Originally Posted by cordycord
(Post 974662)
It dawned on me that it would be fairly easy to turn my flat bottom drawings I have now into a flat bottom kit for Miatas; the wheelbase is the same, the width can be adjusted easily to the pinch seam, we're mounting the Catfish diffuser to a Miata now (90-05), and it wouldn't be difficult to change the front splitter shape to the Miata outline.
Would a pre-made flat bottom kit be interesting at all, or is this a purely DIY crowd? I was looking at making some carbon fiber parts with my roommate who semi knows that stuff. (I've personally only made a few fiberglass sub boxes my self and repaired fiberglass) |
nevermind
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Originally Posted by ThePass
(Post 974670)
nevermind
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cheap as shit, and carbon fiber...
Originally Posted by 98mystique2
(Post 974665)
I would love to have a carbon fibrč flat bottom. That said I have no way of paying for one. So while I would love it if you made it I wouldn't buy one for awhile... unless say bit was under 200 bucks then I'd buy a few for me and the cars I'd potentially buy in the future...
I was looking at making some carbon fiber parts with my roommate who semi knows that stuff. (I've personally only made a few fiberglass sub boxes my self and repaired fiberglass) It would be easy to make a carbon or fiberglass flat bottom...by using an aluminum flat bottom as a template. However, it would be susceptible to engine heat. I'd try the first one in fiberglass. And probably the second, and third... |
Originally Posted by cordycord
(Post 974686)
So one guy wants his diffuser "cheap as shit", and the other guy wants it made from carbon fiber, which given that it's going on (I assume) a street legal car is the definition of wasting money. Hmmm.
It would be easy to make a carbon or fiberglass flat bottom...by using an aluminum flat bottom as a template. However, it would be susceptible to engine heat. I'd try the first one in fiberglass. And probably the second, and third... |
Originally Posted by 98mystique2
(Post 974697)
I'm going to be learning to drive/doing track days this summer. Should get better mpgs though as a street car. If you've got access to carbon fiber and resin why not just use it idk the price of aluminium but I'd assume its comparable
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Originally Posted by 98mystique2
(Post 974697)
I'm going to be learning to drive/doing track days this summer. Should get better mpgs though as a street car. If you've got access to carbon fiber and resin why not just use it idk the price of aluminium but I'd assume its comparable
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If you were to make it, aluminum is your best bet. It's relatively cheap, and if you dent it, you can possibly knock it straight with some persuasion. You hit something with a cf or fiberglass piece, it'll more than likely crack, and it's not as easy to fix.
As far as weight is concerned, it is on the bottom of the car. The very bottom. And the weight will be dispersed amongst the 4 corners. It's really not a big deal. The aerodynamic advantage will more than likely outweigh the weight penalty. Especially on cars that are primarily driven on the street. Cordycord, what would be your method for mounting your under-tray? I'm curious. |
Originally Posted by vintagerust
(Post 974716)
If you were to make it, aluminum is your best bet. It's relatively cheap, and if you dent it, you can possibly knock it straight with some persuasion. You hit something with a cf or fiberglass piece, it'll more than likely crack, and it's not as easy to fix.
As far as weight is concerned, it is on the bottom of the car. The very bottom. And the weight will be dispersed amongst the 4 corners. It's really not a big deal. The aerodynamic advantage will more than likely outweigh the weight penalty. Especially on cars that are primarily driven on the street. Cordycord, what would be your method for mounting your under-tray? I'm curious. The Catfish has it's outer panels mounted by pop rivet to the tubes, and the center tunnel mounted via inset quarter turn fasteners. The floors have laser-cut holes that line up perfectly with the tubes. All that's needed is to place the floor, drill the holes, set the rivets in place and then "pop". The floor goes on in less than 20 minutes. I've worked out the fitment for the Catfish, but that translates to about 75% of the solution for a Miata. Still, I think it would be neat to be able to buy a pre-cut floor kit--complete with laser cut pop rivet holes that you could put on your car in less than an hour. Easy PZ, but no way "cheap as shit". |
Mine isn't that simple to jack up, but when I get back from Florida for 2 months I am going to solve that problem by drilling holes for jack pad inserts under the car. Then also I will be working on a undertray that is separate piece than the splitter.
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I am interested in knowing more about a potential flat underbody kit. Not everybody here is a broke-ass college student, but I feel pretty confident in saying that almost everybody here is interested in using their budgeted funds effectively, whatever that budget may be.
Etc. Answers to these questions determine whether the market is dedicated track-only cars or can be expanded to include dual purpose cars. |
Stop making so much sense Mobius... :fawk:
In for pics and pricing... |
There's your basic flat underbody kit
6 Attachment(s)
Here it is:
splitter/front left/center/right main body rear diffuser assorted mounting hardware Jack points don't need to be difficult, just thought out. Long story short, sandwich material under and over the underbody so it doesn't buckle, and so the jack doesn't walk. Without going into too much detail, easy peazy. I took dimensions last week, and could probably have something ready to laser cut as early as next week, if I weren't so damn busy putting the Catfish together, I could have the diffuser and main underbody done next week. Heat management, mounting points and diffuser outline are all that are needed. |
Sell the sections individually, more people would probably be interested in the front piece.
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Hey "cordycord" is your undertray just to fit under the engine or is it also a splitter also. The resin I'm asking is because, I'm going to finish my underbody when I get back and I'm going to have the front section in 3 pieces. The front undertray, a 3" airdam and the splitter. What thickness are you running on the undertray, because I was thinking of using Alumalite for it.
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Originally Posted by cordycord
(Post 974761)
Here it is:
Jack points don't need to be difficult, just thought out. Long story short, sandwich material under and over the underbody so it doesn't buckle, and so the jack doesn't walk. Without going into too much detail, easy peazy. Spinning my car on a rotisserie to install & remove my underbody is not currently within the scope of Ms Mobius-approved budget levels :) |
I don't think anything developed for the catfish is going to transfer over to a miata with anything less than pretty much a total redesign.
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Originally Posted by Mobius
(Post 974905)
Right ... there has to be somewhere to jack the car, and then also somewhere to put the car onto either jackstands or to put the lift supports (for those so fortunate) that do not involve the underbody so that it may be installed/removed.
Spinning my car on a rotisserie to install & remove my underbody is not currently within the scope of Ms Mobius-approved budget levels :) |
Originally Posted by 98mystique2
(Post 974930)
Wrc style jack points. Another retarded thing I always wanted to do
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not air piston jacks. WRC cars have reinforced cylindrical holes in the sides and their jacks have pins that insert into them.
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