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Mike_B



Member Since: 23 Jan 2011
Location: Moray
Posts: 550

United Kingdom 2006 Defender 110 Td5 USW Java Black
Super-Slim quick release steering boss
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


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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.



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The whole thing is approx 13mm thick. A drastic improvement on the parts I started with!
Post #491247 11th Jan 2016 9:59pm
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Mike_B



Member Since: 23 Jan 2011
Location: Moray
Posts: 550

United Kingdom 2006 Defender 110 Td5 USW Java Black
Here's the steering wheel and QR hub fitted to the boss


Click image to enlarge




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Click image to enlarge
Post #491251 11th Jan 2016 10:09pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2244

United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
That's very nicely done Mike Thumbs Up
Nice to see people doing their own work.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #491277 11th Jan 2016 11:14pm
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Mike_B



Member Since: 23 Jan 2011
Location: Moray
Posts: 550

United Kingdom 2006 Defender 110 Td5 USW Java Black
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.
Post #491280 11th Jan 2016 11:23pm
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nitram17



Member Since: 08 Jun 2014
Location: newcastle
Posts: 2261

Mike_B wrote:
Here's the steering wheel and QR hub fitted to the boss


Click image to enlarge




Click image to enlarge




Click image to enlarge


Iwould worry about the insurance on that diy mod mod .....and you can buy of the shelf bosses that are slimmer!
Post #491306 12th Jan 2016 3:30am
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Mike_B



Member Since: 23 Jan 2011
Location: Moray
Posts: 550

United Kingdom 2006 Defender 110 Td5 USW Java Black
Where can you get a slimmer off the shelf version?
Post #491541 12th Jan 2016 8:21pm
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SailingTom



Member Since: 19 Nov 2013
Location: ESSEX
Posts: 1722

United Kingdom 
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 Censored compared to the NRG one.
Great work Thumbs Up
Post #491574 12th Jan 2016 9:16pm
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Mike_B



Member Since: 23 Jan 2011
Location: Moray
Posts: 550

United Kingdom 2006 Defender 110 Td5 USW Java Black
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...
Post #491589 12th Jan 2016 9:27pm
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SailingTom



Member Since: 19 Nov 2013
Location: ESSEX
Posts: 1722

United Kingdom 
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.
Thumbs Up
Post #491617 12th Jan 2016 10:02pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17448

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Nice work! Something similar is on my "to do" list.
Post #491643 12th Jan 2016 10:32pm
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pj2106



Member Since: 20 Dec 2012
Location: Huntingdon AKA The Shire
Posts: 1500

United Kingdom 2008 Defender 110 Puma 2.4 USW Stornoway Grey
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
Post #491656 12th Jan 2016 10:51pm
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Mike_B



Member Since: 23 Jan 2011
Location: Moray
Posts: 550

United Kingdom 2006 Defender 110 Td5 USW Java Black
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!
Post #491663 12th Jan 2016 11:17pm
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nitram17



Member Since: 08 Jun 2014
Location: newcastle
Posts: 2261

Mike_B wrote:
Where can you get a slimmer off the shelf version?


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!
Post #491905 13th Jan 2016 6:40pm
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