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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Heater box refurbishment kit!
Hi all I know I haven’t posted much on here and I only venture on here if I have a problem with my 90.

So something occurred to me the other day that up until the puma defender all defenders use the same heater blower box which is a non serviceable part. A smidge annoying but at £500+ for a new unit it is expensive. So it struck me as to why people don’t just refurb their own more. I mean taking apart a riveted together box is easy enough and drilling out a couple of spot welds which can be filled/patched up after isn’t that hard.
The area I feel people can unstuck are the bloody flap arms connected to the cables. They are held in place by a purpose made pressed part that breaks when you take it off!!

This got me thinking and more importantly designing! I have come up with an idea that allows you to replace the arm and take it on and off any time you want to crack your blower box open. The design also keeps the strain point on the same axis. I thought for longevity 316 Stainless was the material to choose for the piece, including nuts bolts and washers. I am looking at having 50 sets produced and laser cut and folded but just wanted to know when I had this done if anyone was interested in a pair?

I have attached a couple images of the prototype versions for your guys reference. Also any feedback is welcome just pm me or reply to this thread 😊


Click image to enlarge


Click image to enlarge


Click image to enlarge
Post #1010958 12th Oct 2023 9:51am
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Just to add to this I was also looking into producing pre-cut foam sheets for the heater flaps themselves and even potentially some reflective foil for the inside of the box on the other side of the matrix to make it that little bit more efficient.
Post #1010976 12th Oct 2023 12:01pm
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Shroppy



Member Since: 25 Feb 2016
Location: Shropshire
Posts: 848

United Kingdom 1986 Defender 130 V8 Petrol HCPU Aintree Green
I'd certainly be interested in a pair, any idea on price? One of the projects on my list to try and graft an AC matrix into a heater box at some point... 1985 127 V8 Build Thread
Series 2 109"
Series 1 80"
Post #1010977 12th Oct 2023 12:05pm
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
I haven’t got a price yet for them as I need to crunch a few figures first and make sure there are people wanting them. Obviously the more popular they are the cheaper it’ll be so I can order more quantities. I think at this stage for the arms (they are two sizes) nuts, bolts and Washers I think it’d be around the £15 mark plus postage. It may seem quite dear but it does mean you can get in your heater box in future and also adjust it, plus it’s the cost of material I could see about producing them in mild steel but would rot and aluminium wouldn’t be strong enough for the task.

I will hopefully at some point be putting a build/refurb instruction together, but I know most defender owners it’ll be telling you how to suck eggs 😊
Post #1010978 12th Oct 2023 12:11pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2078

United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
They look good, I'd certainly be interested.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #1011000 12th Oct 2023 4:41pm
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
If I can get around 20 people in on this I’ll have them produced. And for the first 20 I’d do it at a discounted rate. I think it’s coming out at around £15 ish at the moment but would do first 20 at lucky £13+ p&p.

If people are interested just pm me or register interest here. Turn around time from order will be around 2-3weeks.
Post #1011003 12th Oct 2023 4:51pm
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Zed



Member Since: 07 Oct 2017
Location: In the woods
Posts: 3014

United Kingdom 2010 Defender 110 Puma 2.4 XS CSW Santorini Black
Great idea, I’m in. WARNING.
This post may contain sarcasm.
Post #1011008 12th Oct 2023 5:11pm
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Well so far it’s 3 people with one set each.

All I’d say is tell one and all and if you need more than one set because you have a fleet put your name in the hat. If these prove popular and people like them I’d order more but if there are only a few people it may only be a one time thing. Also went back to the laser cutters and I would only have to have 15 people at £13 to make up the order. So literally only needing 10 more people interested 😊
Post #1011015 12th Oct 2023 6:44pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2028

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Count me in Thumbs Up
Post #1011045 12th Oct 2023 9:33pm
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Good man, just 11 more people and I’ll stick the order on.
Post #1011047 12th Oct 2023 9:36pm
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1NRO



Member Since: 22 Feb 2015
Location: cumbria
Posts: 69

United Kingdom 
I’ll go with a set please.
Post #1011048 12th Oct 2023 9:58pm
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
10 more for the win on the cheaper price and for me to order up. 😊
Post #1011050 12th Oct 2023 10:05pm
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derbywill



Member Since: 25 Mar 2010
Location: Derbyshire
Posts: 539

England 2005 Defender 90 Td5 XS CSW Java Black
I’d be up for a couple of sets.

Cheers

Will 2005 90 XS
1954 86'' Series 1 tilt
Post #1011055 12th Oct 2023 10:35pm
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 74

United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Sure thing. Right 8 more sets need to be allocated then I’ll pop an order on y’all.
Post #1011056 12th Oct 2023 10:49pm
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Shroppy



Member Since: 25 Feb 2016
Location: Shropshire
Posts: 848

United Kingdom 1986 Defender 130 V8 Petrol HCPU Aintree Green
Might be worth popping this in a for sale thread at this point? 1985 127 V8 Build Thread
Series 2 109"
Series 1 80"
Post #1011077 13th Oct 2023 9:04am
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