sky
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| posted on 26/8/13 at 03:23 PM |
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Striker front lower wishbone failure
Very dangerous, fortunately it happens on a straight line at low speed.
From where comes the lower ball joint and the lower wishbone's bushes of a Sierra based Striker?
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shaun fulcrum
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| posted on 26/8/13 at 03:43 PM |
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I got one from raw recently, think it was about £18 delivered. Didn't know what it was so just went to them.
Hope the damage is minimal?
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sky
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| posted on 26/8/13 at 03:48 PM |
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Yes, only the lower wishbone but if it happened on the twisty roads I could have gone like a rocket on the mountain or down into the canyon.
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shaun fulcrum
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| posted on 26/8/13 at 04:02 PM |
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Did it break on the weld? Any undue stress (pothole) or just completely random? Got me paranoid now 
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sky
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| posted on 26/8/13 at 04:05 PM |
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Seems on the weld but I've to check better.
Completely random, just apparently normal corrosion.
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clanger
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| posted on 26/8/13 at 04:07 PM |
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glad you're ok. hope it wasn't the same person who welded the wingstays.............Mr Pigeon Chit...
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shaun fulcrum
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| posted on 26/8/13 at 04:22 PM |
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Deffinately checking mine thoroughly before the next outing!
Glad all ok otherwise.
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designer
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| posted on 26/8/13 at 04:33 PM |
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What diameter is the tubing?
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sky
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| posted on 26/8/13 at 04:39 PM |
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If I remember correctly 19 mm of diameter, 1 mm of thickness.
I would like the next wishbone to be 25 mm of diameter with 1.6 mm of thickness.
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jeffw
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| posted on 26/8/13 at 04:40 PM |
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Happened on my Phoenix but then they where 19 years old when they let go. Raw have them I'm sure.
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sky
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| posted on 26/8/13 at 04:43 PM |
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I sent a mail to RAW
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loggyboy
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| posted on 26/8/13 at 04:44 PM |
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They're a maxi joint IIRC
Mistral Motorsport
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theprisioner
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| posted on 26/8/13 at 05:30 PM |
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Is that a part originally manufactured by Sylva Autokits or RAW engineering?
http://sylvabuild.blogspot.com/
http://austin7special.blogspot.co.uk/
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sky
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| posted on 26/8/13 at 05:33 PM |
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Don't really know.
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austin man
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| posted on 26/8/13 at 06:01 PM |
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I was never happy with using the small round bar I had my Locost ones remade in oval tube as the originale started to bend
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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pewe
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| posted on 26/8/13 at 06:14 PM |
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That's why on the F27 I went for 25mm diam and 3mm wall thickness tubing.
Suspect it only adds marginally to the car's overall weight but gives a better sense of security.
Cheers, Pewe10 
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Werner Van Loock
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| posted on 26/8/13 at 06:14 PM |
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Make sure you also replace the other wishbone, probably on it's way to failure too.
How much castor has your front? If it's too much it might give stress on the bottom balljoint under load and thus stress on the wishbone.
http://www.clubstylus.be
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sky
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| posted on 26/8/13 at 06:22 PM |
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Yes, I'll replace also the other.
A lot of castor, more than 10 degrees.
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strikerguy
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| posted on 26/8/13 at 06:23 PM |
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On a trackday i have seen lower wishbones bend back after heavy braking. Reason for some to box up the tubes, so much like the upper wishbone.
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Carbonman
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| posted on 26/8/13 at 07:30 PM |
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Isn't that the same corner you have been working on recently, as in your"which upright" post?
Carbon Copies Ltd
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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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MikeRJ
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| posted on 26/8/13 at 07:31 PM |
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quote:
Originally posted by loggyboy
They're a maxi joint IIRC
Definately not a Maxi joint from the pictures. There is a large hex visible on the ball joint body so it seems they may be screwed into the
wishbone/upright adapter which would make the Metro balljoint a strong possibility.
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Talon Motorsport
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| posted on 26/8/13 at 08:05 PM |
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Please tell me there not people out there making lower wishbones for road use from 1mm tube?
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sky
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| posted on 26/8/13 at 08:08 PM |
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It's possible that I don't remember correctly the thickness...I will check!
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sky
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| posted on 26/8/13 at 08:11 PM |
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quote:
Originally posted by Carbonman
Isn't that the same corner you have been working on recently, as in your"which upright" post?
Yes, but over a year ago, working on both corners and not a problem at all with a few miles on the road and a couple of trackdays.
I think the main problem was the rust inside the tube.
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Bare
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| posted on 26/8/13 at 09:06 PM |
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On looking at your broken tube photo.. there is Rust ! visible on the broken end.
Unless you parked it in the rain for days before taking the photo, that thing was Pre-broken, for ...some time... previous.
Frankly it's a Bodge design .. But inept welding played it's part ?
[Edited on 26/8/13 by Bare]
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