Motor choice, many projects I found on line (see Reference designs) had used the Advanced DC 9 inch and it appears to be a very popular choice. Some other projects mentioned using a motor from Netgain have a motor called the War P 9. This motor is designed to be drop in replacement for ADC 9”, aside from have a badass name the specifications look very attractive, and it definitely looks like a step up from the ADC motor.

Netgain War P 9 “Engage the warp engine…”

!!!Specifications

Diameter: 9″ Length: 14.69″

Actual Weight: 135 Lbs.

Voltage upto: 196V HP at 89v: 28 hp

Netgain offer 2 versions, the War P 9 and the War P 9 Im Pulse, the Im Pulse is slightly cheaper (about $75 less) and offers a single shaft output, verses a double shaft on the Warp 9. The tail shaft is useful if you plan to run A/C compressors, etc.

http://www.go-ev.com/WarP.html#WarP_9

So I’m farily set on the motor (and not just because it has a cool name, although that does play a small part… *childish giggle*).

!!!Price check on retailers

(Correct as of August 15th 2008)

|!Company|!Model|!List|!Shipping|!Total|

|Net Gain (MSRP)|War P 9 impulse|$1,675.00|n/a|n/a|

|Cloud Electric|War P 9 impulse|$1,799.95|$ 82.86|$1,882.81|

|evsource.com|War P 9 impulse|$1,650.00|$ 210.00|$1,860.00|

|electricvehiclesusa.com|War P 9 impulse|$1,620.00|$ 123.49|$1,743.49|

As you can see from the prices most retailers are within a narrow range, my choice of component supplier is going to be driven by finding someone who can supply all the components give good pre and post sales support – not necessarily the lowest up front cost. Given this is my first project I will need all the help I can get and don’t want to fall into a trap with mismatched components and like to be able to leverage other experience in being successful.

!!!Journal entries

2009 06 05 – Ordered motor from http://www.grassrootsev.com

2009 06 17 – Motor arrived -ahhh…

2009 09 26 – Bench testing

2009 10 05 – Bench testing with transmission mounted!

2009 10 18 – Motor fitted