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Search took 0.01 seconds. Search: Posts Made By: planetaire
Forum: Aerodynamics 04-22-2021, 02:56 AM
Replies: 25
Views: 2,644
Posted By planetaire
Hello, So I see that I have to give more...

Hello,

So I see that I have to give more explanations.
We are in 2021 talking about the Model S motor at 105 mph.
In my previous post I put a link where it can be seen that this motor is a...
Forum: Aerodynamics 04-21-2021, 04:31 PM
Replies: 25
Views: 2,644
Posted By planetaire
Motor and electronic are excellent in Tesla....

Motor and electronic are excellent in Tesla. Better with values:
The last Tesla S motor have 97% efficiency (https://electrek.co/2019/04/05/tesla-model-s-new-electric-motors/)
This efficiency...
Forum: Aerodynamics 04-20-2021, 05:29 AM
Replies: 170
Views: 11,952
Posted By planetaire
Hi, Vekke I found a paper about a car for...

Hi, Vekke

I found a paper about a car for which the front radiators air drag is considered equal to zero.
Probably Julian is talking of this car.
But this car don't answer to Julian sentence:
...
Forum: Aerodynamics 04-18-2021, 05:59 AM
Replies: 170
Views: 11,952
Posted By planetaire
Julian, My question is : do you want to...

Julian,

My question is : do you want to study only very high powered electric car ? Or do you give numbers about these sort of cars because you don't find others ?

So you want a percentage of...
Forum: Aerodynamics 04-18-2021, 03:41 AM
Replies: 170
Views: 11,952
Posted By planetaire
I don't agree. I use it as a BEV on our roads....

I don't agree. I use it as a BEV on our roads. Average power is low, not because electric but because his good aero (cd=0.22). Power is not a part of the BEV definition.


You are right, newton...
Forum: Aerodynamics 04-18-2021, 03:39 AM
Replies: 170
Views: 11,952
Posted By planetaire
They don't change the floor. The difference is...

They don't change the floor. The difference is only due to the front grill and the exhaust tunnel closed. Two parts that need cooling, more for thermal model




They have. Because the cooling...
Forum: Aerodynamics 04-18-2021, 03:16 AM
Replies: 170
Views: 11,952
Posted By planetaire
E-up, Eqs

Hi, Julian

It is interesting to compare the vw Up and the e-Up.
First is thermal model, cd 0.32, the second is electric model, Cd 0.308
Vw use exactly the same body for this economical car. They...
Forum: Aerodynamics 04-17-2021, 08:01 AM
Replies: 170
Views: 11,952
Posted By planetaire
Hi I use since 10 years a toyota prius in...

Hi

I use since 10 years a toyota prius in electric mode only. I close the front totally except in summer when temperature is say 30°C or more. When the front grill est blocked, the drag needed due...
Forum: Aerodynamics 04-04-2021, 08:14 AM
Replies: 84
Views: 12,608
Posted By planetaire
Hello, All There are very interesting aero...

Hello, All

There are very interesting aero infos here (https://www.bolidenforum.de/artikel/artikel/1372424-die-aerodynamik-des-elektroautos-vw-id-3)

There is a mobile shutter (red in the...
Forum: Hybrids 10-31-2017, 08:37 AM
Replies: 33
Views: 23,381
Posted By planetaire
more then 30 000 km in EV mode !

Still on the road.

I drived more then 30 000 km without using the gasoline engine.

So several time I saw:
https://priusev.files.wordpress.com/2017/10/mfd6553km.jpg
Several times because there...
Forum: Fossil Fuel Free 04-04-2016, 01:09 PM
Replies: 58
Views: 8,703
Posted By planetaire
You where very close ! Tesla aiming only...

You where very close !

Tesla aiming only 0.21 !!! (http://insideevs.com/tesla-model-3-tweet-storm-by-musk-reveals-tons-of-new-details/)

How they can have gone from a already small 0.24 on the S...
Forum: EcoModding Central 03-18-2016, 04:43 AM
Replies: 26
Views: 5,543
Posted By planetaire
3 times less electric power, twice the light

Hello, All

I have replaced in my Prius 2 phev the standard halogen H4 bulbs with led (http://priusev.wordpress.com/2016/01/25/remplacer-les-ampoules-de-phares-a-halogenes-par-des-led/)

The led...
Forum: Hybrids 09-24-2015, 01:31 PM
Replies: 222
Views: 39,367
Posted By planetaire
Yes it is not in the link above. You have to...

Yes it is not in the link above.
You have to look in priuschat in an album.

For exemple this picture:
https://attachments.priuschat.com/attachment-files/2015/09/93626_image.jpg?d=1441772398
...
Forum: Hybrids 09-24-2015, 09:02 AM
Replies: 222
Views: 39,367
Posted By planetaire
I would have drawn a shark, not you ? because of...

I would have drawn a shark, not you ? because of the antenna.
I don't know the dolphin cd. probably variable :D
With a nice "boat tail", no ?
Forum: Hybrids 09-24-2015, 08:06 AM
Replies: 222
Views: 39,367
Posted By planetaire
The 2016 prius Cd is 0.24 and have an automatic...

The 2016 prius Cd is 0.24 and have an automatic grill shutter.

Link (http://indianautosblog.com/2015/09/2016-toyota-prius-details-leak-195412)
Forum: EcoModding Central 09-15-2015, 01:46 PM
Replies: 174
Views: 32,422
Posted By planetaire
Using accelerator pedal to brake.

Below 10 km/h you could brake in R mode. Don't use the brake pedal !, just the accelerator one ! The more you depress the pedal, the more the speed will be reduced and at a moment you go backward....
Forum: Hybrids 05-11-2015, 02:08 AM
Replies: 33
Views: 23,381
Posted By planetaire
ptc heater

I have tried two devices:
- a 150W heater like this one http://i00.i.aliimg.com/wsphoto/v0/32271298062_1/2-in-1-12V-DC-12-5A-150W-font-b-Car-b-font-Heater-Cooling-Fan.jpg
- a 300W heater like this...
Forum: Hybrids 05-09-2015, 03:18 AM
Replies: 33
Views: 23,381
Posted By planetaire
Talking 10000km, 6.2 L

Just some news.

Since last "tank filling", last year in august, drive more then 10 000 km (10038km or 6236 miles). Used 6.2 L and 1112 kWh. I didn't use the engine to heat the cabin this winter....
Forum: Hybrids 05-08-2015, 08:49 AM
Replies: 73
Views: 27,145
Posted By planetaire
Good questions. :D Contactor. Theorically it...

Good questions. :D

Contactor. Theorically it don't have to handle HV. It is between two packs and for example may have only 48v. But I use a tyco ev100.
To choose one contactor there are 3...
Forum: Hybrids 05-08-2015, 06:39 AM
Replies: 73
Views: 27,145
Posted By planetaire
Hi, Reddevil Nice project. I suppose in...

Hi, Reddevil

Nice project.

I suppose in this post that you will grid charge only the lithium.
When this is done you will connect the lithium pack on the nimh.
Of course you will use a...
Forum: Fossil Fuel Free 03-13-2015, 09:38 AM
Replies: 9
Views: 2,961
Posted By planetaire
Active bms. 13.2volts

There are two main bms familly:
-passive : bleeding
-active : capacitive, inductive, dc-dc transfer ...

I don't use bleeding because when cells goes up to 3.65V it is "too late".
Amperage...
Forum: Fossil Fuel Free 03-12-2015, 03:19 PM
Replies: 9
Views: 2,961
Posted By planetaire
Between 4 and 20Ah ?. May I suggest 19.6 Ah :D ...

Between 4 and 20Ah ?. May I suggest 19.6 Ah :D

I use 4xA123 19.6Ah in my Prius 2 (https://priusev.wordpress.com/category/12v/) since one year with a capacitive bms.
Still ok. But I avoid using...
Forum: Hybrids 03-07-2015, 02:17 PM
Replies: 100
Views: 25,266
Posted By planetaire
I will only speek about the gen 2 or gen 3. The...

I will only speek about the gen 2 or gen 3. The HV pack is divided in 14 groups. You can monitor the 14 voltages and the 14 internal resistances. For example use torque and a bluetooth dongle. Or a...
Forum: Hybrids 03-04-2015, 02:29 PM
Replies: 311
Views: 41,235
Posted By planetaire
Belgium test

Here (http://www.vab.be/nl/nieuws/2011/3/23/verdieselijking) are compared a Toyota Auris-diesel, a Auris-gasoline and a Auris-hybrid-gasoline. Auris is not far from a Prius, heavier then a Yaris.
...
Forum: Hybrids 03-04-2015, 04:09 AM
Replies: 311
Views: 41,235
Posted By planetaire
I would say: -yes, if the HV battery is...

I would say:
-yes, if the HV battery is deconnected or have an open cell, the engine will not start at the begining of your trip and the car is bricked.
-but if the engine can be started, you are...
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