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Easy hood - two simple but effective improvements #577055
18/05/19 10:06 PM
18/05/19 10:06 PM
Joined: Apr 2010
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peterd Offline OP
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Probably the most weak point of the easy hood is the rear contact to the side window frame. The round reinforcement must remain flexible for folding the hood. Hence, it does not seal sufficiently and also causes aerodynamic noise (see photos).





A piece of plastic edge protection (or similar) imposed provides the necessary stiffness.









However, for folding the hood, the plastics must be removed.

Another point are the "donkey's ears" at the front (see photo) - unaesthetic, causing noise and probably also letting more rain inside than necessary.



Two bonded strong neodyme magnets keep the hood edges in their place. Opening the door, they easy "slide" by side. However, after entering the car, the magnets must be joined manually.






Peter

Re: Easy hood - two simple but effective improvements [Re: peterd] #577075
19/05/19 05:34 AM
19/05/19 05:34 AM
Joined: Dec 2018
Posts: 539
North of Stamford, UK
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HeadlessBlue Offline
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North of Stamford, UK
V clever stuff Peter D
HB

Re: Easy hood - two simple but effective improvements [Re: peterd] #577079
19/05/19 06:19 AM
19/05/19 06:19 AM
Joined: Apr 2012
Posts: 4,524
Surrey. UK
Neilda Offline
Part of the Furniture
Neilda  Offline
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Surrey. UK
Looks very neat....

Up to what speeds do the magnets hold? I'm only asking for +8 owners.

smile


+8 4.8
Re: Easy hood - two simple but effective improvements [Re: peterd] #577100
19/05/19 08:45 AM
19/05/19 08:45 AM
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Very clever indeed. What strength neo magnets did you use, I’d like follow your lead

Re: Easy hood - two simple but effective improvements [Re: peterd] #577103
19/05/19 09:34 AM
19/05/19 09:34 AM
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peterd Offline OP
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So far, the magnets hold at approx 110kmh. It also depends on wind conditions. I chose these magnet size also considering the aesthetics, as I didn't want to have there to big magnets. Might be, they will not hold at very high speeds. I am still experimenting, didn't try higher speeds. On the other hand, when raining, I seldom drive at high speeds.
The quadratic magnet is 5x5x5mm and holds around 1,5kg. The round one has a diameter of 10mm and holds also around 1,5kg. The bond I used is a 2K Bison Power Polyurethane Bond, as it is more elastic. Probably any epoxy bond will do.

If You are following with the plastic "stiffeners" described above, avoid any sharp edges, not to hurt the synthetic leather when imposing it. A bit silicone smear will facilitate it. Round both ends and inner edges.

Last edited by peterd; 19/05/19 09:55 AM.
Re: Easy hood - two simple but effective improvements [Re: peterd] #577104
19/05/19 09:58 AM
19/05/19 09:58 AM
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Top man
Thanks

Re: Easy hood - two simple but effective improvements [Re: peterd] #577147
19/05/19 05:19 PM
19/05/19 05:19 PM
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peterd Offline OP
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Just tried higher speeds - the magnets are to weak for speeds higher than 110kmh. In some places there was a strong wind, they then did not keep even around 100kmh. So, the magnets should be stronger. However, they will be larger.

Re: Easy hood - two simple but effective improvements [Re: peterd] #577171
19/05/19 07:55 PM
19/05/19 07:55 PM
Joined: May 2014
Posts: 3,544
Essex
Burgundymog Offline
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Essex
Originally Posted By peterd
Just tried higher speeds - the magnets are to weak for speeds higher than 110kmh. In some places there was a strong wind, they then did not keep even around 100kmh. So, the magnets should be stronger. However, they will be larger.


Try driving with the hood down you won't need any magnets rofl


Keith
2013 narrow bodied + 4 Ruby. Wolf performance Re-map suspension mods and K&N cone filter.
Re: Easy hood - two simple but effective improvements [Re: peterd] #577174
19/05/19 08:18 PM
19/05/19 08:18 PM
Joined: Nov 2011
Posts: 2,781
Australia - NSW Mid North Coas...
OZ 4/4 Offline
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Australia - NSW Mid North Coas...
Nice work Peter....


A Morgan Identified Fastidious Owner...
2011 4/4 Bespoke, 1981 Delorean, 1936 Auburn Boat Tail
Re: Easy hood - two simple but effective improvements [Re: peterd] #577183
19/05/19 09:21 PM
19/05/19 09:21 PM
Joined: Dec 2009
Posts: 20,733
Devonshire
+8Rich Offline
Member of the Inner Circle
+8Rich  Offline
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Posts: 20,733
Devonshire
Great work well done that man thumbs


Regards Richard

1999 Indigo Blue +8
2009 4/4 Sport Green
1994 Connaught Green +8





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