of this forum, more tinkers than other forums, many solutions hitting the spot, my rallycross cars of the '80s were pared to the bone, the heavy hinges were binned and replaced with ally angle, only the joy (stupidity) of youths recklessness allowed me to run in a contact motor sport with skeletal doors and turbo power :-\
Title: Re: Race car hinge pins Post by: Neil Davies on March 28, 2016, 18:30:20 pm I used steel rod, cut with 5mm over at each end. Welded a washer on the top, then spun the pin in a drill while using a grinder to shape a mushroom head out of the weld. Tapered the bottom slight and drilled a hole for a split pin. The only time I ever took the doors off was when I was fitting the new roll cage - so you have to ask yourself, how useful exactly are lift off doors?
Title: Re: Race car hinge pins Post by: stussyrich on March 28, 2016, 18:51:42 pm I used steel rod, cut with 5mm over at each end. Welded a washer on the top, then spun the pin in a drill while using a grinder to shape a mushroom head out of the weld. Tapered the bottom slight and drilled a hole for a split pin. The only time I ever took the doors off was when I was fitting the new roll cage - so you have to ask yourself, how useful exactly are lift off doors? ever tried pushing / steering a car with non opening windows into a small workshop. or even trying to work on interior of the car in a garage with the doors on. There is loads of reasons to have them removeable. |