Heat Extractor For 2011+

[CCS86]

Some finishing toolpath goodness... damn it's gonna look good!

 

[bmaxwell]

What's the deal with that super bad ass extremely detailed picture of the bolts haha

 

[keoni1984]

Man, I can't wait to see this when you're done!

 

[CCS86]

What's the deal with that super bad ass extremely detailed picture of the bolts haha

Hahaha, I can't help myself! Had the bolts in front of me and the camera sitting right there.

The stubby black oxide bolts will be used to get the most clean machining strategy. First, holes for the bolt pattern will be drilled through the stock, and down into a sacrificial piece of aluminum. Clearance holes for the bolts are then drilled just through the stock. The sacrificial piece gets tapped for the M4 bolts, then the stock gets countersunk. The stock gets bolted down with these 16 M4 bolts and the original clamps are removed. Finally, it's time to make some chips! 2D stepdown contour paths will cut the inner and outer edges of the flange, and the extra stock gets removed. A roughing toolpath clears some extra material from the flange profile, then the 0.5" ball endmill comes in for that finishing cut.

 

[CCS86]

I'm a little worried about getting the flange to seat perfectly on the hood. I just verified that besides the abrupt crease down the center, there is also a fair amount of curvature on either side (an easy 0.25" drop across a 12" span). Trying to model that surface and integrate it into the as machined part would be next to impossible.

My best guess right now is to make a number of relief cuts in the underside of the flange that run lengthwise ( in relation to the car ), then bolt the flange down and hope those cuts allow it to flex easily enough to conform to the hood, without the hood conforming to it. At that point I can fabricate the "bucket" portion of the vent and find a way to tack weld it to the flange while its bolted to the hood. This will lock the flange's contour in and allow me to remove the whole vent and finish welding it.

 

[ArizonaGT]

I'm surprised you're making it out of metal instead of plastic or FG

 

[CCS86]

Surprise! Hahaha

Aluminum is going to give me more freedom to do just what I want. It's also going to look pretty trick. Good addition to the portfolio since I'll be on the job market next spring.

 

[CCS86]

 

[Department Of Boost]

Nice

 

[ArizonaGT]

Nice. Is that a 3D Model or an actual piece part?

 

[CCS86]

I guess I did an okay job! haha

It's still a model. I was working on dialing in the geometry of the bucket portion, so I can make it from a a single bent piece and weld it to the flange.

 

[JohnnyGMachine]

I'd have just bought the Siebon hood. It looks really nice. Even the Steeda looks good.
I'm not a fan of the stick on (or even screw on) parts on a hood. I like stuff to look and fit like factory OEM. But to each his own. Sometimes it's fun just makin it yourself and at the end of the day you're the only critic you need to appeal to when it comes to your own car.

Just my 2 cents.

 

[Full_Tilt]

^ I disagree completely

I think those hoods look like over-styled ricer bullshit with some hint at improved functionality.
This looks like a legitimate race part.

Keep up the good work. Id really like to buy one of these from you if it ever comes to that.

 

[CCS86]

I'd have just bought the Siebon hood. It looks really nice. Even the Steeda looks good.
I'm not a fan of the stick on (or even screw on) parts on a hood. I like stuff to look and fit like factory OEM. But to each his own. Sometimes it's fun just makin it yourself and at the end of the day you're the only critic you need to appeal to when it comes to your own car.

Just my 2 cents.

You would rather pay $650 for a hood that looks exactly like a stock hood with a hole cut in it, or buy a carbon fiber race hood for $1200 that lacks fit and features, to put on your daily driver? In my opinion, the way this flange transitions smoothly into the hood surface (not to mention, functionally improving extraction) looks far better than a hole with some wire lath butted up from underneath.

To each his own.

 

[ArizonaGT]

Feel my heat extraction all over you

 

[CCS86]

Feel my heat extraction all over you

Mwahahaha

Your ride looks badass my friend!

 

[Full_Tilt]

Is that the 302R hood?

 

[ArizonaGT]

Is that the 302R hood?

302S, same as for SCCA World Challenge

The "R" uses the stock hood.

 

[Department Of Boost]

302S, same as for SCCA World Challenge

The "R" uses the stock hood.

Also known as the Tiger Racing hood.

 

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Any progress?