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Thread: Rally1 hybrid cars (2022-)
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11th January 2022, 23:36 #461
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I just wonder what's the disadvantage for the left foot braker. when they use the throttle and the brake at the same time in the 2022 hybrid car??
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11th January 2022, 23:43 #462
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12th January 2022, 01:21 #463
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With regards to hybrid deployment? If they cancel the boost under acceleration using any brake pressure when the battery is less than 80% charged, they lose what boost they could've had and must go through a full regen cycle to get another booster shot (let's agree to ban this term). How much energy they get to use per boost and need to recover for a valid regen cycle is different per rally and is set by the FIA, so what they lose on is unknown now. Regen under braking has a throttle pedal input tolerance of 30% and brake pressure must be above 5 bar pressure. According to Google/Quora, a typical road car is at full lock around 70 bar (or 96 bar power assisted), so how much energy can be micro-recovered this way remains to be seen but I guess insignificant. So much depends on the stage and the rally.
With regards to handling/approach? Others will have the input here. Lack of the active centre differential may encourage it. Things like suspension setup in terms of pitch/roll and brake biases may play with heads. 10 days or so time we'll see to what extent.
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12th January 2022, 01:27 #464
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- Likes: cali (12th January 2022)
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12th January 2022, 02:52 #465
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12th January 2022, 08:08 #466
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I'm not clear by this video for 2 point
1.if there have 80 kilometre with 4 stages to go and no service between the stage. how can the driver make the regen if the 100 KW used out
2.why the driver must use the EV mode .is that mean they will use more electrical energy from the battery? how can they have the advantage
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12th January 2022, 08:12 #467
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12th January 2022, 08:13 #468
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Essentially yes. You are always entitled to hybrid boost on the start line. Subsequently you need to brake to regenerate power and recharge the battery to then deploy a new boost.
And the driver can only switch off the hybrid boost for example on an icy section on a Monte stage with slicks.
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12th January 2022, 09:14 #469
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So will small dabs of (left-foot) braking to adjust the car be enough to stop the hybrid boost and require another regen cycle or not ?
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12th January 2022, 09:16 #470
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