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Learning how to build Lotus Seven replicas...together!
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PostPosted: January 6, 2020, 10:12 pm 
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Location: Carlsbad, California, USA
Miatav8,MstrASE,A&P,F wrote:
Speaking of floors, either mod the handle you have or fit a new brkt like so and lay it over.

Hey MV8,

It's now so close with the extra river rock ballast that I'm thinking I'll make a simple handle mounted to the top plate, so that a helper can push against my pulling. I think that would do it at this point.

I will check into the slab bolts, though. It would be nice to have a single-handed solution.

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: January 7, 2020, 7:55 am 
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Back when I was installing X-ray equipment in hospitals in the San Francisco area, I regularly came into issues with the Post/tension floors. The only real way to locate the mechanicals in the floor is to have an industrial X-Ray/inspection company come in to locate them. ANd it was not cheap! If you even nick the cable it can snap and pop out the end of the slab. And the floor tends to shake like an earthquake has hit. Plus now you have ruined the structural integrity of the floor. Not a good scene!

Thom


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PostPosted: January 7, 2020, 7:27 pm 
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Lonnie-S wrote:
Miatav8,MstrASE,A&P,F wrote:
Speaking of floors, either mod the handle you have or fit a new brkt like so and lay it over.

Hey MV8,

It's now so close with the extra river rock ballast that I'm thinking I'll make a simple handle mounted to the top plate, so that a helper can push against my pulling. I think that would do it at this point.

I will check into the slab bolts, though. It would be nice to have a single-handed solution.

Cheers,


No need to mod anything. For a handle, insert a six foot long, 14ga 1x3 or 1x2 between the blue base and the yellow bender base, between the welded hex lugs. Fit washers between the two if there isn't a full inch of space. Insert the tube 4 different ways depending on where the yellow handle is.

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PostPosted: January 8, 2020, 2:00 pm 
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BostonWill wrote:
Back when I was installing X-ray equipment in hospitals in the San Francisco area, I regularly came into issues with the Post/tension floors. The only real way to locate the mechanicals in the floor is to have an industrial X-Ray/inspection company come in to locate them. ANd it was not cheap! If you even nick the cable it can snap and pop out the end of the slab. And the floor tends to shake like an earthquake has hit. Plus now you have ruined the structural integrity of the floor. Not a good scene!

Thom

Thanks for that input, Thom. I don't think I'm up for and an X-ray exam. I bet that would cost you a buck-fifty or two :(

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: January 8, 2020, 2:03 pm 
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Miatav8,MstrASE,A&P,F wrote:
No need to mod anything. For a handle, insert a six foot long, 14ga 1x3 or 1x2 between the blue base and the yellow bender base, between the welded hex lugs. Fit washers between the two if there isn't a full inch of space. Insert the tube 4 different ways depending on where the yellow handle is.


Excellent idea. I think this come under the "why didn't I think of that" category too. Actually, I think I even have some wood pieces that might do the trick. With the rock ballast, I don't need too much more counter force.

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: February 5, 2020, 1:33 pm 
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Here's the latest progress on my build. It's been very very slow as my wife fell ill again, and was bedridden for about a month. As time permitted, I did get some small things done.

I did come to terms with my tubing bender and developed a practical method of working single handed with the aid of a propane torch, a wooden lever and an old drafting chair as a second set of hands.
Attachment:
File comment: My working bender setup.
DSC05280.JPG
DSC05280.JPG [ 143.54 KiB | Viewed 1552 times ]

Attachment:
File comment: My old drafting chair (luckily) was at the right height to serve as a second pair of "hands" for keeping the bent ends at the right height and inclination.
DSC05281.JPG
DSC05281.JPG [ 135.39 KiB | Viewed 1552 times ]

I was developing a technique of bending and rolling the upper boot hoop to match the Caterham lines. The plan was to make it in two pieces, joining them on the centerline using some 3/4" DOM tubing turned down on the mini-lathe to fit inside the ends & welding all 3 parts together. A one piece hoop would be too awkward for me to do on my own, both bending and rolling at the same time.

I started doing some practice pieces in cheap conduit to work out the details. While playing with the angle of the conduit , it struck me - the straight conduit worked just fine to impart the dynamic feeling I wanted at the rear. A straight hoop with just two 90° bends would also make my life a lot simpler. Duh! Why didn't' I think of that the first time?
Attachment:
File comment: The light bulb illuminates - straight works just fine. There's no need to roll the piece too.
DSC05287.JPG
DSC05287.JPG [ 144.45 KiB | Viewed 1552 times ]

So, I built some temporary locators to hold the upper hoop in place while I fitted the hoop and the verticals needed for the spare tire carrier and the rear roll bar braces.
Attachment:
File comment: Temporary frame work to locate and hold the upper hoop while fab'ing and welding.
DSC05294.JPG
DSC05294.JPG [ 143.89 KiB | Viewed 1552 times ]

Attachment:
File comment: Setting the hoop angle with the temporary locators and levels. It's fairly simple, but it does locat the hoop correctly in all 3-space dimensions.
DSC05298.JPG
DSC05298.JPG [ 142.92 KiB | Viewed 1552 times ]

Next, I fab'ed and located the verticals, and put my cardboard template for the cockpit piece (black line locates the fender shape) in place to make sure it worked with the hoop angle. I'm actually quite pleased with the setup.
Attachment:
File comment: Checking the lines with the hoops, vertical and cockpit pieces in place.
DSC05303.JPG
DSC05303.JPG [ 142.77 KiB | Viewed 1552 times ]

Now that I'm happy, I'll full weld everything and get on to designing and building the spare tire carrier, which will also have the license plate brackets, and maybe the backup lights too.
Attachment:
File comment: The tire carrier will attach to the two center verticals.
DSC05312.JPG
DSC05312.JPG [ 145 KiB | Viewed 1552 times ]


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: February 5, 2020, 7:28 pm 
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Looking good Lonnine! Splitting the boot top tube is the solution I chose. I knew keeping the two 90* bends in line would escape me.

Sorry to hear your wife was ailing. Good she is better.

Best,

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PostPosted: February 5, 2020, 10:02 pm 
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Looking pretty slick Lonnie, those lines will match your hair straight back when cruising. :D
Sorry to hear Anne had a rough spell, hope she's better now, give her a hug from wifey and myself.

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"If you can't build it safe, don't build it."

Perry's Locost Super Che7enette Build
Perry's TBird Based 5.0L Super 7 L.S.O.
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PostPosted: February 6, 2020, 12:30 pm 
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benny_toe wrote:
Looking good Lonnine! Splitting the boot top tube is the solution I chose. I knew keeping the two 90* bends in line would escape me.

Sorry to hear your wife was ailing. Good she is better.

Best,


It was becoming clear getting a nice roll as the curve approached the 90 degree bend was going to be difficult. You can only get so close to the bend with the tubing roller. It became apparent that doing all that on a full hoop was a multi-person job, and better split into two parts.

As it ended up with the simpler, straight hoop there was still a little twist to it, but that was easily fixed by hand and with the weld-up. To get it dead-on, I think a person would have to build a jig to hold it while bending.

Thanks for the concern about my wife.

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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: February 6, 2020, 12:34 pm 
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horchoha wrote:
Looking pretty slick Lonnie, those lines will match your hair straight back when cruising. :D

There ya go, my hair should just "flow around" that sleek boot. :mrgreen:

horchoha wrote:
. . . Sorry to hear Anne had a rough spell, hope she's better now, give her a hug from wifey and myself.

Thank you, Perry. She is amazing resilient and always keeps a positive attitude. She's impressive. Best to you and Karen.

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: April 8, 2020, 6:47 pm 
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Looks great, Lonnie! I took the opposite route in that I made the hoops first (Two pcs. each, put in a piece of angle, tacked and welded, and sanded smooth), tacked them to the frame, them made the tie ins to size. Like you, I had the top almost horizontal, just didn't look right. I dropped it pretty much where you have yours, and the bottom not as much of a kick up angle (Wanted some storage space above the tank). I like the look of yours better, but, well, compromises... Keep up the good work!

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PostPosted: April 14, 2020, 2:10 pm 
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You may have noticed my build progress has been sporadic, with long lapses in activity. I'd like to acknowledge the reason for that, and post a small tribute to my partner of 51 years, and wife of 50 years, Anne, who I lost last week. She had a multi-year struggle with cancer, which finally took her in spite of all our best efforts. It was my privilege to be her primary caregiver throughout her illnesses. I hope when my time comes I exhibit even half the courage, grace and good humor she showed throughout her ordeal. It was inspiring.

She was my biggest cheerleader and supporter on the Locost project, and she will be sorely missed each day.
Attachment:
File comment: Anne in 1969 when she was just my beautiful girlfriend and a favorite subject for my photography.
Anne-1969-Profile-Small.jpg
Anne-1969-Profile-Small.jpg [ 148.3 KiB | Viewed 763 times ]

Attachment:
File comment: Anne two years into our marriage in 1972 with our first sports car, an British Racing Green, MGB roadster.
Anne-1972-Small.jpg
Anne-1972-Small.jpg [ 77.18 KiB | Viewed 763 times ]

Attachment:
File comment: Anne and I in November 2019. Anne is seated on the driver's side of Perry & Karen Dascavich's Locost when they came to visit us.
Anne & Lonnie-Nov-2019-Small.jpg
Anne & Lonnie-Nov-2019-Small.jpg [ 196.48 KiB | Viewed 763 times ]


I hope to resume work on the build next week.

Thanks,

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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PostPosted: April 14, 2020, 2:30 pm 
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Karen and myself offer our most sincere condolences.
It was a pleasure to have met Anne this past winter. She was a delightful person and, along with yourself Lonnie, made us feel very welcome in your home.
Take care my friend.

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Perry

'If man built it, man can fix it'
"No one ever told me I couldn't do it."
"If you can't build it safe, don't build it."

Perry's Locost Super Che7enette Build
Perry's TBird Based 5.0L Super 7 L.S.O.
Perry's S10 Super 7 The 3rd
Perry's 4th Build, The Topolino 500 (Little Mouse) Altered


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PostPosted: April 14, 2020, 2:43 pm 
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Lonnie, So sorry, very sad news. I lost my brother-in-law a few years ago to cancer. It’s horrible. You have your fabulous project to attend to and keep your self going. Like Larry said to me last week “I wish we lived closer.” You need friends right now, and we’re here.

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My build : viewtopic.php?f=35&t=17160


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PostPosted: April 14, 2020, 3:38 pm 
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So sorry to hear this. Cancer is a monster. Mere words cannot express such sorrow.

My heart and best thoughts are with you.

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