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Freddie



Member Since: 21 May 2014
Location: Cape Town
Posts: 46

South Africa 2004 Defender 110 Td5 USW Bonatti Grey
Exmoor Trim 5 Door Soft Top Conversion Kit Noise Issue
Hi Guys,

I've just converted a 2012 Land Rover Defender Puma 2.2 110 from a 5-door station wagon to a soft-top using the kit from Exmoor trim. The fit and finish of the kit is impeccable. However, anything above 50mph and the canvas flaps like crazy! I understand it's a Land Rover, and a canvas tilt is expected to flap, but it's so obnoxious that a conversation within the cab is impossible. I've tensioned the canvas to within an inch of its life, making little difference. Not something one would expect from a £4,500 kit.

Here's a quick video at 70kph (40mph) for reference:

https://youtube.com/shorts/aiJt01hRw8M

(believe it or not, the radio is playing in the background)

I was wondering whether anyone else has had this issue with their kits and whether anyone has any suggestions to reduce the flapping?

Much appreciated!
Freddie
Post #1022121 22nd Jan 2024 7:04am
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I Like Old Skool



Member Since: 23 Feb 2015
Location: Manchester
Posts: 814

United Kingdom 1994 Defender 110 300 Tdi ST Coniston Green
As a fellow canvas user I don't see/hear anything wrong there. I think you just need to adjust your expectations, you are now driving an old fashioned frame tent at motorway speeds.....

Click image to enlarge
Post #1022129 22nd Jan 2024 8:52am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Quote:
you are now driving an old fashioned frame tent at motorway speeds.....


Rolling with laughter Rolling with laughter Rolling with laughter Rolling with laughter

Please tell me you have a trangia stove and some pot noodles in the back of that tent Mr. Green
Post #1022146 22nd Jan 2024 11:02am
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Freddie



Member Since: 21 May 2014
Location: Cape Town
Posts: 46

South Africa 2004 Defender 110 Td5 USW Bonatti Grey
I Like Old Skool wrote:
As a fellow canvas user I don't see/hear anything wrong there. I think you just need to adjust your expectations, you are now driving an old fashioned frame tent at motorway speeds.....

Click image to enlarge


I completely get it. I've never expected it to be S-Class quiet, but there must be something that one can do to make it a little less 'tent at motorway speeds' and more in line with a soft-top Wrangler..
Post #1022152 22nd Jan 2024 11:29am
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Chicken Drumstick



Member Since: 17 Aug 2020
Location: Near MK
Posts: 752

United Kingdom 
Re: Exmoor Trim 5 Door Soft Top Conversion Kit Noise Issue
Freddie wrote:
Hi Guys,

I've just converted a 2012 Land Rover Defender Puma 2.2 110 from a 5-door station wagon to a soft-top using the kit from Exmoor trim. The fit and finish of the kit is impeccable. However, anything above 50mph and the canvas flaps like crazy! I understand it's a Land Rover, and a canvas tilt is expected to flap, but it's so obnoxious that a conversation within the cab is impossible. I've tensioned the canvas to within an inch of its life, making little difference. Not something one would expect from a £4,500 kit.

Here's a quick video at 70kph (40mph) for reference:

https://youtube.com/shorts/aiJt01hRw8M

(believe it or not, the radio is playing in the background)

I was wondering whether anyone else has had this issue with their kits and whether anyone has any suggestions to reduce the flapping?

Much appreciated!
Freddie

My brother has full tile 90 using the Exmoortrim HD frame and my uncle a 2012 90 also converted to a full tilt. Both are perfectly pleasant at speed and hardly any different to a hard top in terms of noise levels.


Have you got all the frame bits mounted correctly? There are a few ways you can mount the stays, which can impact where they sit. Might want to try putting some foam pipe lagging on the hoop or bars to see if it tensions it better. (note the grey on the upright behind the door.



Click image to enlarge
Post #1022153 22nd Jan 2024 11:48am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
The other thing to consider doing is a full wetting of the tilt. Tension the wet tilt, it will shrink a bit as it dries, increasing the taught-ness.
Post #1022154 22nd Jan 2024 11:55am
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Barneyboy



Member Since: 19 Nov 2014
Location: Exmoor
Posts: 1626

England 1986 Defender 90 2.5 n/a Diesel ST Nato Green
Exactly what I was going to say, it needs a good soaking and it’ll dry nice and taught if fitted correctly Thumbs Up I’ve had a full tilt on 3 previous land rovers and didn’t notice any issues with it being overly noisy Thumbs Up cheers Paul
Post #1022195 22nd Jan 2024 5:01pm
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Lodelaner



Member Since: 04 Feb 2010
Location: Lambourn
Posts: 632

United Kingdom 1988 Defender 90 V8 Petrol ST Shire Blue
I'd imagine that the effects with a 110 canvas are exacerbated. However I've had a couple of new hoods, one was from Exmoor. Three things I've learnt:

    A new or poorly fitting canvas flaps.
    A well fitting canvas can slap the frame - made worse by the faster you go.
    An overtightened canvas across the cab can reverberate like a drum and boom.


To reduce flap season the canvas - the fibres need to swell and knit which gives the hood more shape and shape. A weathered canvas won't leak as well. Park it outside with not too much tension.

Slap can be reduced with roll-hoop foam padding - not the hard FIA stuff - but this https://www.merlinmotorsport.co.uk/p/roll-...rcp?pn=RCP The angled supports on the military cage are noisy culprits and the foam makes a massive difference. Foam also helps you tension the hood.

To reduce drumming ease off the canvas using the two screen to hoop straps above you. But only do this
once the hood has been seasoned.

Once fettled my hood is really good, I've been up to the Yorkshire Dales and the Lakes in the 90 in the past couple of years and cruised more than comfortably at motorway speeds whilst holding a sensible non-shouty conversation! JB

@Lodelaner Instagram

Youtube greenlaning and other LR related content
Post #1022210 22nd Jan 2024 5:51pm
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ScarboroughSeadog



Member Since: 21 Jul 2022
Location: Scarborough
Posts: 110

United Kingdom 2013 Defender 110 Puma 2.2 DCPU Keswick Green
I only have experience with a soft top 88- but that doesn't look correctly fitted to me. It shouldn't flap about like that.
Post #1022381 24th Jan 2024 1:06pm
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Linds Hanson



Member Since: 16 Jan 2021
Location: Cornwall
Posts: 486

United Kingdom 
I see you've gone the full masochist spec with flappy series doors too!
Post #1022411 24th Jan 2024 6:36pm
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Freddie



Member Since: 21 May 2014
Location: Cape Town
Posts: 46

South Africa 2004 Defender 110 Td5 USW Bonatti Grey
Many thanks for the replies and your suggestions! It has been a sweltering summer in South Africa, so the tilt hasn't seen any rain yet. I'll give it a serious drenching to see if that tightens it up, then loosen off the overhead straps across the cab to hopefully remove the drumming. I will report back.
Post #1022516 26th Jan 2024 6:04am
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Freddie



Member Since: 21 May 2014
Location: Cape Town
Posts: 46

South Africa 2004 Defender 110 Td5 USW Bonatti Grey
Linds Hanson wrote:
I see you've gone the full masochist spec with flappy series doors too!


Laughing I have.. Nothing beats a Landy with the door tops off..
Post #1022517 26th Jan 2024 6:05am
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Freddie



Member Since: 21 May 2014
Location: Cape Town
Posts: 46

South Africa 2004 Defender 110 Td5 USW Bonatti Grey
Lodelaner wrote:
I'd imagine that the effects with a 110 canvas are exacerbated. However I've had a couple of new hoods, one was from Exmoor. Three things I've learnt:

    A new or poorly fitting canvas flaps.
    A well fitting canvas can slap the frame - made worse by the faster you go.
    An overtightened canvas across the cab can reverberate like a drum and boom.


To reduce flap season the canvas - the fibres need to swell and knit which gives the hood more shape and shape. A weathered canvas won't leak as well. Park it outside with not too much tension.

Slap can be reduced with roll-hoop foam padding - not the hard FIA stuff - but this https://www.merlinmotorsport.co.uk/p/roll-...rcp?pn=RCP The angled supports on the military cage are noisy culprits and the foam makes a massive difference. Foam also helps you tension the hood.

To reduce drumming ease off the canvas using the two screen to hoop straps above you. But only do this
once the hood has been seasoned.

Once fettled my hood is really good, I've been up to the Yorkshire Dales and the Lakes in the 90 in the past couple of years and cruised more than comfortably at motorway speeds whilst holding a sensible non-shouty conversation!


Thank you for this! Bow down
I have placed an order for the padding that you have suggested and I will season the canvas per your recommendations.
Post #1022520 26th Jan 2024 7:42am
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