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Learning how to build Lotus Seven replicas...together!
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PostPosted: May 19, 2017, 8:15 pm 
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carguy123 wrote:
What do you mean by measure 1/4" back and "slap a fold"?


LOL! Martin gets it, he also built a plane.

Here's a quick condensed description of what I was yakking about. Took a couple of scrap pieces, on one I measure back 1/4".
Attachment:
File comment: 2 examples of .040" aluminum to bend a 1" 90
IMG_1676.JPG
IMG_1676.JPG [ 92.67 KiB | Viewed 910 times ]

Then I clamp it to the build table edge and slap a slight fold in it.
Attachment:
File comment: Measure back 1/4" on sample 1
IMG_1677.JPG
IMG_1677.JPG [ 77.95 KiB | Viewed 910 times ]

Attachment:
File comment: Slap (bend) a fold (crease) in the aluminum
IMG_1678.JPG
IMG_1678.JPG [ 88.54 KiB | Viewed 910 times ]

Here is an edge pic of both samples.
Attachment:
File comment: Edge profile of both samples. One as is, one slapped 1/4" back
IMG_1679.JPG
IMG_1679.JPG [ 76.91 KiB | Viewed 910 times ]

Clamped both samples to build table and slapped a 90* bend in both.
Attachment:
File comment: Clamp and slap a 90 in both pieces
IMG_1680.JPG
IMG_1680.JPG [ 88.87 KiB | Viewed 910 times ]

Bending metal against a 90* surface will never leave you with a 90* bend in the metal due to 'spring back'. So take the sample clamp it to the table upside down and slap it to over bend the 90 to 90*. Does that make sense?
Attachment:
File comment: Not true 90* bends
IMG_1681.JPG
IMG_1681.JPG [ 82.24 KiB | Viewed 910 times ]

Attachment:
File comment: Clamp, slap, and over bend the 90
IMG_1682.JPG
IMG_1682.JPG [ 87.54 KiB | Viewed 910 times ]

Now take both samples and lay them on a flat surface, in this case the table, but picture laying them against the 1"sq tube frame. The further sample that has the 1/4" slapped crease in it has a nicer edge than the plain sample. Both work, just the 1/4" slapped fold piece is more pleasing to the eye and will not cut flesh.
Attachment:
File comment: Both samples on surface, the 1/4" slapped back peice has a neater straighter edge
IMG_1685.JPG
IMG_1685.JPG [ 81.36 KiB | Viewed 910 times ]


Hope this clears up my confusion :cheers:

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Perry

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'If man built it, man can fix it'

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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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PostPosted: May 19, 2017, 11:46 pm 
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Today I cut out the drivers side, test fit, drilled and cleco'd.


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IMG_1686.JPG
IMG_1686.JPG [ 105.82 KiB | Viewed 895 times ]
IMG_1688.JPG
IMG_1688.JPG [ 126.8 KiB | Viewed 895 times ]

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Perry

2 down, 2 to go, no 3 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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PostPosted: May 20, 2017, 2:56 am 
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That's about 10 times more Clecos than I have!

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PostPosted: May 20, 2017, 9:42 am 
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Now I understand why you did the extra bend in the metal. I couldn't see what the initial slap/bend was doing before and how it helped the bending further back (as I thought you were initially saying), but I see it's just a "finish thang" and you are right it does fit better.

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PostPosted: May 23, 2017, 12:43 am 
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https://www.youtube.com/watch?v=a3Qi0E0K1U0
https://www.youtube.com/watch?v=b8kv-vUsWsM
Video is worth thousands of words

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Perry

2 down, 2 to go, no 3 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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PostPosted: May 23, 2017, 1:14 am 
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Any reason you don't just rip 5 degrees off your 2x4 in a table saw and bend it 95 degrees?

Also, where are you getting your aluminum sheet? Is it reasonably priced?

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PostPosted: May 23, 2017, 10:20 am 
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Nice work on the first drive (or 2), Perry. Watch out for those back-40 burnouts, though. They say dirt track racing is addicting. :lol:

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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PostPosted: May 23, 2017, 11:15 am 
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Lonnie-S wrote:
Nice work on the first drive (or 2),

Thanks Lonnie, far from finished but at least I can drive it in and out of the shop when I need to work on other stuff.

Trochu wrote:
where are you getting your aluminum sheet?

Hey Josh, I picked up 4 sheets of .040" aluminum and 20' of 3/4"x3/4"x1/8" aluminum C channel from Metal Supermarket for $405 tax in.

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Perry

2 down, 2 to go, no 3 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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PostPosted: May 23, 2017, 1:13 pm 
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Nice work! The alarm in the video had us checking our house :oops:


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PostPosted: May 23, 2017, 11:39 pm 
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Evlshnngns wrote:
The alarm in the video had us checking our house

:lol: Yeah, I know the CO monitor works in the shop, just ran the car for about 30 seconds before backing it out, the exhaust was pointed towards it.

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Perry

2 down, 2 to go, no 3 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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PostPosted: May 25, 2017, 8:37 am 
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We are Slotus!
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Yo Perry-
You keep doing burnouts in Mama's yard with the young'uns car and they're liable to gang up on ya and kick your [donkey]! :rofl:

So, how was the chocolate-coffee-liquor the other night? Seems to me it would make ya a very alert drunk... :mrgreen:

:cheers:
JDK

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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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PostPosted: May 25, 2017, 11:35 am 
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Congrats on the first drive.

"2 down, 2 to go, no 3 to go"........at what point do you become a manufacturer instead of a back yard builder? Your output currently isn't much less than Zonda! :D

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PostPosted: June 13, 2017, 2:34 am 
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Well vacation time is over, now I can get back to retirement and building.
On another note I just realized that wifey and I have been hitched for 37 years as of today. My how time flies, just seems like yesterday I was a courtin', what did I do yesterday? Oh yeah, thinking of writing up this post, I think :?

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Perry

2 down, 2 to go, no 3 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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PostPosted: June 13, 2017, 8:27 am 
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Congratulations! :cheers:

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My build log:
viewtopic.php?f=35&t=14520&start=0
My build video:
https://vimeo.com/143524140


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PostPosted: June 14, 2017, 10:38 am 
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And, here's a second on Martin's congrats.

Best,

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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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