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Learning how to build Lotus Seven replicas...together!
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 Post subject: Re: Nick's MGB Build
PostPosted: Sun Apr 15, 2012 1:14 am 
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I assembled my build table today and started tacking the frame together. This did not go nearly as quickly as I expected. I assembled the table in only half an hour but spent the next 6 hours getting it flat. Another hour to draw lines on the table, and another 4 to lay out the bottom tubes and clamp them in place. Finally I got out the MIG welder, and when I tacked the first corner I got this ugly, porous bead. Some kind of contamination, I figured, so I wire brushed the next corner really good and tacked it. Same ugly, porous bead. That's when it hit me I hadn't turned on the gas yet. Not a great start.

Image

I ground down the bad tacks and started over with the gas on, and this time everything went okay, although it seemed like each tack took at least 15 minutes to set up. I ran out of time after tacking the top of the tubes, and just had time to flip the frame over and check it for straightness. Amazingly, it came out okay, but I'll feel better when the bottom joints are tacked, maybe tomorrow if I get the time.


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 Post subject: Re: Nick's MGB Build
PostPosted: Sun Apr 15, 2012 6:56 am 
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Hey Nick-

I know 'zackly what you mean, Bro--
Quote:
This did not go nearly as quickly as I expected
Yeah, been there and still doin' that! :BH:

Quote:
That's when it hit me I hadn't turned on the gas yet. Not a great start.
*Head Slap* Doh! :roll: Yeah, don't think I've done exactly that, but close. (Or maybe I've done worse... Hmmm... :mrgreen: Not tellin'...) Welcome to the club...

It's still progress, Mate, and good for you for getting things done. You're miles ahead of where you were this time yesterday... And got some great stories to tell when you're done. (Or not tell, depends on who's listenin'! :wink: )

Anyway, chin up, Old Boy! Carry on! And, no matter if you did forget the gas, WELL DONE!!!
OK, can I giggle now? About the non-gas welding, I mean??? :lol:

:cheers: Keep after it Bro, you're gonna be drivin' one day soon!
Regards-
JD Kemp

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JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


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 Post subject: Re: Nick's MGB Build
PostPosted: Tue Apr 17, 2012 12:25 am 
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Location: Novato, CA
It's actually beginning to look like I'm building a car in my garage. The frame is going together amazingly straight, if not amazingly fast. Ordinarily when something goes this well I'm doing it wrong, but I haven't found anything yet. There's still time, though.

Image

I guess I ought to clear off the table before I take pictures. I'm not a terribly neat worker but at least I usually know where something is when I need it.

This is all really encouraging. I'm almost starting to think I can actually do this. I have just about all the parts I need, and there don't seem to be any major obstacles anymore, except maybe the bodywork which seems kind of intimidating.

With all of these steel tubes starting to resemble a car frame, I had to try clamping on a couple of suspension bushings and attaching one of the lower A-arms. It looks so good I may just leave it on there for awhile.

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 Post subject: Re: Nick's MGB Build
PostPosted: Tue Apr 17, 2012 1:44 am 
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Good on you!! Looks like you're having fun and a great start to a good build. Mess is good, we once cleaned up our shop because the VP was coming to inspect the premises, he walks into our shop, looks around, and says "Don't these guys do anything around here??". That's the last time you'll see our shop clean!

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2 down, 2 to go

'If man built it, man can fix it'

"No one ever told me I couldn't do it."

http://www.locostusa.com/forums/viewtopic.php?f=35&t=12234

http://www.locostusa.com/forums/viewtopic.php?f=35&t=14030


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 Post subject: Re: Nick's MGB Build
PostPosted: Tue Apr 17, 2012 8:27 am 
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Great job keep up the good work.


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 Post subject: Re: Nick's MGB Build
PostPosted: Tue Apr 17, 2012 9:40 am 
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I thought I was following your build? Where did the cool lower A-arms come from? Maybe I'm havin' one of those "senior moments"?

Cheers,

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Damn! That front slip angle is way too large and the Ackerman is just a muddle.

Build Log: viewtopic.php?f=35&t=5886


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 Post subject: Re: Nick's MGB Build
PostPosted: Tue Apr 17, 2012 10:17 am 
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Quote:
This is all really encouraging. I'm almost starting to think I can actually do this. I have just about all the parts I need, and there don't seem to be any major obstacles anymore, except maybe the bodywork which seems kind of intimidating.

With all of these steel tubes starting to resemble a car frame, I had to try clamping on a couple of suspension bushings and attaching one of the lower A-arms. It looks so good I may just leave it on there for awhile.


Yo Nick-
Amazing ain't it? I remember walking around the Slotus frame and saying, "By Golly, I can do this!" (I was more amazed than anybody else, honest!) It's a good feeling... As far as the bodywork being "intimidating"... Well, wait till you get there, it won't look as tough by then.

And again, yeah, ain't that a cool feeling? Hanging the suspension on, even temporarily, seems like such a big milestone... It is a big milestone, one of many.

Folks always say "Keep up the good work" but in this case it's literal, you're doing good work, keep on truckin', Bro! :cheers:

JD Kemp

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JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


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 Post subject: Re: Nick's MGB Build
PostPosted: Tue Apr 17, 2012 1:49 pm 
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Thanks a lot for all the encouragement, it's greatly appreciated, along with the much-needed advice. When I finally finish this thing, you guys will get a lot of the credit.

Lonnie, the A-arms were just about the first thing I made, way back on page one of this thread. I cut and fit all the pieces, but had them TIG welded by a friend who happens to be an expert welder. I just wish he lived closer.


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 Post subject: Re: Nick's MGB Build
PostPosted: Sun Apr 22, 2012 12:04 am 
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Latest photos. This is getting more encouraging all the time. I'm also learning a lot about welding, including things like replacing the little copper tip when the wire stops coming out. Not something they taught us in class. Tacking is fun, but every tube takes a lot of setup now, especially if it doesn't quite fit and has to be sanded down. I'm looking forward to the day when there are no more tubes to add and I can weld all the joints. That'll be fun. The frame is very sturdy now, it should be rock solid after welding.

Image

Image

Image


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 Post subject: Re: Nick's MGB Build
PostPosted: Mon Apr 23, 2012 8:13 am 
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Movin right along, Sir! Looks good, and feels solid...
Well done! Keep after it!
:cheers:

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JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


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 Post subject: Re: Nick's MGB Build
PostPosted: Mon Apr 23, 2012 11:18 am 
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nick47 wrote:
Latest photos. This is getting more encouraging all the time. I'm also learning a lot about welding, including things like replacing the little copper tip when the wire stops coming out. Not something they taught us in class. Tacking is fun, but every tube takes a lot of setup now, especially if it doesn't quite fit and has to be sanded down. I'm looking forward to the day when there are no more tubes to add and I can weld all the joints. That'll be fun. The frame is very sturdy now, it should be rock solid after welding.

Image

Image

Image

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 Post subject: Re: Nick's MGB Build
PostPosted: Sat Apr 28, 2012 1:57 am 
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The frame has gone together pretty fast. That may have something to do with the fact that I've spent just about every waking hour on it, apart from my actual day job. I still have to figure out how I'm going to bend that 3/4" DOM tubing, but if I can do that, I think I can finish this thing tomorrow, or Sunday at the latest. Well, not actually finish, but you know, start welding things on.

Image

Image

The tunnel is shaped to fit a late-model MGB gearbox, which is big enough for a truck. The mock-up frame was invaluable for getting the dimensions right. The turret on the transmission is offset to the left, so I had to start widening the tunnel early. Tubing is 1" x 1/2" instead of the usual 3/4" square, same weight and strength but a little more room in the seating area.


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 Post subject: Re: Nick's MGB Build
PostPosted: Sat Apr 28, 2012 7:27 am 
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Yo Nick-
Wow, that came together fast! The frame looks good, too. I remember looking at my welded up frame and thinking, "I'm almost done!" *Annoying Buzzer Sound* Wrong! :mrgreen: But you know that...

Still, great progress, it's coming along really well. I understand the use of the rectangular tubing, gives a bit more room for the seats. I almost went the same way on the frame material for mine, but changed to square before I bought anything. Just seemed simpler to fabricate with square. Mind you, I was thinking the whole frame, not just the cockpit area.

That MGB tranny is a big lump, isn't it? Great box though, you can't kill them. I kept mine lubed with Red Line MTL instead of the recommended 30 wt non-detergent oil and then abused the hell out of it on various parking lots, race-tracks and mountain roads with absolutely no gearbox problems. In a car as light as a Locost, it should run forever. :cheers:

Any-hoo, it's coming along, you're doing great! Keep us posted-
:cheers:
JD Kemp

_________________
JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


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 Post subject: Re: Nick's MGB Build
PostPosted: Sat Apr 28, 2012 9:10 am 
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Nick, I have to ask: do your days have more hours than the rest of ours? You're making killer progress, man. Congrats!

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"To build may have to be the slow and laborious task of years. To destroy can be the thoughtless act of a single day." ~ Winston Churchill
I'm an English major. You do the math.


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 Post subject: Re: Nick's MGB Build
PostPosted: Sat Apr 28, 2012 10:10 am 
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I'll have to echo what everyone else has said, excellent progress.

The idea of using the 1 x 1/2 RHS for the tunnel was smart too. These small dimensions add up because that cockpit is pretty darn cozy.

Cheers,

Lonnie

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Damn! That front slip angle is way too large and the Ackerman is just a muddle.

Build Log: viewtopic.php?f=35&t=5886


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