In a message dated 9/12/2013 3:10:07 PM Mountain Standard Time,
[email protected] writes:
> Subj:Re: [EVDL] LiFePO4 Questions
> Date:9/12/2013 3:10:07 PM Mountain Standard Time
> From:[email protected]
> Reply-to:[email protected]
> To:[email protected]
> Received from Internet:
> Sorry about this list.Dennis Berube
>
>
> In a message dated 9/12/2013 9:02:25 AM Mountain Standard Time,
> [email protected] writes:
> >Subj:Re: 11" ge
> >Date:9/12/2013 12:12:09 PM Mountain Standard Time
> >From:[email protected]
> >To:[email protected]
> >Received from Internet:
> >
> >Wayne,
>
> lol here ! The armatures I do have the comms.GROUND not turned on a lathe
> so in order to have that perfect grind (helps eliminate micro brush
> bounce)one most have true centers on the armature shafts.Centers off
> bearing inner
> race.Then comes the balance.
> They could not make the centers more true! Will they have to take the
> motor
> apart?
>
>
> >
> >Dennis,
> >
> >I have drooled over Ken's build many times. What a beauty of a build.
>
> > When he gets it finished up, it should be quite a performer,
> especially
> >with two of your motors in it.
> >
> >I bought my first conversion kit from Ken's company, although after
> Wistar
> >took it over. After two years of driving my wimpy 90 hp commuter, I
> >realized that I needed to replace it with a tire smoker.... which is why
> we
> >are now talking ;-)
> >
> >I am close to a decision to purchase the motor from you, but need to let
> >my better half know about the plan and then allocate funds. Shouldn't
> be
> >a problem.
> >
> >I am also speaking with a machine shop that can make the custom adapter
> >and shaft coupler. One comment/question they have is: "Hopefully the
>
> >motor you are considering has a good means of locating the centerline as
> that
> >is very important with our rigid coupler." Can you please comment
> here?
> >
> >I might have you ship the motor to them directly for obvious reasons.
> >
> >Thanks again for all of the discussion. I will be in touch in the
> next
> >few weeks...
> >
> >Regards,
> >Wayne
> >
> >
> >
> >On 9/12/2013 8:23 AM, [email protected] wrote:
> >
> >>>In a message dated 9/11/2013 8:24:51 PM Mountain Standard Time,
> >>[email protected] writes:
> >>
> >>A tranny would not hurt(Ken Koch from KTA fame put a tranny behind the
> 2-
> >>11 inch motors I built for him.That project is almost finished.You are
> on
> >>the edge though with your weight as to not needing one.I do also like
> the
> >>advantage of reverse and park.At some point NHRA MAY(my opinion
> >>only)demand no direct drive(in case motor comes apart and locks
> up)direct drive
> >>could lock up the rear tires.A short shift (about 2300 rpm) will work
> great
> >>with this motor.Yes your 1st 300 feet will be quicker with a tranny.!
> >>
> >>
> >>
> >>>>>My goal for the car is both street and track, would you recommend
> >>>using the powerglide or going direct drive?
> >>>
> >>>I am leaning towards the powerglide, in part for reverse, park, and to
> >>>eliminate the reversing contactors , but mostly for that lower gear to
> >>>start out.
> >>>
> >>>Should be easier on the motor for casual driving, and make for a harder
>
> >>>launch at high power, right?
> >>>
> >>>Thanks for all of the discussion and the numbers.
> >>>
> >>>Much respect for your accomplishments and expertise Dennis.
> >>>
> >>>Wayne
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>[email protected] wrote:
> >>>
> >>>In a message dated 9/11/2013 7:22:16 AM Mountain Standard Time,
> >>>[email protected] writes:
> >>>>>>>Subj:Re: 11" ge
> >>>>Date:9/11/2013 7:22:16 AM Mountain Standard Time
> >>>>From:[email protected]
> >>>>To:[email protected]
> >>>>Received from Internet:
> >>>>
> >>>>I only have a 65 cfm on my 13 in. in the S10,but I would like to see a
>
> >>>>temp sensor on the field coils no matter how many cfm you have.ALL the
>
> >>>>9,11,13 inch ect motors out there will get hot with hard long heavy
> >>>>repeated loads.
> >>>
> >>>So with that size tire and a 3.28 ratio,the speed of the motor (direct
> >>>drive)at 120
> >>>>>>>mph would be 5237 rpm.280 volts will give you a solid push at motor
>
> >>>>voltage of 200.2000 amps on this lower voltage motor should give you
> >>>>plenty of bottom end.I would give your 1400 a chance though.
> >>>>
> >>>>Dennis,
> >>>>
> >>>>The tire height is about 25 1/4 inches on the rear tires that I plan
> to
> >>>>run. Goodyear G-Force Super Sport drag radials 315/35-17.
> >>>>
> >>>>I am already running an external motor blower on the HV, it's a dayton
>
> >>>>176 cfm unit. Would that be enough air?
> >>>>
> >>>>The my powerglide has a 1.76 low gear.
> >>>>
> >>>>I also plan to increase pack voltage from 240 to 280 over the winter,
> >>>>and am considering replacing the 1400A Netgain controller with a Zilla
> HV
> >>>>2k or a Shiva, although that may be the following winter to spread out
>
> >>>>the costs.
> >>>>
> >>>>Lastly, the car is about 2310 lbs with me in it...
> >>>>
> >>>>Thanks,
> >>>>Wayne
> >>>>
> >>>>
> >>>>On 9/10/2013 8:35 AM, [email protected] wrote:
> >>>>
> >>>>In a message dated 9/9/2013 8:11:42 AM Mountain Standard Time,
> >>>>[email protected] writes:
> >>>>Wayne,
> >>>
> >>>
> >>>
> >>>I have run a 11 incher all the way to 6700 rpm in my dragster with this
>
> >>>same comm.But its nice Pull zone was from 50 rpm to 4400.The dragster
> is
> >>>about 1200 lbs with me in it.It had the Zilla HV 2k with a 391 volt
> >>>lithium tinate pack.Its run 7.91 et at 160 mph with a mid 2 something
> gear
> >>>ratio.I like to see a 5500 as absolute max but I know Shawns Rocket
> bike has
> >>>run to 10000 in a burnout with my 13 inch motor.
> >>>
> >>>A 3.28 could work.What is your tire height?These motors need external
> >>>blowers as I removed the fan for drag racing.
> >>>
> >>>2100 lbs is a tad heavy but these motors do make a LOT of torque
> >>>compared to a HV motor.
> >>>
> >>>>>>>Dennis,
> >>>>
> >>>>I went to Loring this summer to watch the land speed runs. In a
> >>>>future year, I'd like to bring the Cobra there, but need to gear it a
> lot
> >>>>higher first. I'm only geared for about 110 mph max if I stay
> within
> >>>>netgain's recommended rpm limit.
> >>>>
> >>>>At the moment it's a 4.1 rear end, but I would plan to make it 3.08
> >>>>when the two speed tranny gets added.
> >>>>
> >>>>One of the problems I face (apparently) with the Warp 11hv and direct
> >>>>drive (according to George H.) is that my 2100 lb car is too much of a
>
> >>>>'heavy load' on the motor when starting from a stop, and the 4" dia.
> comm
> >>>>won't take as much heat as the 5" in the regular warp 11.
> >>>>
> >>>>Can I assume that this is not the case with one of your GE 11 motors,
>
> >>>>that the 2100lb car is not too heavy of a load?
> >>>>
> >>>>If so, can I use your motor and go to a 3.08 rear end with direct
> >>>>drive? Or would you recommend something in between like a 3.28?
> (not
> >>>>sure on all available gear ratios, but it's a Ford 8.8).
> >>>>
> >>>>Also, what do you recommend for max RPM on your motors?
> >>>>
> >>>>I am leaning towards just using your motor as a direct drive
> >>>>replacement if I can gear the rear end for a higher top speed, and
> would come up
> >>>>with another plan for the powerglide. Given what you said about
>
> >>>>the cost of re-machining the shaft, it might be easier to just have a
> new
> >>>>shaft coupler made to fit your output shaft.
> >>>>
> >>>>Thanks,
> >>>>Wayne Krauth
> >>>>
> >>>>
> >>>>On 9/9/2013 8:11 AM, [email protected] wrote:
> >>>>
> >>>>In a message dated 9/2/2013 5:13:06 PM Mountain Standard Time,
> >>>>[email protected] writes:
> >>>>Hi Wayne,
> >>>
> >>>
> >>>
> >>>Sorry for the late reply.Ge 11 inch motors have come with Many
> different
> >>>output shafts.So I would have to find what you need or mod.yours.I
> >>>suppose we could try to push out the shaft and machine a copy of
> yours,but
> >>>these are all very expensive options.
> >>>I lived at Loring AFB underground for over a year.
> >>>Dennis
> >>>
> >>>>>>>Dennis,
> >>>>
> >>>>I would be looking to hook up the motor to a transmission that I
> >>>>already have, which includes shaft and motor coupling. The specs
> for
> >>>>transmission are to mate with a Warp 11 motor. The shaft size you
> list
> >>>>below is different and will not work with the transmission.
> >>>>
> >>>>Can you build a motor that has the same output shaft dimensions as the
>
> >>>>warp 11?
> >>>>
> >>>>Also, how much does the motor weigh?
> >>>>
> >>>>Thanks,
> >>>>Wayne Krauth
> >>>>
> >>>>
> >>>>
> >>>>On 8/25/2013 3:15 PM, [email protected] wrote:
> >>>>
> >>>>In a message dated 8/25/2013 11:28:45 AM Mountain Standard Time,
> >>>>[email protected] writes:
> >>>>Subj:11" ge
> >>>>Date:8/25/2013 11:28:45 AM Mountain Standard Time
> >>>>From:[email protected]
> >>>>To:[email protected]
> >>>>Received from Internet:
> >>>>
> >>>>
> >>>>
> >>>>Hi Dennis,
> >>>>
> >>>>I saw your post on NEDRA this morning with some motors ready to go.
>
> >>>>
> >>>>I had contacted you about 3 years ago, but decided to go with a
> NetGain
> >>>>
> >>>>11" HV motor instead. What can I say. We all make mistakes.
> >>>>
> >>>>After 1000+ miles of break-in with gradual power increases, it is
> still
> >>>>
> >>>>not handling full power very well. I think it's arcing as there is a
>
> >>>>'thud' sound with a momentary interruption of torque when running at
> >>>>1200+ amps.
> >>>>
> >>>>My car is set up with the single 11HV and direct drive. It's a 2100
>
> >>>>lb Cobra replica, running a netgain controller at 1400A with an A123
> >>>>pack at 240V.
> >>>>
> >>>>I have decided to add a two-speed powerglide transmission, which is
> >>>>just
> >>>>now being completed by KansasEV. They are building it so it's ready
>
> >>>>to couple up with an 11" Warp motor. This winter, I plan to
> >>>>replace
> >>>>the 11HV, and add the trans. The 11HV has a different DE shaft
> than
> >>>>
> >>>>the regular 11, so won't hook up to the EVGlide, which is another
> >>>>reason
> >>>>I am going to change it.
> >>>>
> >>>>So I have a few questions about your GE motors.
> >>>>
> >>>>- Your post said race built, is there any down-side to using it for
> >>>>street driving? The goal for the car is both street and track.
> >>>>- Is your GE 11 the same as a warp 11 in terms bolt patterns for
> >>>>mounting the adapter plate, and also for the drive shaft coupler?
> >>>>- Is there a shaft on the other end for mounting a tach sensor?
> >>>>- What would you recommend for the highest motor voltage setting?
> >>>>- Price?
> >>>>
> >>>>Regards,
> >>>>Wayne Krauth
> >>>>Steep Falls, Maine
> >>>>evalbum.com/3567
> >>>>
> >>>
> >>>Hi Wayne,
> >>>The ges drive faceplate has 7 mounting holes but I think my machinest
> >>>had added 2. The drive 25 spline shaft is 1.621 on the outside and
> 1.491 on
> >>>the bottom of spline.The front smaller spline is 1.128 on the outside
> >>>and 1.030 on the bottom of the spline.
> >>>The brushes that are in these are a little softer than my street
> >>>brushes.You will only get about 6 or 7 thousand miles of street
> driving.
> >>>These are not my hi voltage motors so your MAX on the motor terminals
> >>>should be limited to 200 volts and 2600 amps.
> >>>MANY things are different between my hand built motors and a production
>
> >>>motor.
> >>>How long do you run it at hi currents(1200)
> >>>What is your gear ratio and tire height?
> >>>$4700 for the motor
> >>>$375 for a 1350 output yoke installed on output shaft.
> >>>+shipping
> >>
> >>
> >
> >
>
>
>
>
> Subj: Re: [EVDL] LiFePO4 Questions
> Date: 9/12/2013 9:02:25 AM Mountain Standard Time
> From: [email protected]
> Reply-to: [email protected]
> To: [email protected]
> Received from Internet:
>
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