PHEV conversion kits for gen-1 ?

I have a 2001 Prius is there any PHEV conversion kits w/EV mode available for it ? Failing the availability of that I might want to convert the car to to all electric but I've never found anything even written on the subject which is strange because it seems like it would be the optimum electric car w/motor-drivetrain base to start from. There's allot of research into traction motors being built into the wheels of electric cars which if at some time in the future becomes available as a kit it might make for the simplest conversion.

 

I think the way to do it is to replace the entire hybrid electrical system with among other things a Siemens AC 3 phase programmable controller for the traction drive motor (OEM Prius motor). After looking at pictures and drawings of the transaxle I could be wrong but I think everything but the planetary ring gear part of the planetary power split device should be removed and as much of the generator-starter you could remove should be taken out since it's not needed in a EV car.

One problem would be physically supporting the transaxle without an engine a simple solution would be to remove everything from the engine block to reduce weight except the front engine mount. In my case because my engine is in good condition I'd first remove the engine-transaxle from the car, unbolt and separate the engine from the transaxle, disassemble the transaxle to remove the parts described above and reassemble it, get another engine from a salvage yard, take everything off that engine and bolt the block onto the old transaxle.

5/16/08 update: I was in error about the Siemens motor controller and it probably wouldn't work with the Prius's traction motor even though it's programmable to work with different motors and is compatible with that kind of motor.

 

Another way is connecting the engine transmission shaft directly to the planetary ring gear to be run 100% by a non Prius traction motor and removing as stated before the hybrid electrical system and additionally the two motors MG1 and MG2.

See the attached picture;
In the upper left is a sideways and cutaway view of the planetary power split device and to it's right is a front view of it. Next upper right is the same planetary power split device with all the planetary parts removed except the outer ring gear and a custom made part. the "custom made part" would be made to fit inside the ring gear so when the engine/EV motor shaft that it's fitted onto is turned by the EV traction motor would also drive the cars wheels through the ring gear. Next in the lower picture the EV motor is bolted onto an adapter plate which is bolted to the transaxle that also connects the EV motor shaft to the transmission's original engine input shaft. The substitute engine transaxle support was my idea of what that would look like.

About EV traction systems like the Siemens, unless you could get it to work with the Prius motor I wouldn't go with that type (AC 3 phase) now because that would lock you into a old battery technology which is probably due to be improved in the semi near future, in addition it's too expensive, for the cost of a new motor and controller of that kind alone you could buy a used Prius.