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Search: Posts Made By: RedLS6
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Forum: C8 ERay/Hybrid/EV Discussion
04-18-2024, 07:45 AM
Replies: 28
Views: 1,313
Posted By RedLS6

It appears that the E-Ray does have an...

It appears that the E-Ray does have an alternator, and previous GM slides for the E-Ray indicated a dc-dc converter which down-converts the 300V to 12V for the 12V system.

Other manufacturers...
Forum: C8 ERay/Hybrid/EV Discussion
04-16-2024, 02:11 PM
Replies: 24
Views: 940
Posted By RedLS6

I'm curious where you heard this, since the dyno...

I'm curious where you heard this, since the dyno link belt "sees" the same load in Charge+, as it would in normal operation in a case where the rear wheel power is higher than the front wheel power.
Forum: C8 ERay/Hybrid/EV Discussion
04-16-2024, 09:00 AM
Replies: 34
Views: 1,729
Posted By RedLS6

You sir would be correct, I missed that in the...

You sir would be correct, I missed that in the video. Would still love to see the Dragy here to see how much of a dip in the G's there are.
...
Forum: C8 ERay/Hybrid/EV Discussion
04-16-2024, 08:06 AM
Replies: 34
Views: 1,729
Posted By RedLS6

Who would have ever thunk it? :D In all...

Who would have ever thunk it? :D

In all seriousness, it would be nice to see the Dragy g's right at this spot to see how quickly the electric traction control applied power back when it landed....
Forum: C8 Z06/ZR1/Zora Discussion
04-11-2024, 06:41 PM
Replies: 288
Views: 19,302
Posted By RedLS6

With the flow they're achieving on the dohc...

With the flow they're achieving on the dohc heads, 800+ hp will be relatively easy to achieve on low boost whether it's CPC or FPC. I don't see their power target being under 800hp. There are...
Forum: C8 ERay/Hybrid/EV Discussion
04-11-2024, 10:41 AM
Replies: 111
Views: 4,446
Posted By RedLS6

If it's a decent battery it should lose 1-2% of...

If it's a decent battery it should lose 1-2% of its voltage going from 80% down to 40-30% and increasing past that, so this isn't a huge impact by itself but it is an impact - and I don't think we...
Forum: C8 ERay/Hybrid/EV Discussion
04-11-2024, 08:37 AM
Replies: 111
Views: 4,446
Posted By RedLS6

No - for the purposes of understanding the...

No - for the purposes of understanding the various motor power losses. I'm just saying that even if the E-Ray had an infinitely large battery with no voltage drop, the motor would still lose power on...
Forum: C8 ERay/Hybrid/EV Discussion
04-11-2024, 07:28 AM
Replies: 111
Views: 4,446
Posted By RedLS6

This guy makes the mistake of dynoing in 5th...

This guy makes the mistake of dynoing in 5th gear; then he does a 4th gear pull, then 3rd; results are about as expected as the power picks up slightly in 3rd probably due to motor back-emf being...
Forum: C8 Tech/Performance
04-04-2024, 02:54 PM
Replies: 23
Views: 1,267
Posted By RedLS6

It's right on the edge. Now that Callies has...

It's right on the edge. Now that Callies has developed the crank, I'd expect other builders to begin offering a similar package. It's pretty similar to their 8-counterweight Magnum cranks except...
Forum: C8 Tech/Performance
04-02-2024, 10:40 AM
Replies: 23
Views: 1,267
Posted By RedLS6

Their dyno graph is hokey, curves cross in the...

Their dyno graph is hokey, curves cross in the wrong spot. Unless they separated the vertical axes right and left for tq/hp. I went to their website and see the same thing.
Forum: C8 ERay/Hybrid/EV Discussion
04-01-2024, 04:13 PM
Replies: 38
Views: 2,287
Posted By RedLS6

Was talking to a buddy here about the E-Ray dyno,...

Was talking to a buddy here about the E-Ray dyno, and he pointed out that he suspected the E-Ray's electric motor was being driven to put out more than its 125 ft-lb rating. I think it's putting out...
Forum: C8 Tech/Performance
03-31-2024, 09:15 PM
Replies: 23
Views: 1,267
Posted By RedLS6

Would be nice if they posted sae numbers -

Would be nice if they posted sae numbers -
Forum: C8 ERay/Hybrid/EV Discussion
03-31-2024, 02:16 PM
Replies: 75
Views: 3,542
Posted By RedLS6

You have the instant center low and below the...

You have the instant center low and below the anti-squat line so you're getting the benefit of a little extra rear traction on launch I think? Corvettes usually have a good amount of anti-squat/dive...
Forum: C8 ERay/Hybrid/EV Discussion
03-27-2024, 09:49 AM
Replies: 128
Views: 7,555
Posted By RedLS6

I would agree in general, but it's interesting to...

I would agree in general, but it's interesting to check the battery sizes on 8 of the 9 other cars on that list ;)
Forum: C8 ERay/Hybrid/EV Discussion
03-26-2024, 06:13 PM
Replies: 128
Views: 7,555
Posted By RedLS6

Would be a great question for Ask Tadge, although...

Would be a great question for Ask Tadge, although he may not want to give away anything. All of this was originally developed for stability and traction control, then the automakers realized they...
Forum: C8 ERay/Hybrid/EV Discussion
03-26-2024, 03:15 PM
Replies: 128
Views: 7,555
Posted By RedLS6

Dragy uses the GPS system, and even though it's...

Dragy uses the GPS system, and even though it's only 10Hz they claim (1/100)-second accuracy. The GPS chip that they use in the Dragy can position within a few centimeters so I think they are both...
Forum: C8 ERay/Hybrid/EV Discussion
03-25-2024, 07:22 PM
Replies: 128
Views: 7,555
Posted By RedLS6

I think the biggest benefit of a larger battery...

I think the biggest benefit of a larger battery would be in the ability to have a full-electric mode outside of Stealth, which is very limited. It's apparent they placed weight as a very high...
Forum: C8 ERay/Hybrid/EV Discussion
03-25-2024, 11:25 AM
Replies: 128
Views: 7,555
Posted By RedLS6

Good question and I'll say contrary to what I...

Good question and I'll say contrary to what I just posted above, they could play some games with the inverter and state-of-charge to give it a little boost. There are so many control algorithms and...
Forum: C8 ERay/Hybrid/EV Discussion
03-25-2024, 10:56 AM
Replies: 128
Views: 7,555
Posted By RedLS6

There's definitely more battery voltage available...

There's definitely more battery voltage available at 100% charge, maybe a couple of percent more. This isn't guaranteed to produce more torque at launch, because they may be using a constant-current...
Forum: C8 ERay/Hybrid/EV Discussion
03-24-2024, 02:21 PM
Replies: 128
Views: 7,555
Posted By RedLS6

May be. On the first second or so of launch,...

May be. On the first second or so of launch, when the engine is held at constant rpm and the DCT is slipping the clutch(s), only a percentage of the engine's torque make it through the DCT clutch to...
Forum: C8 ERay/Hybrid/EV Discussion
03-24-2024, 09:25 AM
Replies: 128
Views: 7,555
Posted By RedLS6

I don't know this for a fact, but I'd expect that...

I don't know this for a fact, but I'd expect that on an aggressive foot-brake launch, the DCT only uses the first gear clutch; and with launch control, both clutches are used. Anyone know for sure?...
Forum: C8 ERay/Hybrid/EV Discussion
03-23-2024, 05:48 PM
Replies: 27
Views: 1,810
Posted By RedLS6

For sure, handling dynamics at the limit can...

For sure, handling dynamics at the limit can easily change. Will definitely be able to break the rear loose with less throttle, question is how quickly can the factory system respond including...
Forum: C8 ERay/Hybrid/EV Discussion
03-23-2024, 04:35 PM
Replies: 27
Views: 1,810
Posted By RedLS6

You're thinking about the case where, say at WOT...

You're thinking about the case where, say at WOT just for example, the electric motor is commanded to produce full torque, maybe 200 ft-lb, and the stock LT2 is commanded to produce its full 465...
Forum: C8 ERay/Hybrid/EV Discussion
03-23-2024, 10:36 AM
Replies: 27
Views: 1,810
Posted By RedLS6

:yesnod: Parallel hybrids like this also...

:yesnod:

Parallel hybrids like this also have some slack here and can absorb "some" torque variations here , they need to since ICE torque outputs vary differently than do electric motor torque...
Forum: C8 Z06/ZR1/Zora Discussion
03-23-2024, 10:16 AM
Replies: 23
Views: 1,190
Posted By RedLS6

Nice videos B -

Nice videos B -
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