[onegreenev]

Well I finally got my Kostov mounted up to the VW. Without the fan there is plenty of room. I have my Synkromotive connected and the portable controller board finished up. I am having a Aux voltage issue but besides that things are ready to go. My controller needs 11.6 volts minimum and my battery is producing 12.6 volts right up to the connector point. I still have one place to check connection and my ground is good and solid. It is the only thing at the moment. I am stoked and can't wait to get it on the road. I will find the amiss item and get it working properly once again. It was last used in the Electric MG with no issues. The computer is saying the controller is only seeing 10.4 volts. Not enough to start the car. The controller will not work unless it sees at least 11.6 volts.

Pete

Video to come. Here is a quick shot of the motor installed. It was the simplest install I have done to date. I put it in from above so I did not need to jack the car up. Sweet.

[onegreenev]

The Bug is now up and running. Well, Currently charging the battery but it is ready to go. I did a quickie little drive that was successful but with an empty pack and voltage limiting it was quite sluggish. It is only 72 volts so I don't expect too much for too long. A 7.2 kWh pack is not expected to do much. I am pleased to report that the issue of piss poor voltage to the controller was a ground not connected that I thought was connected. Once fixed it worked perfectly as it should. Now to charge and drive. I won't be driving until tomorrow afternoon.

Pete

Video is in the making but won't be finished until a good couple runs. Then we bump to 144 volts.

[Ziggythewiz]

Sounds good Gotta love glitchy grounds.

[onegreenev]

Originally Posted by Ziggythewiz

Sounds good Gotta love glitchy grounds.

Well it was not the normal glitchy ground. It was more like I did not connect it up properly. No big deal but a small item that is usually the issue. Usually something totally stupid. But it is done fixed. I am no stranger to VW glitchy grounds. I know them well. I just had someone at work ask about converting to 12 volts on an old original 6 volt and I asked him why. His response is because the 6 volt systems are usually too weak. I said not a chance. I said get your ground connections in order and keep the original 6 volt system. Nothing wrong with them. They are reliable and work just fine if you have good solid connections without corrosion. REALLY.

Pete

[onegreenev]

Here is a few more photos to add to the post. I have connected every thing up and even taken a little drive. But I am currently charging the pack for the drives tomorrow after work.

[onegreenev]

I successfully implemented a 4 cell 100AH Hi-Power battery pack for my Aux battery during low voltage testing. No more controller shutting down due to crappy lead acid batteries. Being the car is only set at 72 volts I can't expect much. The car has fat tires and not good LLR tires and a bone stock VW Transaxle and that is not best suited in stock form for a high torque electric motor. In first you can forget driving unless you really slip the clutch. You can't start in 1st or 2nd with motor engaged because the torque is so high the car just jack rabbits real hard. Like it is going to just fall apart. If I feather the clutch it works fine but I use 1st and 2nd real fast. It starts in 3rd real easy and without any rabbiting. So even at 72 volts the torque of the Kostov and the gearing of the stock tranny anything but 3rd is really out of the question. I plan on bumping to 192 volts here in the next week or so.

Now its time to connect up the little things. Like AH counter and fuel gauge and such. Time to also remove the fuel tank from the bug. Hauling around unneeded weight. Never removed it when I took the engine out. Time to empty it and put it into the SUV.

[Ziggythewiz]

Lookin good. Is that a K9 or 11?

[onegreenev]

Originally Posted by Ziggythewiz

Lookin good. Is that a K9 or 11?

It's the Old 11" with inter-poles. Amazing how much torque even at 72 volts. Too much for the poor stock tranny. For sure having better gearing would help. I hope to have my new tranny mounted in my Roadster soon. Gotta take the body off to repair the pan. That is why I am using the 66 Bug for now. I want skinny tires for the Bugs.

The old model 11" is not the high voltage but I am going to pump in 156 volts with a 192 volt pack. If it does not like that I will advance it some and try again. It is currently advances some already. Interpoles will help a bunch for the high voltage. The Kostov does not like high amperage. I will limit it to 800.

I also have a stage II pressure plate in the Bug. That is one stiff pressure plate.

[Ivansgarage]

From onegreenev pete
Topeka Truck

Quote:
Kevins truck at topeka electric
motor is proof you dont need 300 volt and 500 amps.
His truck with 72 volts and 360 amps will NOT drive like it has a V8 under the hood. More like a golf cart. I currently have 72 volts and 800 amps in my 66 VW Bug and it has excellent torque but speed is just garbage and won't exceed 50 mph. Now I could get it to do better with better tires but the performance is not even up to par with a 1200cc VW engine let along a V8. I have talked with him and I can assure you its not V8 like in any way. Its a slug but it shows you can build a usable vehicle with only 72 volts. I recommend 120 volts minimum. I have been down the 72 volt and 96 volt and 120 volt road already and know first hand what they will do. And mine have been VW's and an MG Midget. Can't imagine what a slug it would be in a TRUCK. We are going to go with 185 volts in the 66 Bug and 850 amps. Then it will scream V8 like.

Even at 120 volts that truck won't be V8 like. It will go and be better than at 72 volts but it won't be anything to write home about.

Pete

Pete I dont think you have a clue of what you are talking about
I was there and went for a ride in Kevins truck, we went for a ride
and jumped on the freeway and where up to 70mph by the time we
hit the freeway. Just because you built a slug (low voltage DC)
I dont believe you talked with Kevin and he said it was a slug..

[onegreenev]

Well thanks a bunch for posting in public a private message. Yes the vehicle in the state in which you may have driven it was not a 72 volt 350 amp system. NOT A Fing chance and YES I did have dialog with him about his vehicles. I am fully aware of what has been done and what has been changed.

NO FRIGGING WAY WOULD A 72 VOLT SYSTEM AT 350 AMPS BE ON PAR WITH A V8 ENGINE.

I have built two EV's and testing our third and own a Leaf. YOU?