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15 Posts
So after monitoring the ICE engine on the Fisker with the ODB tool the GM LNF motor is rev limited to 3500rpm????!!!?!?!?!
are you kidding me fisker? the motor is stock tuned from GM to rev to 5300 rpm..
Horsepower (hp @ rpm) 260 @ 5,300
Torque (lb-ft @ rpm) 260 @ 2,000
does anyone know what the boost is on the fisker? is it running at the stock 16lbs?
My hopes were to increase the boost to a factory performance boost of 23psi and increase the rev limiter to the factory performance increase to a modest 6,000rpm. the factory performance GMPP upgrade puts the rev limiter to 6500rpm.
Fisker could make a ton of money charging for a perfomance package just like the Tesla offers.. which increases the output of the power inverter making it a super car producing 0-60 times of 4 seconds..
the way I see the fisker is that we can get that 0-60 time down to 4 seconds just by releasing the power that is already there.
The motors in the fisker are two 120 kW motors... Reviewing the power output, the fisker it tops out at 175kW of output but only gives that burst for about 10 seconds.. then drops to 140kW for another 4 seconds.. then to 100kW for another 6 seconds.. by the time The car is reaching a good speed of about 110mph the kW output to the motors is reaching 80kW.
So I am working with a HPtuner and maybe the fisker software is encrypted?
The software can read the live data output from the motor but it is unable to read the whole software package.. Cannot read the VIN number with VCM Editor and VCM Editor errors out on the read.
Are we maxing out the inverter? can this inverter be upgraded? can I run dual Inverters to distribute 120kW to each motor?
Can someone post pictures of the Inverters? anyone have any info about the inverter manufacture and specs? I know fisker was originally going with a quantum tech inverter with a price tag reaching $10k but switched to lower cost replacement.. was this a lower rated inverter?
the torque is there on the car.. if the ICE can output more power why limit it... most generators have an optimal rpm range which is 3600 RPM so is that the reason for the rev limiter? if its running at optimal output the generator should be pushing 175kwh at 3500rpm? how do we increase this to 3600rpm? optimal rating for the generator?
(20 kWh/180 kW max discharge) and the generator (175kW)
the battery still gets depleted while the gas motor is online.
the car very rarely outputs 175kW. I understand that fisker has said that the output is limited because it doesn't want to overheat the batteries.. well the car is fine in stealth mode.. but why cant the car be pushed to 200 or 250kW output? the motors can take 260kW.
how does one reprogram the inverter? is it possible to replace the inverter with a higher output inverter?
I love the car but it lacks power... like tim the tool man taylor always says.... more power!
If someone can post pics of the components and input on what the limiting factors are that contribute to the lack of power it would be great. The power delivery from 0-20mph is horrible. with 900lbs of torque I should be able to roast these tires, even with the 22's
are you kidding me fisker? the motor is stock tuned from GM to rev to 5300 rpm..
Horsepower (hp @ rpm) 260 @ 5,300
Torque (lb-ft @ rpm) 260 @ 2,000
does anyone know what the boost is on the fisker? is it running at the stock 16lbs?
My hopes were to increase the boost to a factory performance boost of 23psi and increase the rev limiter to the factory performance increase to a modest 6,000rpm. the factory performance GMPP upgrade puts the rev limiter to 6500rpm.
Fisker could make a ton of money charging for a perfomance package just like the Tesla offers.. which increases the output of the power inverter making it a super car producing 0-60 times of 4 seconds..
the way I see the fisker is that we can get that 0-60 time down to 4 seconds just by releasing the power that is already there.
The motors in the fisker are two 120 kW motors... Reviewing the power output, the fisker it tops out at 175kW of output but only gives that burst for about 10 seconds.. then drops to 140kW for another 4 seconds.. then to 100kW for another 6 seconds.. by the time The car is reaching a good speed of about 110mph the kW output to the motors is reaching 80kW.
So I am working with a HPtuner and maybe the fisker software is encrypted?
The software can read the live data output from the motor but it is unable to read the whole software package.. Cannot read the VIN number with VCM Editor and VCM Editor errors out on the read.
Are we maxing out the inverter? can this inverter be upgraded? can I run dual Inverters to distribute 120kW to each motor?
Can someone post pictures of the Inverters? anyone have any info about the inverter manufacture and specs? I know fisker was originally going with a quantum tech inverter with a price tag reaching $10k but switched to lower cost replacement.. was this a lower rated inverter?
the torque is there on the car.. if the ICE can output more power why limit it... most generators have an optimal rpm range which is 3600 RPM so is that the reason for the rev limiter? if its running at optimal output the generator should be pushing 175kwh at 3500rpm? how do we increase this to 3600rpm? optimal rating for the generator?
(20 kWh/180 kW max discharge) and the generator (175kW)
the battery still gets depleted while the gas motor is online.
the car very rarely outputs 175kW. I understand that fisker has said that the output is limited because it doesn't want to overheat the batteries.. well the car is fine in stealth mode.. but why cant the car be pushed to 200 or 250kW output? the motors can take 260kW.
how does one reprogram the inverter? is it possible to replace the inverter with a higher output inverter?
I love the car but it lacks power... like tim the tool man taylor always says.... more power!
If someone can post pics of the components and input on what the limiting factors are that contribute to the lack of power it would be great. The power delivery from 0-20mph is horrible. with 900lbs of torque I should be able to roast these tires, even with the 22's