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Just a question, was there any reversible heat pump available at any car OEM when they designed the Model S? And the model 3? Please give sources.
I will try to document if I’m to make another revision of it.
I can second @dgpcolorado comment on solid roof. My friend has one, and we contemplated insulating and deadening it, but when we peaked under headliner, we concluded it is already reasonably well done from the factory, and not worth extra effort.
Solid roof was dropped from European cars already a long time ago, since gluing the glass roof at Tilburg assembly gives them some % of credit in building the car in EU. This is my guess.
Tesla has not added HP capability for 6 years and apparently have no plan as of right now.
This year we will DEFINITELY hear negative feedback from Norway from Model 3 owners
If I was Tesla, I'd continue focusing on the technology and efficiency of the drive train and battery pack, and never put a more complicated technology like heat pump (and the necessity of backup resistance heating).
After 24 pages, you're not going to convince anyone who has a strongly held opinion one way or the other, but for sure, you're not going to convince Tesla who have focused IMHO on the right things to optimize on the platform.
Yet,
. Tesla sells the longest range EV's available, regardless of the underlying technology within the car.
. Tesla EV's have the best long distance charging options especially in Norway (and world wide)
. Cabin heating technology is not a driving indicator of product demand, otherwise Nissan would be selling more Leafs
If you call that lazy engineering then you don’t understand engineering. Engineering is a series of trade-offs. Tesla’s engineering decision, based on market, technical, resource, and many other factors, is to stick with resistance heat. You may be able to challenge the trade offs, but it’s ridiculous to assume they didn’t integrate a heat pump just because they didn’t feel like it.The commute to the slopes from my house has a regular multi-hour traffic jam over two miles in the sky in below zero weather. It is not unusual for this pile-up to take up to 5 hours on a Sunday night after a powder day. I just drive now with all my ski gear on and minimally use HVAC when my windows fog. Even with 300 miles "range" I have had some close with my range.
If folks put down the Teslaquila (AKA Tesla kool-aid), it is clear this is a fail on Tesla's part. Just lazy engineering.
5 hours... I just drive now with all my ski gear on and minimally use HVAC when my windows fog. Even with 300 miles "range" I have had some close with my range
Low efficiency means more carbon footprint. Have you ever thought about energy requirement of vehicles?
Tesla is stuck in "keep it simple stupid". And it's stupid. For that stupidity users have to pay money
1 million Teslas with HP compared to 1 million Teslas without HP is around 700 000 000 kWh= 700 GWh of energy annually.
You think that is "little"?. For a simple design choice. Irresponsible design choice.