Rorty
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| posted on 28/10/05 at 07:19 AM |
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Rorty Locost IRS Assembly.
Again, thanks to flakmonkey I can post the IRS files as promised.
As with the De Dion design, no warranty is given or implied as to the design's suitability for any purpose. It is as yet unproven in a Locost,
but is freely offered for educational and comparative purposes.
My puter tells me the IRS set-up is 14.2kg [31.2 lbs] heavier than the De Dion.
That figure includes additional bracing in the rear of the chassis necessary to support the wishbones.
The De Dion would still be my first choice for this type of car, but each to his own.
Rorty Locost IRS Assembly PDF
Cheers, Rorty.
"Faster than a speeding Pullet".
PLEASE DON'T U2U ME IF YOU WANT A QUICK RESPONSE. TRY EMAILING ME INSTEAD!
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Triton
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| posted on 28/10/05 at 07:47 AM |
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Rorty,
That should keep people going on the home building front....Might upset a few people but hey!
I know someone who bought a car set of irs and dd 'bones from a certain kit firm then went home, jigged them up and made enough so his brothers
could have a car....
Cheers
Mark
My Daughter has taken over production of the damn fine Triton race seats and her contact email is emmatrs@live.co.uk.
www.tritonraceseats.com
www.hairyhedgehog.com
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Rorty
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| posted on 28/10/05 at 08:03 AM |
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quote:
Originally posted by Triton
....Might upset a few people but hey!
Why do you think it will upset some people?  
Cheers, Rorty.
"Faster than a speeding Pullet".
PLEASE DON'T U2U ME IF YOU WANT A QUICK RESPONSE. TRY EMAILING ME INSTEAD!
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liam.mccaffrey
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| posted on 28/10/05 at 08:36 AM |
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you deserve a knighthood. I don't know if i could be so generous with what must have taken a lot of time and effort
Well done
Build Blog
Build Photo Album
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Fozzie
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| posted on 28/10/05 at 09:32 AM |
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Totally agree with Liam...superb!
I, personally, cannot see why anyone should be upset.
I won't need it, but plenty of peeps and future builders, will find this invaluable.
If it is beyond peoples capabilities they have other options. If people are capable, but need damn good diagrams/measurements just to work from, then
Rorty has provided that in bucket loads!
Brilliant..
Fozzie
[Edited on 28/10/05 by Fozzie]
'Racing is Life!...anything before or after is just waiting'....Steve McQueen
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jon_haggerty
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| posted on 28/10/05 at 10:03 AM |
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Cheers mate, greta contri. Think i might just have a go at this. Been umming and aghing for a while as what to do but this all looks fairly simple (as
such). Just need some new short shocks...
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gazza285
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| posted on 28/10/05 at 10:10 AM |
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I think Triton means that possibly the manufacturers of independent rear suspension kits will be upset.
DO NOT PUT ON KNOB OR BOLLOCKS!
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James
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| posted on 28/10/05 at 10:36 AM |
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Nice one Rorty! 
Very generous of you to spend your time on this!
Cheers,
James
[Edited on 28/10/05 by James]
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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alister667
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| posted on 28/10/05 at 10:38 AM |
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I doubt anyone will be too upset - it looks to be quite plainly Rorty's own work, it certainly is very different from , say, an MK Indy back
end.
It is a quality bit of work as well. Well done.
http://members.lycos.co.uk/alister667/
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Russ-Turner
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| posted on 28/10/05 at 11:03 AM |
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quote:
Originally posted by James
Nice one Rorty!
Hear, hear!
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Hellfire
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| posted on 28/10/05 at 11:30 AM |
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Not that we'll use it, but there is a lot of work gone on there! To which I remove my hat...
Things move on - as they say... if you don't develop to keep up, you effectively fall back.
Top bloke...
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rug
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| posted on 28/10/05 at 02:35 PM |
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Exactly what I needed!
How does the track width compare to the book chassi? Same?
/Carl
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James
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| posted on 28/10/05 at 04:33 PM |
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quote:
Originally posted by rug
Exactly what I needed!
How does the track width compare to the book chassi? Same?
/Carl
It's designed for use with a Locost chassis.
But the Locost is Escort based.
The Sierra is 4" wider than escort apparently.
Cheers,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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rug
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| posted on 28/10/05 at 05:18 PM |
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quote:
Originally posted by James
It's designed for use with a Locost chassis.
But the Locost is Escort based.
The Sierra is 4" wider than escort apparently.
Cheers,
James
That's what I was afraid of - that the front would have to be widened a bit too.
/Carl
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Peteff
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| posted on 28/10/05 at 05:38 PM |
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Front and rear track don't need to be equal, 4" on the rear will make very little difference to the driving characteristics of the car.
Lots of cars with Cortina rear axles have ben built and not had the front widened to match.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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Triton
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| posted on 28/10/05 at 05:42 PM |
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Missed the point there a bit....there are firms that get miffed when info like that is made public especially given away.......I think it's cool
idea so keep up the cracking work....as i love winding people up anyway
My Daughter has taken over production of the damn fine Triton race seats and her contact email is emmatrs@live.co.uk.
www.tritonraceseats.com
www.hairyhedgehog.com
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mnr laptop
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| posted on 28/10/05 at 07:09 PM |
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dont see why manufacturers should be upset, most people who buy kits do so as they dont have time / space / ability / confidence ( delete as
appropriate ) to make their own cars / chassis
and after all this site was started as a help line to home builders and has evolved to encompass a manufacturer like ourselves
no problems here only applause for rortys generosity
best regards
marc
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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Fozzie
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| posted on 28/10/05 at 11:00 PM |
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quote:
Originally posted by mnr laptop
dont see why manufacturers should be upset, most people who buy kits do so as they dont have time / space / ability / confidence ( delete as
appropriate ) to make their own cars / chassis
and after all this site was started as a help line to home builders and has evolved to encompass a manufacturer like ourselves
no problems here only applause for rortys generosity
best regards
marc
Absolutely Marc! my point exactly!
Well said!
'Racing is Life!...anything before or after is just waiting'....Steve McQueen
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ludsonline
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| posted on 6/12/05 at 05:07 AM |
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IRS
Top work Rorty, That looks superb M8
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Bob C
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| posted on 6/12/05 at 12:24 PM |
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Hi Bob, just a thought I'd be interested to hear your take on: you've connected the bones to the upright using rod-ends. In each case
you've screwed the rodend into a bung in the end of the tube & connected to a U bracket on the upright. Is there a good reason why you
didn't put the U bracket on the bone & a plain hole in the upright?
From where I'm sitting the latter arrangement is (arguably) easier to make & a million times easier to adjust, and the adjustment is not
quantised in 1/2 turns of the thread. The downside is that a loose one could potentially drop right off but I'm sure it would be noticed long
before that happened!
I mention it because it's effectively how I did my back bones & I adjusted the alignment (camber, toe, crab) at the weekend.
IT WAS SO EASY!!!! and so accurate!
cheers
Bob
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Mix
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| posted on 6/12/05 at 12:48 PM |
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Hi Bob C. I hope you don't mind me chipping in with my twopenneth.
From the picture in your archive of the rear suspension I would be concerned about the strenght of the rod end attachment to the chassis. It looks
like 3mm material and in that orientation I feel it will deform fairly easily when hitting potholes or possibly under braking. I like the idea and
feel if you want to go down this route you should consider welding threaded tubes to the chassis to take the rod ends.
Mick
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Bob C
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| posted on 6/12/05 at 01:04 PM |
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Yo Mick,
bear in mind they are 14mm rod ends!!!
supersize because the loading is not along the axis (& it's what they had in the shop....) It looks OK in the flesh but I take your point
& will keep an eye on that area!
cheers
Bob
PS threaded tubes on chassis means you're back with 1/2 turn adjustment quantisation...
[Edited on 6/12/05 by Bob C]
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Patching Cars
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 posted on 3/4/06 at 12:38 PM |
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Ready Made Wish Bones & Hub Carriers
Sadly the construction of the lower wish bones and the hud carriers is beyond my fabrication abbilities (both in terms of tools and skill)
So I was wandering if anyone has (or would be interested in) producing them read to fit? (to an appropriate chassis obviously)
Rob
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locostv8
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| posted on 1/6/06 at 07:47 PM |
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Greetings from the colonies. I am the gathering/planning stage of doing a LC7(8) using primaraly Mustang Fox chassis parts, very readily available
here. I had planned to use an 8.8 solid axle but your plans have now muddied the waters a bit such that an IRS might be desireable/doable using bits
from a number of other Ford cars here. Thanks Rorty.
http://wrangler.rutgers.edu/gallery2/v/7slotgrille/hssss/
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