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Learning how to build Lotus Seven replicas...together!
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PostPosted: April 11, 2019, 10:56 pm 
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Joined: April 11, 2019, 10:31 pm
Posts: 7
Over the past 2 years, I have been working on an Electric Locost 7 the Frame was a custom build. Looking back if I truly understood how much work it was going to be I'm pretty sure I wouldn't have started. The whole system is based on an ADC 8in with a ZEVA MC1000C from Ian Hooper in Australia (If you guys are looking for serious DC power his controllers are the best you can buy)! The frame was fabricated as per the book's instruction until I saw it called for a solid rear axle, at that point I decided to depart from the book and work Miata gear using a 1.6 diff with NA CV joints as well as hub carriers front and back. The battery pack was from a wrecked Chevy volt and I took apart the pack to repackage in order to fit in the car as well as hack the BMS plugs to use the ZEVA BMS system all interfaced through CAN bus. I used TIG and MIG to weld the chassis and the use of a plasma cutter made the bottom pan and easy endeavor. The roll cage was a completely different story too as I decided to take on the project of making my own hydraulic bender as a break from the Locost for a bit. The bender is made of a hydraulic Ram from harbor freight and the die was from JD I believe. It is hard to summarise all the little humps in the road over such a long time and sadly the pictures only show the final product but hopefully the YouTube video that I threw together sheds some light on the whole process. I have serious respect for people who have gone the full fabricated frame route on any car definitely an experience of a lifetime! Plus I'm pretty sure I haven't seen an electric Locost so something unique hopefully. Please don't hesitate to ask questions about the build I encourage anyone to try this out! I have a plate and insurance on it so now its on to the next project.

YouTube Link: https://www.youtube.com/watch?v=0C2fl4Afbhs

Big thanks to my Dad for helping me finish it up when I broke my wrist and had to go through surgery it was painful not to be able work on the car he helped so much with the bodywork and getting it on the road through the nightmare at the DMV!


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PostPosted: April 12, 2019, 2:48 am 
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Joined: January 10, 2008, 4:47 pm
Posts: 7614
Location: Massachusetts
Huge congrats on your project! I'm glad you like your Dad!

You know in life you're gonna run into things you didn't know how hard they would be. Then doing it is what gets you the win. You ( and your Dad ( and there might be a Mom involved, don't forget ) ) should be very proud of your project and each other! Thanks for sharing and we want more pictures!

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Marcus Barrow - Car9 an open design community supported sports car for home builders!
SketchUp collection for LocostUSA: "Dream it, Build it, Drive it!"
Car9 Roadster information - models, drawings, resources etc.


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PostPosted: April 12, 2019, 3:24 am 
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Joined: December 24, 2007, 5:11 am
Posts: 829
Location: Seattle area
Glad to see an electric Locost here. Plus a really great job!

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Larry in Seattle


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PostPosted: April 12, 2019, 8:20 am 
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Joined: March 4, 2019, 3:49 pm
Posts: 4
Awesome build, just watched the video. You have some great skills, and I don't mean just for a younger guy. It's great that you were able to work with your dad as well. You'll have that in your head forever. I was looking at going the electric route too, but couldn't find a way to keep it cost effective...maybe on another build down the road. I can't wait to see the first Locost with a tesla drive train.


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PostPosted: April 12, 2019, 9:06 am 
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Joined: April 12, 2012, 11:56 am
Posts: 660
Location: Pemberton, BC
Huge congratulations. That is a very impressive build. :cheers: You are a very talented and industrious young man, with undoubtedly a great future.

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Martin


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


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PostPosted: April 12, 2019, 9:15 am 
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Joined: March 19, 2011, 10:22 am
Posts: 1347
Location: Holden, Alberta, Canada
Very impressive build for a fellow your age. WOW!
Hope you enjoy your ride, you've earned it!

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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 12, 2019, 11:46 am 
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Joined: August 3, 2010, 10:19 pm
Posts: 18
Location: Minneapolis, MN
Nice work!!


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PostPosted: April 12, 2019, 11:50 am 
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Joined: April 22, 2010, 4:43 pm
Posts: 327
Location: Livermore, Calif.
Fantastic job and even better experience. It's great to be able to work with your Dad for these kind of projects. Hope you plan to go into engineering in the future.
Cheers,
Roy

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Build log http://www.locostusa.com/forums/viewtopic.php?t=16510


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PostPosted: April 12, 2019, 2:07 pm 
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Joined: October 24, 2008, 2:13 pm
Posts: 3851
Location: Carlsbad, California, USA
I'll ditto the above responses myself.

I'd also urge you to start an after-the-fact build log here. It may well serve to motivate and guide future builders. As far as I'm aware, yours is the first EV Locost posted here. It would be good to see others here in the future.

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 12, 2019, 2:35 pm 
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Joined: July 17, 2008, 9:11 am
Posts: 4975
Location: West Chicago,IL
Very impressive work there. :cheers:

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“Any suspension will work if you don’t let it.” - Colin Chapman

Visit my ongoing MGB Rustoration log: over HERE


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PostPosted: April 14, 2019, 1:33 pm 
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Joined: July 4, 2006, 5:40 pm
Posts: 1952
Location: Novato, CA
Hi Gray, great to see your post here. Hope to see your car in person sometime.


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PostPosted: April 16, 2019, 7:15 pm 
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Joined: April 11, 2019, 10:31 pm
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horizenjob wrote:
Huge congrats on your project! I'm glad you like your Dad!

You know in life you're gonna run into things you didn't know how hard they would be. Then doing it is what gets you the win. You ( and your Dad ( and there might be a Mom involved, don't forget ) ) should be very proud of your project and each other! Thanks for sharing and we want more pictures!


Haha My mom helped take the car up to get the VIN I don't have my license yet so I needed an adult in the car with a permit! But yeah my Dad helped so much with the whole project I am very grateful for it too.


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PostPosted: April 16, 2019, 7:21 pm 
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Joined: April 11, 2019, 10:31 pm
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MacGyver wrote:
Awesome build, just watched the video. You have some great skills, and I don't mean just for a younger guy. It's great that you were able to work with your dad as well. You'll have that in your head forever. I was looking at going the electric route too, but couldn't find a way to keep it cost effective...maybe on another build down the road. I can't wait to see the first Locost with a tesla drive train.


My dad wanted to throw money at it but I spent hours looking for good deals the car turned out to be around $6000 w/o registration I used old battery packs from a Chevy Volt and a ADC 8 motor I snagged for $200 plus a 300amp breaker for the mains. I had a very very tight budget so I wanted to stand by it as much as possible.

Link to the BOM: https://docs.google.com/spreadsheets/d/ ... sp=sharing


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PostPosted: April 16, 2019, 7:24 pm 
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Joined: April 11, 2019, 10:31 pm
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RoyzMG wrote:
Fantastic job and even better experience. It's great to be able to work with your Dad for these kind of projects. Hope you plan to go into engineering in the future.
Cheers,
Roy



Mechanical Engineering for sure! I am looking into electrical too but no one deals with analog power device anymore its all in china for the most part.


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PostPosted: April 16, 2019, 7:25 pm 
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Joined: April 11, 2019, 10:31 pm
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rx7locost wrote:
Very impressive work there. :cheers:



Loved looking at your build log Its inspired me alot for the IRS design!


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