(A bit rambly post but wanted to drop down my thoughts before I forgot to post.)
For those not familiar, lapping is "at speed" / high speed track driving but cooperative -- coordinated passing -- with no racing or timing.
On rainy days, the acceleration limiter isn't really much of a problem at the track for me. Perhaps it's because I'm still in the early days of building up experience. Perhaps it's because I really don't want a 5-digit repair bill (or car replacement) on any track day ever. But let's talk about sunny days...
I've driven the following tracks in lapping sessions:
1. The Ridge (Shelton, WA) - P85, P85D, P85D
2. Pacific Raceways (Kent, WA) - P85
3. PIR (Portland, OR) - P85, P85D
4. ORP (Grass Valley, OR) - P85, P85D, P85D
5. Laguna Seca (Monterey, CA) - P85, P85D
For all 5 in the P85, it's very easy to reach the first acceleration limiter (160 kW, "half power") within 2 laps -- even with 80+% SOC. If you "take it easy" (regen setting at low, coast in the straights, take corners at speed) you can avoid the limiter for 3-5 laps -- perhaps even a full 20+ minute session.
With the insane-flavored P85D, the first ("half power") limiter comes much later (within 4 laps) for me when pushing the vehicle. Also, it's much less punishing -- 240kW is less "limpy" than 160kW. If you continue to push it, the second limiter (25%) will arrive -- and it feels like Valet Mode. I try to avoid it as much as possible. Knowing all of the above, I tend to use the same "take it easy" approach as with the P85 but have "a little more fun" on the straights -- accelerate some, just not full out -- which buys me a full session of "at speed" just not "at Insane speed".
Now let's talk about Ludicrous. The first ORP event I had a lot going on in my head (new group, telemetry distraction, other RL stuff) so I wasn't really going all out. The next event was at The Ridge and was wet -- not always raining, but always a wet track. Finally, back at ORP this weekend it was beautiful. Dry the whole time. Sunburn...well that part sucks. Anyway, where was I ... oh right, dry and pretty. Clockwise on Saturday (not my first time) and counterclockwise on Sunday (my first time). Both days, I did set the regen to Low but otherwise drove it without regard for the limiter -- until I felt the limiter. The good news: I didn't see the limiter at all until SOC was below 50%. That's better than I expected by a long shot. Note that on Sunday I didn't "go nuts" on the downhill of Valkyrie (it's still a bit intimidating) but I did push it pretty heavy on the 1-16 straight much of the time.
One more note... "How was traffic? Was that giving the car some breathing room?" On Sunday, no. For 3 of the 4 sessions, I lined up first in grid and was free for nearly 2 laps before executing a few passes; traffic wasn't really an issue. For the 4th session, I lined up behind a friend and we immediately hit traffic -- that cleared within the 2nd lap; after the 2nd lap traffic was a non-issue.
A second note... "How much range is used per session?" The most aggressive 25 minute session used ~100 rated miles. It's a 2.3 mile course and I think we were getting about 10 laps per session -- though I didn't actually count the laps. IIRC, the energy app was reporting a little over 1100 Wh/mi. pretty much steadily so ...
(a) (1.1 kWh/mi) * (2.3 mi) * 10 = 25.3 kWh
(b) 85 kWh * (100 rmi/253 rmi) = 33.59 kWh
... those look pretty far off, let's try some adjustments...
(a2) (1.1 kWh/mi) * (2.3 mi) * 12 = 30.36 kWh
(b2) 80 kWh * (100 rmi/253 rmi) = 31.62 kWh
Yah, those look closer. So 12 laps and a 5kWh battery buffer line up decently.
For those not familiar, lapping is "at speed" / high speed track driving but cooperative -- coordinated passing -- with no racing or timing.
On rainy days, the acceleration limiter isn't really much of a problem at the track for me. Perhaps it's because I'm still in the early days of building up experience. Perhaps it's because I really don't want a 5-digit repair bill (or car replacement) on any track day ever. But let's talk about sunny days...
I've driven the following tracks in lapping sessions:
1. The Ridge (Shelton, WA) - P85, P85D, P85D
2. Pacific Raceways (Kent, WA) - P85
3. PIR (Portland, OR) - P85, P85D
4. ORP (Grass Valley, OR) - P85, P85D, P85D
5. Laguna Seca (Monterey, CA) - P85, P85D
For all 5 in the P85, it's very easy to reach the first acceleration limiter (160 kW, "half power") within 2 laps -- even with 80+% SOC. If you "take it easy" (regen setting at low, coast in the straights, take corners at speed) you can avoid the limiter for 3-5 laps -- perhaps even a full 20+ minute session.
With the insane-flavored P85D, the first ("half power") limiter comes much later (within 4 laps) for me when pushing the vehicle. Also, it's much less punishing -- 240kW is less "limpy" than 160kW. If you continue to push it, the second limiter (25%) will arrive -- and it feels like Valet Mode. I try to avoid it as much as possible. Knowing all of the above, I tend to use the same "take it easy" approach as with the P85 but have "a little more fun" on the straights -- accelerate some, just not full out -- which buys me a full session of "at speed" just not "at Insane speed".
Now let's talk about Ludicrous. The first ORP event I had a lot going on in my head (new group, telemetry distraction, other RL stuff) so I wasn't really going all out. The next event was at The Ridge and was wet -- not always raining, but always a wet track. Finally, back at ORP this weekend it was beautiful. Dry the whole time. Sunburn...well that part sucks. Anyway, where was I ... oh right, dry and pretty. Clockwise on Saturday (not my first time) and counterclockwise on Sunday (my first time). Both days, I did set the regen to Low but otherwise drove it without regard for the limiter -- until I felt the limiter. The good news: I didn't see the limiter at all until SOC was below 50%. That's better than I expected by a long shot. Note that on Sunday I didn't "go nuts" on the downhill of Valkyrie (it's still a bit intimidating) but I did push it pretty heavy on the 1-16 straight much of the time.
One more note... "How was traffic? Was that giving the car some breathing room?" On Sunday, no. For 3 of the 4 sessions, I lined up first in grid and was free for nearly 2 laps before executing a few passes; traffic wasn't really an issue. For the 4th session, I lined up behind a friend and we immediately hit traffic -- that cleared within the 2nd lap; after the 2nd lap traffic was a non-issue.
A second note... "How much range is used per session?" The most aggressive 25 minute session used ~100 rated miles. It's a 2.3 mile course and I think we were getting about 10 laps per session -- though I didn't actually count the laps. IIRC, the energy app was reporting a little over 1100 Wh/mi. pretty much steadily so ...
(a) (1.1 kWh/mi) * (2.3 mi) * 10 = 25.3 kWh
(b) 85 kWh * (100 rmi/253 rmi) = 33.59 kWh
... those look pretty far off, let's try some adjustments...
(a2) (1.1 kWh/mi) * (2.3 mi) * 12 = 30.36 kWh
(b2) 80 kWh * (100 rmi/253 rmi) = 31.62 kWh
Yah, those look closer. So 12 laps and a 5kWh battery buffer line up decently.
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