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RE: Super duty 10 speed gear ratios
Because of the design of the internal planets, carriers, etc, there is really very little opportunity to play with ratios. My guess was any changes were made to increase the "durability" of the transmission.
I am a bit surprised at the step between 1st and 2nd !
It's not surprising, it's normal if one understands gearing.
In short, if a gear ratio is doubled at say 10 mph, the result at the same rpm is 5 mph.
Double the ratio at 100mph and the result is 50 mph.
That's why a say 10% gear change at higher gears = a certain rpm change and a say 80% gear change at low gears = the same rpm change.
Notice the decrease in % ratio change in each step from low to high.
I'm beginning to understand why some folks think more gear ratios are "dumb" or unnecessary. It's becasue, based on some of these responses, they don't understand what's going on beyond, push skinny pedal = faster, release skinny pedal = slower.
Not the mention of the ability of second gear starts when the low first gear is not necessary.
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mich800
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12/14/19 01:22pm |
Tow Vehicles
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RE: Tesla Semi truck unveil & test ride set for Oct 26th !
Tesla model X pulls a F150 Raptor !
https://live.staticflickr.com/65535/49216048346_6d088eab2d_z.jpg
Someone should remind him to turn on the locker next time.
Yeah, he was only spinning one wheel in the rear. Many people don't realize that a vehicle tug of war is all about traction, not power. The first to break their traction is generally one who loses.
That, and the fact he installed a poser mall queen tire/wheel combo on a Raptor I am guessing not the best quality traction tire.
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mich800
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12/14/19 10:08am |
Tow Vehicles
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RE: Tesla Semi truck unveil & test ride set for Oct 26th !
Tesla model X pulls a F150 Raptor !
https://live.staticflickr.com/65535/49216048346_6d088eab2d_z.jpg
Someone should remind him to turn on the locker next time.
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mich800
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12/13/19 09:33pm |
Tow Vehicles
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RE: So many closed topics!
"Around the Campfire" used to be very open and freeform. Then some people complained that it was too open and freeform. Now it's so locked down, very few people even post there anymore.
The two Tesla threads got shut down due to an individual, and his aggressive insulting and bad-mouthing of anyone who disagreed with his opinions.
Ya I got called “Elmer Fudd”... ‘an I thought right away “but I’m a better shot than Elmer Fudd...”
:B I have used that phrase before. But was most definitely not directed at you. Don't remember you ever trolling or using personal attacks.
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mich800
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12/13/19 11:01am |
Tow Vehicles
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RE: So many closed topics!
The two Tesla threads were probably closed because they were getting political and someone was starting to call people names. I am not sure why the creative towing thread was closed. We were on topic and were being civil. Unless Robert wanted to get the last word in there and then requested for it to be closed.
There are also some that disappeared. I am guessing due to the same personal attack person.
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mich800
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12/13/19 09:22am |
Tow Vehicles
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RE: Ram 2500 CTD in Africa
Wow, not sure I've seen a thread go south as fast as this one.
Good job guys.
Best part, I had nothing to do with it. :B
It's like a mini vacation. Just sit back have a few beers and watch Elmer Fudd or whomever self destruct. Very entertaining.
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mich800
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12/10/19 08:42pm |
Tow Vehicles
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RE: No more full size cars from GM
cybertruck on 405 s FW, Dec 7th at 11pm. Ford F-150 move out the way. Elon Musk driving.
Pedestrian safety may be an issue with the Cybertruck design whether Musk is driving or someone else. Europe mandates certain designs that help protect a pedestrian when hit:
https://usa.streetsblog.org/2017/12/07/while-other-countries-mandate-safer-car-designs-for-pedestrians-america-does-nothing/
But many automakers design with pedestrians in mind even without it:
https://en.wikipedia.org/wiki/Pedestrian_safety_through_vehicle_design
Pedestrians should be afraid no matter what Elon is driving. He doesn't look like the most skilled driver. He completely took out the parking sign leaving the restaurant in the truck.
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mich800
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12/10/19 08:27pm |
Tow Vehicles
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RE: Tesla Cybertruck
I'm trying to figure out how lying Elon can drive an "illegal" vehicle on the public highways?
I think the thing should be impounded next time this thing is found on a public highway.
Here in NJ we "Manufacturer" tags.
Basically lets a manufacturer drive anything on the road.
I'm sure CA and MI being big car states, have something similar.
And the nice thing with M plates is they are not tied to a specific vehicle. Like dealer plates.
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mich800
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12/09/19 04:04pm |
Tow Vehicles
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RE: Tesla Cybertruck
Only seen occupant safety tests. Never a bystander test.
Although I do wonder about how well that SS will absorb energy in a collision.
I am not sure if there are specific pedestrian regs but there are various groups that have influence to help make vehicles safer and minimize injuries in car/pedestrian accidents.
As far as street legal. The cybertruck is definitely not legal in its current form. And you are correct about exceptions to prototype/low volume vehicles. Many early test vehicles we get, with the exceptions of seat belts have no other active safety features like airbags and other things commonly found on production vehicles.
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mich800
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12/09/19 02:50pm |
Tow Vehicles
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RE: Tesla Cybertruck
:h I think you have gone of the rails. What does anything in that response have to do with testing? They are taking laps in a factory simulating actual road conditions, reliability and range? allegedly the semi is scheduled for launch in the very near future but no testing. It is a legitimate question with respect to the launch timeline.
I have not seen news of semis going off the rails.
But here is the symptoms of "going off the rails". Dynamic videos showing semis on the road charging and being tested with loads and yet insist you got a legitimate question as to the timeline.
Let me id the people who has a right to legtimate question as to Tesla meeting the timeline: those who have a reservation or the Tesla investing community.
Are you any of them?
Are you 12? You have real problems with reading comprehension and critical thinking. I will bow out and let the kids debate as real discussion has left this board. I am sure you KNOW your knowledge in the automotive industry is superior to those of us that actually work in it.
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mich800
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12/08/19 08:17pm |
Tow Vehicles
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RE: Tesla Cybertruck
Semi is still slated for production. Has not been cancelled.
Tesla is accepting reservations on it's website and the reporter who photographed it charging and another loaded and most likely on test run is not delusional.
Just out of curiosity. When and where? Is this the same recycled pic from a year ago. I have not seen any evidence of testing from the recent past.
I'm sure Elon is dying to show you one should you plant your b@tt in the steps of Tesla factory in Fremont just to allay your skepticism and convince you to make your own reservation.
:h I think you have gone of the rails. What does anything in that response have to do with testing? They are taking laps in a factory simulating actual road conditions, reliability and range? allegedly the semi is scheduled for launch in the very near future but no testing. It is a legitimate question with respect to the launch timeline.
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mich800
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12/08/19 05:58pm |
Tow Vehicles
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RE: Tesla Cybertruck
Semi is still slated for production. Has not been cancelled.
Tesla is accepting reservations on it's website and the reporter who photographed it charging and another loaded and most likely on test run is not delusional.
Just out of curiosity. When and where? Is this the same recycled pic from a year ago. I have not seen any evidence of testing from the recent past.
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mich800
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12/08/19 01:45pm |
Tow Vehicles
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RE: Tesla Cybertruck
Most recent timeline for CyberTruck build:
Tesla wrote about each model on that page:
Single Motor RWD: “Fully refundable. You will be able to complete your configuration as production nears in late 2021. Single Motor RWD production is expected to begin in late 2022.”
Dual Motor AWD: “Fully refundable. You will be able to complete your configuration as production nears in late 2021. Dual Motor AWD production is expected in late 2021.”
Tri Motor AWD: “Fully refundable. You will be able to complete your configuration as production nears in late 2021. Tri Motor AWD production is expected in late 2021.”
https://electrek.co/2019/12/06/tesla-cybertruck-production-timeline-update-orders/
and wow... 250,000+ preorders
I thought we should just ignore Elon's statements/predictions? :B
Maybe one of those Tesla wishful thinkings facts we hear so much about. ;)
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mich800
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12/07/19 08:03am |
Tow Vehicles
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RE: Ford pickup recall
https://www.freep.com/story/money/cars/ford/2019/12/06/ford-pickup-truck-recall-tailgate/4352140002/
Just have to love it!
From the article:
"Dealers will fix the tailgate frame wiring harnesses and install a new tailgate handle release switch. Owners will be notified by male during the week of Jan. 20."
Ford is going to send a guy out to each owner's house to inform them? That's dedication.
:B Now the ban on Ford for being sexist.
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mich800
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12/07/19 07:58am |
Tow Vehicles
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RE: Ford pickup recall
The wording of this is confusing. Not all of those Super Dutys from 2017 have an electric "release". My tailgate has an electric lock but if it's unlocked, the tailgate doesn't open...mine still has to be opened and lowered manually.
Here is Fords language that may be more clear.
"Ford is issuing a safety recall for select 2017-19 Ford F-250, F-350 and F-450 Super Duty vehicles for unintended tailgate opening. In affected vehicles with an electric tailgate latch-release switch mounted in the tailgate handle, water entering the electrical wiring system may cause a short circuit, resulting in unintended switch activation and release of the tailgate latches. This could cause the tailgate to open unintentionally, whether the vehicle is in motion or stationary. This condition may result in the loss of unrestrained cargo, increasing the risk of a crash. Vehicles with a mechanical tailgate release handle are not affected.
Ford is not aware of any reports of accident or injury related to this condition.
This action affects 231,664 vehicles in the U.S. and federal territories and 29,953 in Canada.
Affected vehicles were built at Kentucky Truck Plant from Oct. 8, 2015, to Nov. 3, 2019.
Dealers will modify the tailgate frame wiring harnesses by adding jumper pigtails to isolate the tailgate release control circuits and install a new tailgate handle release switch. The Ford reference number for this recall is 19S48."
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mich800
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12/07/19 07:22am |
Tow Vehicles
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RE: Tesla Cybertruck
"Reason I find it so ridiculous when skeptics are speculating Cybertruck's power drain based on Tesla X -- I'm about the scream, dude, there are already semis out there pulling 80,000 pounds and getting 500 miles range."
All I want after reading this is physical proof. Not that picture from a year ago with the semi sitting there with concrete barriers on it. I want to see an actual weight scale ticket and proof of mileage. And maybe even a new semi instead of those two old, tired examples.
Until then it's all just so much wishful thinking.
Our wishful thinking has at least some basis. This is the same techies called disruptors who moved the needle on EV from 30-mile range into 300. The same people who can make your home in the boondocks totally off-grid and not dependent on polluting carbon-based energy. The same people who revolutionized rocket science with reusable space vehicle and managed to have a rocket landing on a barge (analogy is that of threading a needle from 10 floors up on a gale).
So what do you have as basis other than ignorant heckling?I don't mean to heckle, but you keep putting out this speculative verbiage as if it were a fact. I merely keep pointing out that it isn't a fact yet, it may be someday, but not right now. If you'll quit citing this stuff as facts, and not conjecture, I'll stop "heckling".
Cannot debate wishful thinking. Especially when they claim there is actually a semi in existence that has over 500 miles much less to a single charge.
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mich800
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12/05/19 03:56pm |
Tow Vehicles
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RE: Why Tesla's are bad at towing!
OK there are roughly 50,000 miles of interstate. I'm sure you'd want to add in all those miles of state thruways and such so lets call the total 70,000 miles. These are all multi-lane so let make a guess and call them 6 lanes, 3 each way, on average. Those will be more expensive to electrify so lets call that $1,000,000 a mile which works out to $70,000,000,000. Who is going to pay for that? I vote electric car owners should foot the bill. Plus the O&M costs.
Do we really want the government in charge (no pun intended) of the fueling requirements for travel? That is a recipe for disaster.
So now we get rid of 150k+ gas stations and now the government is in charge of what we pay and when we pay. Sounds like a scary proposition to me.
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mich800
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12/05/19 03:29pm |
Tow Vehicles
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RE: Why Tesla's are bad at towing!
"All marketing hype with no data.
1. Range with how much weight?"
Weight really isn't important. It takes very little power to keep weight moving. Just a little extra tire flex. Where vehicles are hurt by weight is when brakes have to be used to take energy out of the system for stopping and speed control.
More weight actually tilts the scale in favor of an electric truck since it can use regen to recapture about 90% of the energy that would normally be lost to braking.
The real issue on long trips is air drag. This concerns me more because the range of the pickup is given without a trailer. The truck itself is very aerodynamic. This means that a typical trailer with little or no thought given to aerodynamics is going to be felt much more than it would be behind a regular truck. It is going to be interesting to see how much impact trailers have on fuel economy. It might even be worthwhile making the bed cover come straight back from the high point to reduce the amount of wind hitting the trailer.
"2. Acceleration with 80k pounds. How much is profit generating payload not the extra weight of batteries?"
This depends a lot on what you are hauling. My understanding is that a large percentage of box trucks on the road are limited by volume, not weight. Walmart is a big early purchaser and I know that their trucks are generally pretty light. Battery powered trucks should qualify for the weight bonus given to trucks with an APU since they also have eliminated main engine idling.
1. Sure, maybe going downhill or flat. I will wait for the evidence that pulling a combined 80k takes an immaterial amount more energy than pulling empty.
2. So you agree pure marketing BS.
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mich800
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12/05/19 11:10am |
Tow Vehicles
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RE: Why Tesla's are bad at towing!
Funny part is, he is an actual Tesla owner and has made many pro-Tesla videos in the past. I guess he and the guys at TFL are right, the Tesla fanboys are fanatical and will go after you if you say anything that they perceive as a negative about Tesla regardless if it is true or not. Almost like a cult.
He is most definitely an electric vehicle proponent.
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mich800
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12/05/19 09:54am |
Tow Vehicles
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RE: Why Tesla's are bad at towing!
Only limit is range and recharging, Yes? EV should be very good when actually towing. Gobs of torque, always in just the right gear.
Not sure why you called out Tesla as they are as good as it gets right now for towing with a EV. Did you really mean LEAF, Bolt, Kona or something else?
:h who called out Tesla? Are you suggesting that Jason Fenske's analysis is flawed because it references Tesla?
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mich800
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12/05/19 08:25am |
Tow Vehicles
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