EV 914's Options

[raynekat]

Whether you like 'em or not....they are definitely a wave of the future.
Not sure what I think about the whole idea myself.

Still have the rear luggage boot which is nice.

It's pretty slick the bolt in rear cradle that holds some of the batteries, Tesla motor, cooling, etc.

The "custom" look is pretty bad as to me.

https://www.youtube.com/watch?v=hJTNsH-SIqk

[930cabman]

One of my favorite parts of the 914 is the light weight. Batteries and light weight are not a fit.

The technology is at least a bunch of years away until EV's can compete with our time tested IC engines

[bbrock]

One of my favorite parts of the 914 is the light weight. Batteries and light weight are not a fit.

The technology is at least a bunch of years away until EV's can compete with our time tested IC engines

Hmm, the last 8 Le Mans winners were EV hybrids using Lithium ion batteries. Seems they can compete in at least some respects.

And again, review the examples we are talking about here. Dump part of the front battery pack and move what you can into the fuel tank compartment and you have a lightweight 914 that weighs no more than a stock six with probably a little over 100 miles of range that will smoke most ICE configurations we've stuffed into these chassis.

I'm not an EV fanboy and think they have some improvements to make before an EV will be parked in my garage, but the technology has a lot to offer even today. These two cars in particular check a lot of boxes.

[Superhawk996]

And again, review the examples we are talking about here. Dump part of the front battery pack and move what you can into the fuel tank compartment and you have a lightweight 914 that weighs no more than a stock six with probably a little over 100 miles of range that will smoke most ICE configurations we've stuffed into these chassis.

@bbrock

I think you missed the part where I was super generous with my package assumptions and said let's ASSUME we can package 62L of battery with 100% package efficiency.

I made no allowance for Battery Management System, battery cooling loop plumbing, high voltage wiring, and power electronics.

You will get nowhere near that battery capacity I calculated in the that fuel tank compartment in REALITY

Take a look a the Beetle picture closely. You'd be lucky to fit 2 of those battery modules in the volume available for the fuel tank. So maybe 10 KWh of battery capacity with only 80% of that being usable (IMG:style_emoticons/default/shades.gif) You will get no where 100 miles of range on batteries that only take up the fuel tank compartment on current battery technology . Oh, and take a look at the weight of the Beetle battery pack -- I was also super generous with the weight estimate too (IMG:style_emoticons/default/laugh.gif)

You will not keep the dynamic handling character of a 914 with an EV conversion.

You're reference to LeMans is an apples to oranges comparison. I don't deny that a purpose designed EV racer can do well w.r.t. handling given the batteries will be packaged for low Cg and centralized mass . . . a cobbled 914 EV conversion is another story and the handing WILL be degraded because of the physics and the realities of where we are w.r.t. battery technology.

Seems the boundless optimism is creeping in. (IMG:style_emoticons/default/grouphug.gif)

[bbrock]

I think you missed the part where I was super generous with my package assumptions and said let's ASSUME we can package 62L of battery with 100% package efficiency.

Watch the video again. These cars have 52KWh of batteries. Twenty-six KWh are in the frunk and 26 KWh in the engine bay. The drive train PLUS rear battery pack and cooling is roughly the weight of a six cylinder engine and transmission according to the vid. Just dump the front pack altogether and you are already close to, or exceeding 100 mile range by your calculations. Now let's add whatever batteries to the fuel compartment we can to equal the weight of a full fuel tank. Your calculations indicate you get about 12KWh in 44.6 Kg of batteries that would approximate the weight of a full gas tank. Let's knock that down to 10KWh to allow for the electronics that are already in the fuel compartment. That's an extra 42 miles of range by your calculation. So we would be looking at what, 120-150 miles of range without adding any weight? I could have some fun with that.

It isn't optimism. It's just doing some math on what has already been built.