Search found 57 matches

by espriev
Mon Apr 21, 2025 5:26 pm
Forum: Classifieds
Topic: Tesla Model X rear suspension FREE
Replies: 1
Views: 2695

Re: Tesla Model X rear suspension FREE

Gone
by espriev
Sat Apr 12, 2025 1:50 pm
Forum: Classifieds
Topic: Tesla Model X rear suspension FREE
Replies: 1
Views: 2695

Tesla Model X rear suspension FREE

Pretty much complete, sub assembly, swing arms, ARB, with hubs and calipers.
All bushings are good.
I obtained this to reference all the SDU mounting geometry, no longer need it.
Free for pick up in Central Florida
by espriev
Fri Feb 14, 2025 7:37 pm
Forum: Tesla
Topic: Is discharge required?
Replies: 1
Views: 2214

Is discharge required?

I have been looking into device discharge, to deal with units that hold a charge after they are disconnected from H. V. by the contactor.
Do the Tesla motors hold a charge?
If so, how to discharge it?
I am used to the other side of the equation, where it is common practice to have a 100k resistor ...
by espriev
Sun Jan 12, 2025 9:46 pm
Forum: Tesla
Topic: SDU cooling fan trigger temperature?
Replies: 0
Views: 2729

SDU cooling fan trigger temperature?

Does anyone know the running coolant temperature range for the SDU inverter and motor?
I am using separate cooling loops and radiators for each.
I want to use coolant temperature sensors to control the radiator fans, my thought is to have the circulation pumps always on.
by espriev
Fri Oct 11, 2024 11:24 pm
Forum: General
Topic: What are you building your battery boxes out of?
Replies: 3
Views: 3408

Re: What are you building your battery boxes out of?

How about a cage made from solid square aluminum bar, either welded or drilled, tapped, and fastened together to support the weight of the batteries and bits to be attached to it, then poly top, bottom & sides that are attached to this frame with threaded fasteners?
The battery-box to frame mounts ...
by espriev
Sun Sep 08, 2024 11:35 pm
Forum: Classifieds
Topic: 1994 Lotus Esprit S4 conversion cantidate
Replies: 4
Views: 2523

Re: 1994 Lotus Esprit S4 conversion cantidate

Where are you located Redp47?
by espriev
Tue Jul 16, 2024 8:58 pm
Forum: Classifieds
Topic: BMW BMS from 2020 X5
Replies: 0
Views: 3193

BMW BMS from 2020 X5

sold
by espriev
Tue Jul 16, 2024 8:16 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

Thanks for showing that, it looks plenty complicated!
If only they would sell the 12VDC controlled model, or if there were information on what application it was used in...
With the help you have provided I will pursue getting the local college's programming school to take it on as a project.
by espriev
Mon Jul 08, 2024 4:55 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

I am going to open this thing up and trace out the circuit.
As I understand it, all that is happening is there is an IGBT on one side of each PTC element that acts like a switch, connecting it to one side of the HV.
The other side is always connected to the opposite polarity of the HV.
As PTC ...
by espriev
Fri Jul 05, 2024 1:48 pm
Forum: Tesla
Topic: What lubricant to use inner CV/Tripod joint?
Replies: 1
Views: 1602

What lubricant to use inner CV/Tripod joint?

Tesla specifies 130 grams of KY Luber C.
I can not find mention of this lubricant anywhere else (most searches come up with KY jelly!).
It is clearly a special lubricant, if you have encountered it you know.
I have never seen anything like it.
Does anyone know what this is and where to obtain it ...
by espriev
Mon Jul 01, 2024 5:27 pm
Forum: General
Topic: Driving mechanical speedo from CAN
Replies: 13
Views: 10005

Re: Driving mechanical speedo from CAN

An off the shelf GPS module puts out a 0-5VDC signal in direct proportion to actual vehicle speed.
I am using the one in the ANT P/S steering control module to also drive the electronic speedometer, using the formula speed = voltage x 50.
You would likely need a simple current amplifier to run a ...
by espriev
Thu May 16, 2024 3:24 pm
Forum: Projects
Topic: [DRIVING] VX220 with Tesla SDU
Replies: 144
Views: 52457

Re: [DRIVING] VX220 with Tesla SDU

Having run an "old school" converted vehicle for many years that had a clutch that was removed for direct coupling along with the clutch pedal removed, I would suggest NOT removing the clutch pedal. The spacing of pedals in a 2 pedal car is different than 3 pedal, with the brake pedal very close to ...
by espriev
Tue May 07, 2024 1:35 am
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

No luck making progress?
by espriev
Sun Feb 18, 2024 4:52 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

I think that with no HV you will only receive a "not ready" response
The Webasto doc notes that the HV MUST employ a pre-charge
According to post 16 on page 1 no interlock is required, but it is easy enough to try, just jumper the interlock pins on the HV connector
by espriev
Thu Feb 08, 2024 6:00 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

Part of what I like about EV-Olution's design is that there are status LEDs (and a start - stop button!) simply using MPU I/O pins
I am confused by the nomenclature on the schematic, I see LIN_TXD and LIN_RXD on the MPC2004, which I think would be connected to TX1 and RX1 of the MPU, but those pins ...
by espriev
Sun Feb 04, 2024 9:06 pm
Forum: Classifieds
Topic: Webasto PTC Heater Programming Help / Arduino Teensy
Replies: 4
Views: 1542

Re: Webasto PTC Heater Programming Help / Arduino Teensy

I am in my own boat, sailing on the same sea...
Part of the problem is the code on github is snippets of lots of other stuff for stm32.
I think it needs instructions and library files to work, but how this relates ? Try asking someone who knows and you are likely to get an answer that you must ...
by espriev
Mon Dec 11, 2023 4:41 pm
Forum: BMW
Topic: BMW´16S Battery Module pin out
Replies: 4
Views: 14460

Re: BMW´16S Battery Module pin out

I am using the 2p8s modules, the 16s are probably similar. Orange is the cell taps and yellow is the temp sensors.
Just start at one end with a probe on you VOM and find the other end, where you will read the total pack voltage.
It is then simple to go down the line as each cell (probably a top row ...
by espriev
Thu Oct 26, 2023 8:58 pm
Forum: Classifieds
Topic: Wanted: Arduino programmed in North America
Replies: 2
Views: 5674

Re: Wanted: Arduino programmed in North America

I know, you are right... just a bit swamped with "one more thing" ism.
I will view some Arduino programming videos tonight
by espriev
Thu Oct 26, 2023 6:24 pm
Forum: Classifieds
Topic: Wanted: Arduino programmed in North America
Replies: 2
Views: 5674

Wanted: Arduino programmed in North America

I want to control a PTC heater over LIN (see https://openinverter.org/wiki/Webasto_HVH50
and https://openinverter.org/forum/viewtopic.php?t=1565 )
I have found a simple to build controller based on an Arduino (see https://ev-olution.yolasite.com/nissan-leaf-ptc-heater-aftermarket-lin-controller.php ...
by espriev
Sun Oct 22, 2023 6:36 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

Not being a software engineer, I am hoping to locate a dedicated LIN controller that I can use to control the HVH50.
All I need is something to send the code to turn this on as if it was controlled by the Analog Switch operation outlined in the manufactures datasheet (basically 80% temperature and ...
by espriev
Mon Oct 16, 2023 5:29 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

Yes, and i would gladly add this essential information to the Webasto wiki if I could figure out how.
I just think the topic of connectors is so important it deserves a wiki of it's own!
by espriev
Mon Oct 16, 2023 2:40 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

I received a reply from TE,
the information and instructions are here:
https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F114-13259%7FF%7Fpdf%7FEnglish%7FENG_SS_114-13259_F.pdf%7F2103177-1

There are several HV and LV connectors required in ...
by espriev
Sat Oct 14, 2023 8:42 pm
Forum: General
Topic: Webasto HVH50
Replies: 87
Views: 47223

Re: Webasto HVH50

Could someone explain how to obtain the complete HV connector for this unit?
I can find the Tyco HVA280 connector part # 2103177-1 easily, but this does not include contacts, interlock or seals.
The Tyco website is difficult to use as there are no references as to which contacts or accessories work ...
by espriev
Tue Aug 08, 2023 1:00 pm
Forum: Projects
Topic: 1964 Rambler Classic 660 w/ GS450h [FINISHED]
Replies: 42
Views: 21379

Re: 1964 Rambler Classic 660 2dr sedan w/ GS450h

Thanks for the informative reply!
Does the frequency of the PWM signal act as a "temperature" control, and by changing the frequency on can set the compressor on-off cycle thereby controlling the AC temp?