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John King Smith
2025-09-07 02:21
Nope!
Mick Percy
2024-10-28 09:08
Kingshill Thanks for the explanation. I'll definitely give it a go. Will let you know how I get on.
John King Smith
2024-10-28 09:08
Mick Thanks for the nice words. The aluminium is only 1mm thick so doesn’t need a great deal of force to bend. Your press would be more than adequate. We discovered that we don’t need the louvres to be especially deep to look ok. If anything, the most effort is used at the end of the travel when the blocks each side of the punch seat on the die to clean up the edge of the bends and the punch seats in the bottom of the die. We have just made a second punch and die set as we will be adding louvres to the rear bodywork to help cool the motor. Once you have built and tested your setup, making the louvres themselves is quite a fast process. Happy to provide more detail on the set up if it helps you.
Mick Percy
2024-10-28 09:08
That looks fantastic. Thanks for sharing. This is something that I need to do on my car. The Bentley seems to be more louvres than bonnet lol.
How much force do you think it took? I have a small 1 ton arbour press here, wondering if it would be big enough
John King Smith
2024-10-28 04:11
We found it useful to narrow the outside of the springs as we could fine tune the spring rate somewhat by cutting off a bit more until they seemed about right. That’s why the narrowing isn’t symmetrical.
Mick Percy
2024-10-28 04:11
Narrowing the springs looks like a great idea I'm guessing easier than cutting them down the middle too.
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