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David Carter's Electric Ghia Project
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dcat917
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PostPosted: Wed Aug 05, 2015 8:55 am    Post subject: Reply with quote

CiderGuy wrote:
How loud is that cooling fan at highway speeds ?

I checked the fan link http://www.summitracing.com/parts/der-12742/applications and could find no DB rating. I ride with the windows down and the transmission pulling away and normal acceleration is louder than the fan. You don't even notice the fan once your moving. Tire noise from other vehicles is louder than I expected.
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1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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dcat917
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PostPosted: Wed Aug 05, 2015 9:07 am    Post subject: Reply with quote

Thanks for the kind words KGCoupe. This is a great place for information and help. A resource like this is rare in the restoration world. This was a great project to learn on and the parts availability was incredible. I might do another Ghia in the future.
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1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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John Moxon Premium Member
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PostPosted: Wed Aug 05, 2015 9:23 am    Post subject: Reply with quote

dcat917 wrote:
Thanks for the kind words KGCoupe. This is a great place for information and help. A resource like this is rare in the restoration world. This was a great project to learn on and the parts availability was incredible. I might do another Ghia in the future.


Well your meticulous approach to restoration and problem solving will always be welcome in this forum.

I was one of the doubters at the start of your project...not because I'm a purist (I'd dispute that anyway) but because we have previously seen electric Ghia projects not make it past the first page. So thanks for sticking at it...it's a credit to you and of course to others who have lent their knowledge too.

I hope you don't mind but I've changed the title of this topic as you're no longer a "New Member" and added it to the "Ghia Restoration Topics – For Instruction and Inspiration" sticky. Smile
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Brassneck
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PostPosted: Wed Aug 05, 2015 9:39 am    Post subject: Reply with quote

Way to go!

Great job with the build, the detailed documentation and the perseverance. I think anyone would be proud to have your electric ghia in their collection. If it weren't so expensive to convert, I'd seriously consider doing it.

Nice work!

(Out of curiosity, I wonder if there's a way to muffle the blower/fan? Seems louder than other e-car conversions I've seen?)
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John Moxon Premium Member
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PostPosted: Wed Aug 05, 2015 10:09 am    Post subject: Reply with quote

Brassneck wrote:

(Out of curiosity, I wonder if there's a way to muffle the blower/fan? Seems louder than other e-car conversions I've seen?)


My experience with fans cooling computer cabinets (circa 1973) is that if the mounts are not well insulated with thick rubber washers etc the panel they are mounted on will act as an amplifier.
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My 1958 Shorrock Supercharged Karmann Ghia
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dcat917
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PostPosted: Thu Aug 06, 2015 6:32 am    Post subject: Reply with quote

Thanks John for the kind words and the inclusion into the Instruction and Inspiration list. It is truly an honor.

I have never meet a group of car-nuts that would tackle projects as rusted as some of these and bring them back to life. Great skill sets here.
_________________
1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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dcat917
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PostPosted: Thu Aug 13, 2015 6:39 pm    Post subject: Reply with quote

Today I got the top painted to match the rims. My next door neighbor is a pro painter and shot it in a booth and baked it at 140 degrees F for 20 min. Here is a shot of the finished product.
Image may have been reduced in size. Click image to view fullscreen.

_________________
1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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CiderGuy
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PostPosted: Fri Aug 14, 2015 5:03 am    Post subject: Reply with quote

The car is eye popping ! Have you worked out all the little bugs ?
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Cars Currently Owned:

1970 Karmann Ghia Coupe
1973 Karmann Ghia Coupe - Project car for sale
1970 Karmann Ghia Convertible (Body off restoration)

Timing is everything
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dcat917
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PostPosted: Fri Aug 14, 2015 12:36 pm    Post subject: Reply with quote

CiderGuy wrote:
The car is eye popping ! Have you worked out all the little bugs ?
Thank you CiderGuy, the driveline is solid and I,ve learned a lot about the charging. I still need to install my GPS Speedo and put on the rear sway bars to complete the project.

Image may have been reduced in size. Click image to view fullscreen.

The car drives solid and smooth and tracks like on rails.

I will have to go back into the turn signal indicator and figure out why my horn beeps when I hit the Hi-beams but I'm saving that for last Very Happy
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1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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dcat917
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PostPosted: Sun Aug 16, 2015 2:40 pm    Post subject: Reply with quote

The new GPS speedometer is now installed and running. It really makes the dash pop:
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The trip meter will help greatly in calculating my range per charge.
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1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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Jarel Design
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PostPosted: Thu Aug 27, 2015 7:39 am    Post subject: Reply with quote

dcat917,

Richard here (You visited my thread seeking front beam info for my hybrid reverse trike project...)

WOW! what a fantastic job and GREAT build thread!!!!

You truly inspired me! Love you attention to detail and seeing that you obviously did a lot of research putting your EV drive system together! Smile

I began my EV research over at the DIY electric car website, knowing NOTHING! LOL! (I first started out wanting 24v, then 48v and finally learned enough to go up to 96v.) I'll also be using an AC motor with the Curtis controller.

I didn't know anything about frame design and found the Locost car website where I started learning from scratch there as well! LOL Learned (and I'm STILL learning) a lot!

I came here to Samba to learn more about widening the front beam to gain stability of a reverse trike layout... And so it goes.... on and on and ... LOL!

I need to redraw my plans and I'm starting out by building a wood and cardboard mock up of the cabin area using plywood scale Miata seats... I'll set up the roll bar, dash, steering wheel, pedals, shifter to figure out the feel for the ergonomics. then transfer the measurements to the new scale drawing... I'm "hoping" to keep the weight under 1,500 lbs with batteries.

Sure wish you were a local neighbor so we could share more!

Again, congratulations on your build. totally enjoyed reading your thread!

Thanks for posting it!

Best,

Richard
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dcat917
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PostPosted: Thu Aug 27, 2015 6:49 pm    Post subject: Reply with quote

Howdy Richard,

I wish we were closer, we seem to have similar taste and quest for knowledge. Like you I knew nothing about EV's and stumbled across a video by Richard Van?? at http://ev4unow.com/BugKitParts.html.

Started researching it and dove in. One of my next challenges is to learn a solid modeling program and start working on my scratch build design. One of my prior hobbies was RC Gliders. I would scratch build them working off the 3-view drawings. Then I would make a plug (rib and spare construction), then mold, and pull fiberglass parts out of the mold for my fuselages.

Good luck in your project, and keep me in the loop please. I'm restoring a Puma now, which has a fiberglass body and I should learn more about casting and fabrication from this project.
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1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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dcat917
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PostPosted: Fri Aug 28, 2015 7:12 pm    Post subject: 1971 Electric Karmann Ghia Project Reply with quote

These photos show the rain tray installation. The blue tubing is plastic conduit from Home Depot. It mounts with 3 self taping screws and 3 carriage bolts.
Painted the inside of the tray with Krylon Red
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Image may have been reduced in size. Click image to view fullscreen.

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_________________
1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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CiderGuy
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PostPosted: Fri Aug 28, 2015 7:57 pm    Post subject: Reply with quote

Clean install on the rain guard. Are you planning on adding a third brake light ? Even a LED strip inside the rear grill would be an easy and safer upgrade.
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----------------------
Cars Currently Owned:

1970 Karmann Ghia Coupe
1973 Karmann Ghia Coupe - Project car for sale
1970 Karmann Ghia Convertible (Body off restoration)

Timing is everything
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dcat917
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PostPosted: Fri Aug 28, 2015 10:56 pm    Post subject: Reply with quote

I may in the future, but right now, I think it's pretty much done. I'm driving it daily and working on my new project, the Puma GTB. I'm thinking I have about 8 weeks of good weather to work in the garage left this year.

I'm real happy with the way the project turned out, the range is about 45 miles on a full charge. It takes about 8 hours to charge at 13 cents per hour. The acceleration is not as intense as I had hoped for, but I may be able to change the throttle curve to compensate. The fan noise is no longer an issue. I have tweaked the thermostat so it only kick in above 40C and that takes about 15 min of run time, so on some trips it never goes on. When it is on, you really only notice it at stops. After you start moving, the noise from the tranny drownes it out. It's funny how in an electric vehicle you hear everything. Laughing Laughing
_________________
1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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dcat917
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PostPosted: Sun Aug 30, 2015 6:37 pm    Post subject: Reply with quote

Some shots from our local Cars and Coffee of the Ghia last week
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_________________
1981 Puma GTB http://www.thesamba.com/vw/forum/viewtopic.php?p=7794566#7794566
1971 Karmann Ghia http://www.thesamba.com/vw/forum/viewtopic.php?t=591290&highlight=
Past Projects:
1951 Studebaker Business Coupe https://goo.gl/photos/eHPuNo89m9PXZwBM8
1953 Studebaker 2-Door Sedan https://goo.gl/photos/pe38HEShzUrVSwcV8
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ivwshane
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PostPosted: Sun Aug 13, 2017 12:40 am    Post subject: Re: David Carter's Electric Ghia Project Reply with quote

This is a super late reply but I've decided to go electric for my ghia as well and I'm in the research phase.

First off congrats on completing your project!! Looks great.

Now that you've had the car for a few years, what have you learned? What would you change and what have you changed since completing the project?

Did you end up bottom balancing the batteries or did you end up getting a BMS?

Battery prices seem to have come down and I may be able to get my wish in terms of goals (90mph top speed, 60-100 mile range). Did you change your battery setup at all?

One thing I'm looking into and hope something will be available when I start my project is a multi speed transmission designed for electric motors. How has the stock transmission been?

Lastly, you mentioned that it didn't accelerate as fast as you had originally anticipated, what if anything could you have done to get better acceleration?
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