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-   -   Shell weight? (https://www.miataturbo.net/general-miata-chat-9/shell-weight-54913/)

JayL 01-11-2011 03:51 PM

Shell weight?
 
Picking up a 99 shell later this week that's been completely stripped. Any idea what the weight of it will be? Since it's not a rolling chassis I need to plan ahead to be able to move it around the garage.

chicksdigmiatas 01-11-2011 04:01 PM

No clue, I would guess 1700 depending on how stripped it is. Also if no one knows roll that bitch on a truck scale. Oh and since it is stripped do this,

http://flyinmiata.com/tech/seamweld.php

18psi 01-11-2011 04:02 PM

Highly doubt it will be 1700 since there is no engine/drivetrain/suspension/or anything.

Completely stripped 800-1100lbs imo

Jeff_Ciesielski 01-11-2011 04:13 PM

Please, do it for the children.

http://memimage.cardomain.com/ride_i...0004_large.jpg

JayL 01-11-2011 04:20 PM

It's just a bare shell. Only the unibody with quarter panels, windshield and the gas tank.

jacob300zx 01-11-2011 05:00 PM

800lbs or less

scottyd 01-11-2011 06:15 PM

Rumor has it that the '99 shell is lighter than the '89/'90 shell.

Faeflora 01-11-2011 07:10 PM

Fuck it. 300 pounds.

Faeflora 01-11-2011 07:11 PM

There's gotta be a way to turn an engine hoist into a scale

levnubhin 01-11-2011 07:13 PM

You can easily move one around on a couple of furniture dollies.
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scottyd 01-11-2011 07:14 PM


Originally Posted by levnubhin (Post 677970)
You can easily move one around on a couple of furniture dollies.

Exhibit A:
http://sphotos.ak.fbcdn.net/hphotos-..._1756804_n.jpg

bbundy 01-11-2011 07:51 PM


Originally Posted by jacob300zx (Post 677930)
800lbs or less

I think it is still less than that. When mine was stripped with all the glass doors and trunk lid still on it I could still lift half of it pretty easy. Two or three guys could carry it around without too much trouble.

It might come down to your definition of stripped shell however.

Bob

jacob300zx 01-11-2011 08:42 PM

lol, yup if we were betting cash I think I would go for 400 if the diff/susp/engine/trans/no doors/fenders/glass

gospeed81 01-11-2011 08:50 PM


Originally Posted by Faeflora (Post 677969)
There's gotta be a way to turn an engine hoist into a scale

You can by using a strain gauge.


My guess on the empty shell is 600lbs...but Rob Harris is the one to ask there.

saedrin 01-11-2011 11:09 PM

4-500. You could probably walk it around with three people. Our project evo's shell is light enough that three people can lift it on and off of the moving dollies and it's a 4 door so..

Rallas 01-15-2011 10:18 PM

I moved a completely stripped shell onto a car trailer with one other guy. All we had were 2 small moving dolies to roll the rear end around on. If I had to guess I would say 350lb, 400 at max.

JayL 01-15-2011 11:01 PM

A few of us were able to lift it off the trailer and into the garage without any issues. Much easier than we thought it was going to be. Thanks.

rharris19 01-16-2011 12:03 AM

Last shell that was taken down to the scrap yard weighed 400ish with absolutely nothing in it. No doors, subframes, wiring, panels etc. It was in a wreck in the front but that just moved some stuff around and didn't really mess with the weight too much. Still had the windshield though.

modernbeat 01-16-2011 12:50 AM

4 Attachment(s)

Originally Posted by rharris19 (Post 679373)
Last shell that was taken down to the scrap yard weighed 400ish with absolutely nothing in it. No doors, subframes, wiring, panels etc. It was in a wreck in the front but that just moved some stuff around and didn't really mess with the weight too much. Still had the windshield though.

My '91 bare tub without a windshield weighed 466. With enough body parts to complete the outer perimeter of the body including uncut doors it was 603.

Attachment 191657

Attachment 191658

Attachment 191659

Attachment 191660

rharris19 01-16-2011 01:11 AM

Very interesting. My stuff is always hauled off by a local scrap guy that drives around all day looking for metal. He just said it was around 400, so kudos to you for more exact figure. That is really interesting to see with the body pieces with it as well. Thanks for taking the time to post all that up.

emilio700 01-16-2011 01:13 AM

The guys at Trackspeed are stripping a 99 for me. Going to acid dip Monday. Maybe somewhere in there we can get it weighed before it gets dipped.

rharris19 01-16-2011 01:16 AM

That would be cool to see and compare to the 91 weight to see if the shell really is lighter than the early NA.

crashnscar 01-16-2011 01:32 AM


Originally Posted by emilio700 (Post 679385)
The guys at Trackspeed are stripping a 99 for me. Going to acid dip Monday. Maybe somewhere in there we can get it weighed before it gets dipped.

Done and loaded on the trailer ready for delivery to the acid dipper. :D
It would be interesting to see what the weight difference is before and after the dip.

modernbeat 01-16-2011 10:52 AM


Originally Posted by rharris19 (Post 679387)
That would be cool to see and compare to the 91 weight to see if the shell really is lighter than the early NA.

Acid ipping should make a real difference. Even caustic dipping which just removes the non-metal crap on the tub. I've already taken off more than 25lbs of sound deadener and undercoating with wire wheels. But I can't get an accurate weight because I've also trimmed off brackets, cut out wheelwells and removed the windshield frame.

emilio700 01-16-2011 10:55 AM


Originally Posted by crashnscar (Post 679389)
Done and loaded on the trailer ready for delivery to the acid dipper. :D
It would be interesting to see what the weight difference is before and after the dip.

I will bring my scales to strip clean

modernbeat 01-16-2011 11:03 AM

2 Attachment(s)

Originally Posted by rharris19 (Post 679384)
...That is really interesting to see with the body pieces with it as well. Thanks for taking the time to post all that up.

Lots of guys have gutted doors, but the bare door shells on the early NA weighed 32lbs and I trimmed them down to 11lbs. That included removing the impact bar on the outer skin and the complete inner portion of the door.

Please don't whine about unsafe door lightening. This isn't a track car. It's an autocross car. And there will be serious issues with the "cage" that slant towards stiffness and low-n-light weight at the cost of impact protection.

Stock door with all unboltable parts removed first, then two of the gutted door.

http://i683.photobucket.com/albums/v...a/SNC10874.jpg

Attachment 191645

Attachment 191646

curly 01-16-2011 11:09 AM

Body parts that serve no function add 137lbs to my car?! Hmm....

Even the 2 feet of garage space I'd gain front and back is tempting.

emilio700 01-17-2011 03:51 PM

495 pounds bare 99 shell with out doors

emilio700 01-21-2011 09:01 PM

495 lbs before. 461 lbs after so 34 lbs lost in acid dip. The steel does not look severely etched plus all the plastic and rubber plugs survived. So I think that's just paint, tar and undercoat weight.
http://949racing.com/Enduro/stripped_tub.jpg

jacob300zx 01-21-2011 10:11 PM

Very nice guys. Emilio can we get a build thread on that 99? People might be interested how it was built later in the year...

emilio700 01-23-2011 01:46 PM


Originally Posted by jacob300zx (Post 681296)
Very nice guys. Emilio can we get a build thread on that 99? People might be interested how it was built later in the year...

http://www.949racing.blogspot.com/

Not much for forum build threads so the blog will be it.

crashnscar 01-23-2011 02:11 PM

Did the acid dipping take the bondo off, contributing slightly to the 34 pounds lost?
Good news all those plastic bits survived. Let us know when you don't have enough time to put it back together. Can't want to drive this thing and :winner:.

emilio700 01-23-2011 06:23 PM


Originally Posted by crashnscar (Post 681653)
Did the acid dipping take the bondo off, contributing slightly to the 34 pounds lost?
Good news all those plastic bits survived. Let us know when you don't have enough time to put it back together. Can't want to drive this thing and :winner:.

Bondo is all gone. Yeah, I think we are gonna have some win going on in this thing.


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