I have manual brakes in my race car (it's not fancy.) It starts off at 6:1 to take up the play then ends up about 14:1 at full braking and achieves full travel of the brake master cylinders with a full swing of the brake pedal. It's a bit odd to drive at first but after a few times you hit the brake...

My ibooster reports 38mm when the rod is fully released This is without anything pushing on the booster, correct? so I pushed the rod in until it reports 0mm and secured to the pedal that is fully released. This sounds a lot like you're pressing the booster in. If the brake master is there too it's...

<t>I would imagine the ibooster is reporting how much travel is left from the starting point / brake pedal fully up.<br/> <br/> When it gets to 0 I'd suggest this is being considered as the bottomed out point. <br/> <br/> Past that 0 point I'd expect the booster to report something along the lines o...

Holding them accountable,
Vermont to Require Fossil-Fuel Companies to Pay for Climate Damage
https://www.nytimes.com/2024/05/31/clim ... amage.html

This is great news for us to get some Lucid motors 2nd hand. If it happens...

Not many details here besides the claim,
https://eletric-vehicles.com/lucid/luci ... ic-motors/

It's hard to know how efficient the zafira pump is. But if it did not have a cooler line originally you might be able to eliminate it. Personally I would try to reroute the cooler line and keep it. I've had the power steering fluid boil over in one of my track cars, had to add a cooler after it was ...

https://www.verociousmotorsports.com/Sh ... e-reducers are good too.

You could try Claude / anthropic, usually smarter than chatgpt and usually explains things better.

My best guess from the info is that there is a misalignment issue. Any chance of mounting a dial indicator on one of the shafts and rotating it around to measure to the other shaft? And if you mean the splines were off by 1mm that's a lot. You might also be able to put 2 dial indicators on the trans...

Deleted, double post.

I wonder how a rear window defroster repair kit would work on something like this..

There's no easy options for fixes like this.

How hard was it keeping metal dust out / from falling in?

That looks ultrasonicly welded, or the intent was there.. You could try something like this, https://www.te.com/en/product-63895-1.html Screenshot_20240522_182629_Samsung Internet.jpg Just make sure it's got a really good bite. And you should probably use some anti-corrosion goo too. A backup like a...

Vacuum boosters can develop leaks as they age. With an internal combustion engine there is a strong and high volume vacuum source that can mask the leak as well as the sound of the leak. You should be able to hear the leak. You can carefully put a tube in your ear (like a stethoscope without the dia...

... I get only one brake press before the brake pedal gets heavier, and the pump turns on for 2 seconds about every 2 minutes. I'm wondering if my brake booster needs to be replaced. 🤔 Slightly heavier or almost no assist heavier? You should be able to get at least 3 good presses on the pedal befor...

If converting a 4WD vehicle, would there be any advantage in adding a 2nd motor for the FWD component and using it solely for regen? You could, but it's a lot of space, packaging, work, and likely weight specifically for regen. In a similar thought experiment you could use a large motor for the fro...

I even found a spot to try accelerating hard from a stop and discovered it's possible to spin the rear wheels. I can also tell from the video that the car is transferring a lot of weight to the back when accelerating this hard. I do think I am going to have to go with stiffer springs! If you're wil...

The encoder would very likely be completely fine running submerged in oil. The shaped o-ring is likely meant as a backup to keep oil out of the inverter area if the oil seal leaks. Seems like the shaft seal has a leak there if there's oil inside. The o-ring swelling sounds like they may have used th...

Used the optimum gasket maker. Put a thin layer on the inside of the holes of the plastic cover to seal any gaps between plastic and wires. Made a thin gasket between the plastic cover and the metal of the of the frame. Thin layer inside of the sensor hole. Hand tightened. Torqued after 1h of curin...

Oil is difficult to ignite. It needs to be thin and well atomized to light. Or it needs very high heat.
There's also a fixed amount of oxygen available inside the transmission, so even if it did manage to light it would be very short lived.

I'd suggest way lower than 10psi if you decide to pressurize it.
The oil will thin out a bunch when it gets warm and will leak out easier then.
My suggestion is to drive it and check. Then if it seems good, check the oil level at 100, 1000, and 3000 miles.

A bit more info, https://www.motortrend.com/news/lucid-m ... ive-motor/

ama wrote: ↑Mon May 13, 2024 3:09 pm There are existing modules you can buy on aliexpress to just cut and solder on, instead of making your own.

Are they any good / last?

How available are the 900 transaxles? You could likely adapt a motor to fit in the oil pan area but you might put too much power through it to last.

I just ordered a batch of 5. The DRV103U IC's were pre-ordered already & in. Should arrive in about 2 weeks.

Price went up, they're about $30 each with shipping and the pre-ordered IC costs.