 | Home > Maintenance & Modifications > Super-Slim quick release steering boss |
 
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| Mike_B Member Since: 23 Jan 2011 Location: Moray Posts: 550   
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having seen a few variations on the theme, I decided to have a go at a quick release steering boss that is as close to standard depth as I could get. SailingTom's boss was the best I'd seen yet.
I bought a standard 48 spline steering boss from ebay for £28 plus shipping 
http://www.ebay.co.uk/itm/221935540889?_tr...EBIDX%3AIT Click image to enlarge Click image to enlarge I found a second hand NRG boss for £30
I cut off the excess material from the boss, before turning a recess for the QR hub to sit. I left about 8mm of thickness on the boss, for strength. The NRG hub is recessed by approx 5mm into the boss. I had to turn a little off the outer diameter of the spline housing. I cut countersinks into the QR hub too, although this is for cosmetic reasons as normal screws wouldn't foul the QR hub anyway, or the hub security lock. Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge The whole thing is approx 13mm thick. A drastic improvement on the parts I started with! |
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11th Jan 2016 9:59pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2244 
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That's very nicely done Mike
Nice to see people doing their own work. Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey |
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11th Jan 2016 11:14pm |
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| Mike_B Member Since: 23 Jan 2011 Location: Moray Posts: 550
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Thanks Mo,
If there was a decent market, I'd think about machining more, but for the hassle, it's not worth it. I'm sure one of the big tuning companies will knock off the NRG boss and have it made with an LR compatible boss soon anyway! I'm pleased with it and it's one more layer for a thief to get through before they can steal my defender. |
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11th Jan 2016 11:23pm |
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| nitram17 Member Since: 08 Jun 2014 Location: newcastle Posts: 2261 |
Iwould worry about the insurance on that diy mod mod .....and you can buy of the shelf bosses that are slimmer! |
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12th Jan 2016 3:30am |
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| Mike_B Member Since: 23 Jan 2011 Location: Moray Posts: 550
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Where can you get a slimmer off the shelf version?
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12th Jan 2016 8:21pm |
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| SailingTom Member Since: 19 Nov 2013 Location: ESSEX Posts: 1722
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Lovely job Mike, thats what I started doing before I sold the defender.
No need to worry with the insurance either as that wont be going anywhere once fitted. I know the slimmer ones your talking about from china and there  compared to the NRG one.
Great work |
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12th Jan 2016 9:16pm |
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| Mike_B Member Since: 23 Jan 2011 Location: Moray Posts: 550
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Cheers for the idea and the advice when doing my one Tom.
Still keen to see a thinner boss anywhere else, compatible with this QR hub... |
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12th Jan 2016 9:27pm |
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| SailingTom Member Since: 19 Nov 2013 Location: ESSEX Posts: 1722
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No worries mate
im guessing its the quick release being referred to rather than the boss, as you wont get thinner than that unless you weld the notched part rather than still bolting it. although think yours is the most practical. |
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12th Jan 2016 10:02pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17445 
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Nice work! Something similar is on my "to do" list.
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12th Jan 2016 10:32pm |
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| pj2106 Member Since: 20 Dec 2012 Location: Huntingdon AKA The Shire Posts: 1500 
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Looks great
I'd just be very worried if your insurance would still cover you if you had an accident? Would be worth checking with them?? 2008 110 2.4 XS Utility (Hagrid) 2002 90 TD5 Hardtop (Sully) Sold 1998 300TDi D1 (Billy) Sold |
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12th Jan 2016 10:51pm |
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| Mike_B Member Since: 23 Jan 2011 Location: Moray Posts: 550
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It's no different from the people who fit non type-approved steering wheel bosses and hubs to their vehicles. I dont think the bolt on bitsones are certified either.
If I crashed and the cause was the steering wheel, It'd be an issue. I dont think that's very likely purely based on the fact that I've shortened the boss. I have the facilities to have the material metalurgically tested for metal composition, have the design tested for strength and computer modelled for failure point, and have all components non-destructively tested for integrity. I dont intent to do any of it however! |
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12th Jan 2016 11:17pm |
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| nitram17 Member Since: 08 Jun 2014 Location: newcastle Posts: 2261 |
Boss try here http://optimillraceproducts.com/product_in...ucts_id=40 or Twisted site..the twisted one is as thin as you can get it without having it as part of the steering wheel! Quick release try : http://www.fcx.co.uk/#!product/prd1/407253...ck-release look here for some pics! http://www.defender2.net/forum/topic34822.html The problem with the above combo is that the lip on the bosss needs filing of but thats simpleand does not effect function. I think the quick release is better than the one you used as as it wears the fit is compensated for unlike the ball bearings! and it is tuv approved! I think you need to tell your insurer that you have a quick release in situ but each to their own I suppose!After a year of use I am very happy with the system in place on my truck and there is no play in the system..... but I would be as happy as a dog with two dicks if I had manufactured it myself so respect! |
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13th Jan 2016 6:40pm |
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