By ab90 - 10/16/2019 1:54:45 PM
Hi all,
Newbie from the UK here.
I have been thinking for a while about making some parts for my car, and how to go about it. I have watched some tutorials on Youtube etc and thought it was about time I gave it a go, so I thought I would sign up here to get some advice from the experts. I hope you can help.
I have a 1980's Porsche 911 with a targa roof. I don't use the targa roof, so I was trying to think of possible ways to create a sort of hard top shell from carbon fibre or similar to go over the soft part of the roof. I've included a picture of an example of the roof how it is now.
Could anyone recommend a way that I could replicate the shape of this roof to try and make this? Or am I being ridiculous?! My initial thoughts were to maybe lay some sort of plastic sheet over it and fibreglass onto that to give me something to build off to create a pattern and then to make a mould from.
My day job is designing injection moulds for turbine blades and other complex things, so I can visualise how I could make a mould for this, and potentially if I can make a good enough pattern I will scan it and get one of the chaps at work to CNC the mould into modelboard, but I am just struggling to figure out how I could make the pattern.
Any help would be greatly appreciated, or if I am stupid for even considering this please feel free to tell me that as well!
Cheers.
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By ab90 - 2/17/2020 10:18:16 PM
Thanks for the detailed reply and the tips. You’ve given me lots to think about!
Regarding the surface finish, the plan was to only flat it enough as so it can be clear coated, or even painted or vinyl wrapped black to match the car.
The car has spent most of its life as a track car, but it is road legal. I’ve bought it as a project and I am making it more suited to doing both, so I imagine the weight that the skinning would add would be negligible compared to something like carpet, and it’s not a show car by any stretch, most of the panels are already fibreglass, so the finish doesn’t have to be perfect, and with this being my first attempt at trying this I’m not expecting it to be!
I’m fairly confident I could make a mould, but with it being my first attempt at any type of carbon fibre, I wanted to use some basics to get something that works that I could potentially make a mould from in the future.
It does have a full roll cage, so the supports I wanted to add weren’t to stiffen the roof, more to make the panel itself stiffer as currently it flexes quite a bit if you don’t hold both sides when you pick it up which makes it difficult to put on or take off.
I’ve looked on the shop, and do you think the large skinning kit would be enough for something of this size? Or should I buy separately?
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