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-   -   RX-Snake: Cage (http://www.motorgen.com/forum/showthread.php?t=1061)

Vettezuki 12-31-2008 02:13 PM

RX-Snake: Cage
 
Quote:

Originally Posted by big2bird (Post 12170)
Need and SHOULD are two different things. A cage would add strength also, especially if you gut the doors, lexan the windshield, yada yada. If you installed one first, it would keep everything square to the world before you take the sawz all to it. (IMHO):drink:

It's a good point. Wouldn't be that much more expensive and would increase the quality/value of the platform. Something to consider seriously. We know a VERY good cage builder, maybe we can get a good deal.

At what point should the cage be installed? Pretty early on right?


bird, I'm hoping you can help out all over as the mood strikes you, but maybe especially with some bad ass switchgear setup and bulletproof electrical system. :drink:

Leedom 12-31-2008 02:25 PM

I think that installing the cage once the interior is gutted would be good. Before we worry about the drive train and suspension install. The cage and suspension should be considered together to an extent.

Quote:

Originally Posted by joedls (Post 12168)
How about RX Snake?

I like the name! Other options would be RX-302 or Snakada.

big2bird 12-31-2008 02:40 PM

Quote:

Originally Posted by Vettezuki (Post 12175)
It's a good point. Wouldn't be that much more expensive and would increase the quality/value of the platform. Something to consider seriously. We know a VERY good cage builder, maybe we can get a good deal.

At what point should the cage be installed? Pretty early on right?
Yep. After you have a plan, but before any major changes. It will never be as straight as before you begin.

bird, I'm hoping you can help out all over as the mood strikes you, but maybe especially with some bad ass switchgear setup and bulletproof electrical system. :drink:

Not a problem. Been there/done that/more times than I care to remember.:drink:

94cobra69ss396 01-03-2009 05:17 PM

Quote:

Originally Posted by Vettezuki (Post 12197)
Any of you local fellers got a trailer? This car is going to have to make at least two separate trips on a trailer (pick up, cage). Or might you have a line on a decent cheap trailer. Otherwise we can just rent as needed.

Ben, I haven't read far enough to see if this was answered yet but I have a trailer. Also, if it hasn't been arranged yet I can build a cage for it. I have a couple buddies with tube benders. The only thing we would need is the tubing.

Vettezuki 01-03-2009 06:49 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 12421)
Ben, I haven't read far enough to see if this was answered yet but I have a trailer. Also, if it hasn't been arranged yet I can build a cage for it. I have a couple buddies with tube benders. The only thing we would need is the tubing.

How much tubing and it's yours :)

94cobra69ss396 01-03-2009 07:13 PM

Quote:

Originally Posted by Vettezuki (Post 12428)
How much tubing and it's yours :)

Let me talk to Throttle Crazy and see how many sticks it will take. You want a 6 point roll bar that is NHRA legal to 10.00 correct?

94cobra69ss396 01-03-2009 07:18 PM

I tried to look at the car from link but it has been pulled. Is it a Gen 1 or 2?

Vettezuki 01-03-2009 09:15 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 12429)
Let me talk to Throttle Crazy and see how many sticks it will take. You want a 6 point roll bar that is NHRA legal to 10.00 correct?

Yes. My primary concern is safety for the driver. I expect mid 11s out of the car. With a 6 point we'll also improve total torsional rigidity and make the car more capable for other than straight line performance. Let's comply with NHRA rules and get it certified.

Vettezuki 01-03-2009 09:15 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 12430)
I tried to look at the car from link but it has been pulled. Is it a Gen 1 or 2?

Uh, what link are you talking about. I'm just getting ready to post the first pics.

94cobra69ss396 01-04-2009 01:31 PM

I spoke to Throttle Crazy and he thinks we'll need 3 sticks to do the roll bar. We both want to get some sticks for other projects as well so we'll just pick them up. Once you guys have the car stripped let me know and I'll come pick it up to do it. We'll want to install the roll bar before you put it up on blocks.

enkeivette 01-04-2009 01:44 PM

http://www.jegs.com/webapp/wcs/store...m=rx7+roll+bar

94cobra69ss396 01-04-2009 01:56 PM

Quote:

Originally Posted by enkeivette (Post 12482)

None of those are complete kits. Summit carries a kit that includes everything but the main hoop but you have to cut it all to fit anyways. It's easier just to start with 20ft sticks and make your own. This is what I'm going to build.



This is the same that I have in my Chevelle.

enkeivette 01-04-2009 03:21 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 12484)
None of those are complete kits. Summit carries a kit that includes everything but the main hoop but you have to cut it all to fit anyways. It's easier just to start with 20ft sticks and make your own. This is what I'm going to build.



This is the same that I have in my Chevelle.

:beer: I'm excited to watch you build it.

big2bird 01-04-2009 05:51 PM

So, on a unibody, what do you anchor the cage to? Bulkhead the stress points?
I peeked at the car today. The boys were stripping away.(The car):D
Save the oil cooler, but a straight line car doesn't need one.
Keep up the good work.;)

94cobra69ss396 01-04-2009 06:39 PM

Quote:

Originally Posted by big2bird (Post 12504)
So, on a unibody, what do you anchor the cage to? Bulkhead the stress points?
I peeked at the car today. The boys were stripping away.(The car):D
Save the oil cooler, but a straight line car doesn't need one.
Keep up the good work.;)

NHRA rules say that the roll bar needs to be attached to the body on a unibody car (RX7) or to the frame on full frame cars (like my Chevelle). I'm going to use 6x6 inch plate to attach it to the floor pan. On my Chevelle I cut the floor out and welded the roll bar to the frame and then I used plate to fill in the holes I cut and welded the plate to the cage as well.

Vettezuki 01-04-2009 06:47 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 12508)
NHRA rules say that the roll bar needs to be attached to the body on a unibody car (RX7) or to the frame on full frame cars (like my Chevelle). I'm going to use 6x6 inch plate to attach it to the floor pan. On my Chevelle I cut the floor out and welded the roll bar to the frame and then I used plate to fill in the holes I cut and welded the plate to the cage as well.

You'll see, but there is some (hopefully irrelevent) damage to the underside. Looks like it had been picked up with fork lift or something once. I think I'll have her ready for pick up by the end of the week. Does next weekend work for you? Are you going to CSW on the 10th?

94cobra69ss396 01-04-2009 07:03 PM

Quote:

Originally Posted by Vettezuki (Post 12509)
You'll see, but there is some (hopefully irrelevent) damage to the underside. Looks like it had been picked up with fork lift or something once. I think I'll have her ready for pick up by the end of the week. Does next weekend work for you? Are you going to CSW on the 10th?

I think I am going to CSW on the 10th. If I do I'll be in the Cobra because I don't have DOT legal slicks for the Chevelle.

Are you sure the car is straight? Throttle Crazy has a frame machine in his body shop. I might be able to get him to put it on and make sure it's straight before we fab up the cage. If it's not maybe we can straighten it first and then do the cage.

Thottle Crazy and I are putting together a ZZ383 for his Jimmy this week and I think we're going to drop it in this weekend. If you can get the car stripped by Sunday maybe I can come down and pick it up then.

Vettezuki 01-04-2009 07:07 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 12510)
I think I am going to CSW on the 10th. If I do I'll be in the Cobra because I don't have DOT legal slicks for the Chevelle.

Are you sure the car is straight? Throttle Crazy has a frame machine in his body shop. I might be able to get him to put it on and make sure it's straight before we fab up the cage. If it's not maybe we can straighten it first and then do the cage.

Thottle Crazy and I are putting together a ZZ383 for his Jimmy this week and I think we're going to drop it in this weekend. If you can get the car stripped by Sunday maybe I can come down and pick it up then.

If it works for you Sunday will be great. I'm not sure its straight, however, nothing is obviously out of place. Doors open and close correctly and line up with the body acceptably. Some for the hood. So I think it's ok. But if it can be technically verified on a frame straightener, all the better. :thumbs_up:

enkeivette 01-04-2009 07:09 PM

I haven't seen any evidence of body work on this car, I'd be willing to bet that it's straight. You guys might want to heat it up and pound the floor out before you get started though.

94cobra69ss396 01-11-2009 07:45 PM

I picked up the car today from Ben and I took it over to my buddy Joe's house to make the main hoop. The first thing we did was measure the height and width where we are going to install the main hoop. Joe already has some pre bent tubes so we used those to check the fitment. Once we had a the mesurements Joe drew up a diagram using those measurements. We then cut a section of tube and proceeded to make the bends. After each bend we laid the main hoop down on the diagram to make sure it matched up.

This is a picture of the diagram drawn on the garage floor.



Here's one of Joe marking the tube before bending it.



Here's one after the first two bends.



I didn't get one of the finished product. I got busy and forgot to snap some but I added a red arrow so you can see where the third bend was. Same for the fourth bend but on the other side.



Here's one of Kylie and Mya helping with the cage.



I want to thank Joe for his help and the use of the tube bender. Also for giving me some pre cut 4x4 plate for the floor attachments.

I'll start prepping the floor tomorrow night and hopefully get the main hoop welded in place. I'll post more pictures of it as well.

94cobra69ss396 01-13-2009 10:22 PM

I finished installing the main hoop tonight. Here are some pictures. I remembered to take them this time.


























SeanPlunk 01-13-2009 10:29 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 13495)
I finished installing the main hoop tonight. Here are some pictures. I remembered to take them this time.


























Wow Ron, that looks awesome :hail:

Vettezuki 01-13-2009 10:32 PM

Great! I'm getting even more excited than when this project started. Are those your welds?

94cobra69ss396 01-13-2009 10:37 PM

Quote:

Originally Posted by Vettezuki (Post 13503)
Great! I'm getting even more excited than when this project started. Are those your welds?

Yes. They have a little splatter but I haven't cleaned them up at all. It took me about 3 1/2 hours to install it and I just finished at 10:00pm so I didn't clean them up. I figure once I finish the entire thing we can clean up the splatter.

Vettezuki 01-13-2009 11:17 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 13505)
Yes. They have a little splatter but I haven't cleaned them up at all. It took me about 3 1/2 hours to install it and I just finished at 10:00pm so I didn't clean them up. I figure once I finish the entire thing we can clean up the splatter.

Some of that falls into the body work category so don't sweat it too much.

BTW, there's some anti-splatter spray that works pretty good to keep that stuff down to a minimum. The pics look pretty clean.

enkeivette 01-14-2009 01:21 AM

That is some clean work! Nice job guys!

Vettezuki 01-14-2009 01:51 AM

Quote:

Originally Posted by enkeivette (Post 13522)
That is some clean work! Nice job guys!

Maybe in a few weeks to a month or so, you'll get to start making your mark. Literally.

BTW, like your sig, though I'd go with the passive form: " Objects in the mirror have been punished."

big2bird 01-14-2009 05:35 AM

Quote:

Originally Posted by Vettezuki (Post 13514)

BTW, there's some anti-splatter spray that works pretty good to keep that stuff down to a minimum. The pics look pretty clean.

WD40 does the same thing.;)

big2bird 01-14-2009 05:37 AM

The cage looks good so far. You do nice work.
The dash is all coming out. Go wherever you need/is strongest. Maybe thru the firewall to tie in the front.
Are you putting swing outs for the front seat?

94cobra69ss396 01-14-2009 07:23 AM

Quote:

Originally Posted by big2bird (Post 13531)
The cage looks good so far. You do nice work.
The dash is all coming out. Go wherever you need/is strongest. Maybe thru the firewall to tie in the front.
Are you putting swing outs for the front seat?

I'm not that good, I'm just making a standard 8 point roll bar. It should be plenty strong for our car and engine combo.

enkeivette 01-14-2009 06:16 PM

Ben, if you want to buy some cheap primer, I'll spray the roll bar once it's finished to keep the rust off. :thumbs_up:

94cobra69ss396 01-14-2009 06:34 PM

Quote:

Originally Posted by enkeivette (Post 13588)
Ben, if you want to buy some cheap primer, I'll spray the roll bar once it's finished to keep the rust off. :thumbs_up:

I have some good etching primer that I'll spray it with.

big2bird 01-14-2009 07:34 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 13534)
I'm not that good, I'm just making a standard 8 point roll bar. It should be plenty strong for our car and engine combo.

Your doing a great job. Don't sell yourself short. Kudos.:drink:

94cobra69ss396 01-15-2009 10:29 PM

I finished the rear bars tonight. The winds have been really bad out here so yesterday it took me 2 1/2 hours just to get one plate welded to the floor. I had to keep grinding down the weld and redo it because it was splattering bad. :bang: So if it doesn't look perfect tuff luck it still got good penetration. Also, I haven't welded the top of the bars to the main hoop for the same reason. I'll grind down what is there now and do them again.

I didn't take any pictures of the tubes while I was making them but all I did was measured the length that I wanted then used a 1 3/4 hole saw to cut the tube in half. That way I already had the notched ends. Then I cut them to length and angle cut the bottom with a saws all.

Here's some pictures from last night and tonight.
















94cobra69ss396 01-28-2009 11:47 AM

I finished the cross bar and seat belt mount on Saturday. Here are a couple pictures.






Vettezuki 01-28-2009 01:36 PM

:drink::thumbs_up:

94cobra69ss396 01-28-2009 03:52 PM

Sorry it's taking so long. I just got the second stick of tubing yesterday so I can start on the door bars and the main hoop supports. I'll start with the mian hoop supports tonight and see how far I get. I'm going to reinforce the area where they are going to be welded to the floor with some 3" plate first. I'll take some pictures as I go along.

94cobra69ss396 01-28-2009 04:44 PM

You can see in this picture the area that I'm going to add plate to from the green arrow on the right and then what I plan on it looking like on the left. The plate I'm going to use is on the far right laying on the floor.

Leedom 01-28-2009 10:39 PM

Ron,

You are doing a hell of a job!! Keep up the good work.:thumbs_up:

94cobra69ss396 01-28-2009 11:23 PM

Thanks Adam. I worked on it for about 3.5 hours tonight. I finished the plates for the main hoop supports and got them welded in and I made one support bar and got it welded in. Here are some more pictures.









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