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 > Your search for posts made by 'BenK' found 359 matches.

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RE: 2018 Safety ratings pickups

Pilot’s and Ridgeline’s are both derived from the Honda Odyessey platform. And all are NOT a full sized van or CUV or pickup...Honda lists them as “mini” or “sub” or “mid”... Both CUV’s have addition of a small frame to buttress the Odyessy Monocoque. I bought a used Odyssey and can attest to how stiff the Monocoque with 7 adults & luggage on board is running on rough dirt roads (elderly and did not want to get in my Suburban to a church picnic) *ALL* have similar GVWR & RGAWR. Around 6,000 lb GVWR and around 3,200 lb RGARW....vs...lowest full sized pickups 6K-7K GVWR and +4K RGAWR. These are the things most important to me...but...know am in the vast minority...as most only look at marketing nomenclature and payload (lost to them is that since lower class...they weigh less, therefore has higher payload due to that fact) On the headlamp...that is the North American attempt at European E-Code headlamps. That line between darkness vs light is called the “cut off” and is the desired metric to NOT blind with a constant light to the eyes As for the comment of on coming E-Code cutoff bounce...think they are not adjusted to code. In California, it is 2 inches down below level for each 25 feet forward, IIRC.
BenK 12/11/17 11:21am Tow Vehicles
RE: Carbon Fiber GMC

It is to protect the resin (binders) more than the fiber, whether it is glass fiber or carbon fiber (carbon black dust is employed as the UV protective material in many things...like tires) Also to be the sacrificial protective layer for the resin/binders against UV and O3 damage... Also, there is a difference between sacrificial coatings....Clear coat is paint and the gel coat on fiberglass/CarbonFiber is clear/colored resin
BenK 12/10/17 12:36pm Tow Vehicles
RE: 2017 F-150HD or F-250?

But...also said: "....Buy a truck/SUV that will safely do the job of towing..." Too many don't understand and if told...ignore the fact that all things designed are not for the good days out there...but for the day Mr Murphy crosses their path Designers (and team of lawyers, etc) cover themselves & the corporation via 'specifications'...of which is their warranty of their product...AKA ratings that few follow or even believe in... Logic says I think this is where you will lose a lot of people on this forum.:B
BenK 12/10/17 11:39am Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

PPS...Turtle... Yup...yup...yup... :B
BenK 12/10/17 11:30am Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

All of this indicative of why regenerative braking isn't up to snuff just yet with the current battery technology. It takes way longer to recharge than to discharge Lith-Ion batteries A kinda sorta can do if there are enough batteries in parallel, it can absorb (recharge) to kinda sorta be regenerative braking by turning the kinetic energy into electrical storage energy. Kinda sorta because the regenerative braking power is chopped up into small amounts spread over lots and lots of individual battery cells...but the good Lith-Ion batteries has individual chips that protect them from many potential ills...like input too much in too short a period...or drawing too much out of them in too short a period... Another why of them not saying (albeit somewhere in very fine print) that these 'fast charger' stations reduce the life span of Lith-Ion batteries. Fast charge leaves some of the chemicals in crystalline structure and NEVER can be turned back into the good stuff of which Lith-Ion needs to convert to crystals during discharge. Why some chargers 'hit' it with spikes that break up the crystals back into the good stuff...Very short bursts of higher voltage over time & cycles it during the charge than the fast charge stations can provide. Another that they don't dwell on...if you discharge Lith-Ion below a certain percentage charge...it reduces its ability to full recharge. Go even lower in percentage charge and it further reduces its ability. And finally if you go below another threshold...the battery will give up and NOT charge at all This is where saline batteries shine. They can be discharged to ZERO and dry up the saline to a dry powder...add water and it is 100% good to go. Of course the electrode is the key issue right now and a couple startups working on that here in Silicone Valley where I live and work Graphene batteries are embryonic and not enough info, yet...they have been known for decades...but the cost of graphene 'was' why too high. A group of kids at a tech college broke that this year and it is off to the races on who can develop & patent the new battery process(s) Why never see the percentage discharge or left capacity in their claims of miles it can travel. Some discharge down to one of the above thresholds to gain a few more miles claimed and not tell that they have hurt the battery. Currently, there is no industry standard to measure their claims against. Maybe a good percentage might be something in the 40% left line... PS...Costco gasoline isn't just less per gallon than anyother locally, but the percentage give back more than pays for my time. As have to spend time in line no matter where I fill up and if they pay a small percentage back...buys me some pretty nice lunches/dinners with that check each year...
BenK 12/10/17 11:17am Tow Vehicles
RE: Carbon Fiber GMC

There is a misconception of how tough carbon fiber is... Yes, stronger than steel...but to get it in reference...weight vs tensile strength is higher than steel Think most understand fiber glass better and just think of carbon fiber as the exact same as fiber glass...but with a better or higher tensile strength fiber....carbon vs glass(on that...many don't know that the fiber glass...fiber is window glass spun into fine fibers). The resin binders are about the same stuff. Both use the same or similar pre-preg and/or layup system While on this...am in wonderment of where those folks who say their garden supply only loads pallets of stone...so aluminum bed is fine...well...in my area, all of the garden supply places use a bucket dumper to load stone into pickups. See pickups jumping up and down during those 'dumps' all the time...and...know one driver/owner who lifts the bucket as tall as he can to @ss#oles who give him a bad time on pricing of his materials... :B Sure, 'some' are palletized, but those are the expensive stuff. Like slate, flat rock, ornamental stone, etc
BenK 12/09/17 12:05pm Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

Ops...messed up speed reading...so off base...deleted...
BenK 12/09/17 10:07am Tow Vehicles
RE: Carbon Fiber GMC

Airplanes don't have much left to them for repair after they crash... :E Carbon Fiber is a wonderful material, but there are good applications and then there are poor applications... Also...am NOT a fan of bonded seams. Of which most plastic vehicles are going to and metal vehicles a likewise Welded & bonded seams are okay with me though Bottom line is that the vast majority of pickup and SUV buyers are NOT buying them as work trucks. More fashion statement crowd. Here has more who actually use them for work or HD usage This all has me noodling if I'll ever buy used bonded seam vehicles. Time will tell...
BenK 12/09/17 10:04am Tow Vehicles
RE: Suburban dilemma

Ah...more info and indicative of "load dumping" circular cycle...never ending until both the battery and alternator (or more components, as they take out lots and lots of components in that food chain) are replaced with new or 'good' rebuilt Know folks don't know...nor believe of 'load dumping'...so do a search for believable info Here are a few found in seconds Wikipedia...classic definition, mainly automotive Just a basic info site on how an alternator works Note that semiconductors do NOT like, nor survive for long seeing voltage spikes (load dumps). Typically filtered with R/C circuits, but some employ MOV's (and they are painted cherry bomb red for a reason) Info on what "load dumping" is One automotive "load dumping" circuit But...the best solution is to have your electronics savvy mechanic do the diagnosis and work. Bottom line is that, IMHO, the battery, alternator and regulator are toast and needs replacement "at the same time"... Your on-board computers 'should' have protection built into their power circuits to avoid the voltage spikes load dumping generates...but only up to a point before they are compromised. One condition that will compromise them is too many voltage spikes along with too high a voltage attained Good luck
BenK 12/08/17 01:39pm Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

Hi John...thank you for the kind comment...intellectual stuff is natural to me...more than second nature...no thought per say...it just pops to mind.... Here is one of the whys liquid hydrogen is tough, tough as an everyday fuel source...storage. Container metrics would be expensive to make, and maintain. Keeping it at or below -425*f would be tough and worst in hot climates. The pressure needed to maintain H2 in liquid form is around 350 bar (5,000 psi) and 700 bar (10,000 psi). So the tank must be a GREAT insulator and pressure vessel Think most folks have seen liquid nitrogen and liquid oxygen trucks driving around industrial areas. Next time note that they have a plume of 'white smoke' and that is their pressure relief valve working...both not explosive but hydrogen is...see below quote as to why liquid H2 is tough and costly Technifab.com article on liquid hydrogen Liquid Hydrogen (H2) typically has to be stored at -423°F (-253°C or 20 K). The temperature requirements for liquid hydrogen storage necessitate expending a great deal of energy to compress and chill the hydrogen into its liquid state. The cooling and compressing process requires energy, resulting in a net loss of about 30% of the energy that the liquid hydrogen is storing. The storage tanks are insulated to maintain temperature. Liquid Hydrogen is often stored at higher pressure so significant reinforcement is used. The margin of safety concerning liquid hydrogen storage is a function of maintaining tank integrity and preserving the temperatures that liquid hydrogen requires. Combine the cost or energy required for the process to get hydrogen into its liquid state and the cost of tanks required to sustain the storage pressure and temperature, and liquid hydrogen storage becomes very expensive compared to other methods. Research in the field of liquid hydrogen storage centers around the development of composite tank materials, resulting in lighter, stronger tanks and improved methods for liquefying hydrogen. Scientists had been producing hydrogen for years before it was recognized as an element. Written records indicate that Robert Boyle produced hydrogen gas as early as 1671 while experimenting with iron and acids. Henry Cavendish first recognized hydrogen as a distinct element in 1766. Composed of a single proton and a single electron, hydrogen is the simplest and most abundant element in the universe. It is estimated that 90% of the visible universe is composed of hydrogen.
BenK 12/08/17 11:53am Tow Vehicles
RE: Suburban dilemma

snip... 1. The stupid thing has ghost in it. An electrical problem that randomly completely resets the computer. The clock will be reset. No error lights on the dash. Sometimes when this happens it will not start. Turn key, NOTHING, no click, no dim lights. NOTHJNG. wait 1!hour, starts right up. It has done this to me twice while driving, leaving me and my family stranded on the side of the interstate. Once while pulling the camper. Key to me...the only way to 'completely reset the computer' is to remove power to the computer...and the computer power circuit most likely has a large capacitor to both smooth (filter voltage spikes, transients, etc) and hold power for a few seconds or more...so that means power gone not just a second or so, but longer That is where the problem is and where my suggestions started...with the power source...the battery Has the battery itself been load tested ? If it is bad...it could have also load dumped the alternator making it kill subsequent 'new' batteries Or the circuit between the battery and the computer has an intermittent connection(s) Since bought used...check if the fuse-able link has been replaced...or somehow compromised...or maybe previous owner(s) installed a battery disconnect system...stuff like that is my now best guess is the culprit
BenK 12/08/17 11:37am Tow Vehicles
RE: 03 Silverado oil pressure

Agree with Kevin and add Did you just 'cleanse' the oil system with some sort of chem? It might have loosened something to partially clog the intake of the oil pump Agree with others...did this happen after your oil change and filter change? Some filters, even the best, can has a marginal one to limit oil flow. If it has a high flow restriction, it will become a limiting component for oil pressure Also agree with Kevin and your mechanic should likewise use a 'good' pressure gauge tapped into the line to check it. Otherwise shooting in the dark changing out parts to just by chance nail the problem
BenK 12/08/17 11:03am Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

Hydrogen (liquid) is currently NOT a good choice for automotive, albeit several are pitching its use The only pulbic processes that I know of are not ready for prime time, yet. Two of my SunLabs Skunk works patented a solid state compressor that can turn gas to liquid in ONE CYCLE with no moving parts, but it is sitting on their IP shelf with no one knowing it exists nor how it works... Traditional methods of generating, storage, compressing to a liquid, storage, transportation, storage and final delivery to the customer is both too expensive and dangerous...for now #1 hope was algae production, but keeping it separate and/or separating it from O2 a problem. As the algae needs that O2 to survive. Very large green houses were built out in the desert (IIRC NM or AZ) but never heard of them again #2 is the latest discovery that a certain type of solar cells generate hydrogen as a by-product. Be experimental...stay tuned Hydrogen has LESS energy than dino fuel and battery's of today's technology Do not forget...that those mileage claims for a 'commercial' truck should be at GVWR/GCWR...otherwise a shell game. That battery would eat up both GVWR room and cargo room. But, some projections of graphene based battery's might weigh much less than current Lith-Ion battery's...maybe he is thinking that...but then what about his +$5 billion Giga Battery factory for Lith-Ion battery's ??? Musk is an intelligent guy and smart too...but wild in his dreams (much of today's products are from dreamers of whatever fields they work in, so he is on that track)...my issue is with his claims for 'production' level products...he 'can' due to the free money he has at his disposal...until share holders and free money sources (DARPA the main one) call his positioning with a 'product' that meets spec... Simple look see of the "Laws of Physics" for his vacuum tube HSR system...am a technologist and LOVE this stuff, but have a toe in the real world having to deal with actually releasing designs to production side of the corporation to make MONEY by producing it in volume Hundreds to thousands of miles worth of vacuum tube large enough to house a train full of people (they would die if exposed to that vacuum...safety evacuation is another issue). What is the failure mode for those people? How much on-board air will there be? How will they get out? Has his team assumed that since an accident...the vacuum has broken and breathable air is now present? How much energy would be needed just to maintain that vacuum 24/7 with trains running at or over the speed of sound? Ground shifting from earthquakes, construction on top of, nearby, etc would need to have a compliant tube system...but then the alignment for a, say 10 car train would need very tight tolerances throughout the plus thousands of miles run...or section it off...but then what happens when a MACH 3-5 (his claims IIRC) passes through those joints ??? Then the seal between the vacuum section to the station whereby folks (live people breathing air) board and get off ? Okay, during the slow down and the 'joints' it passes through have 'seals'...but then how do you maintain those seals between the tube balls and the train??? Stuff like that are not known to the public and think he hasn't a clue either...AKA the devil is in the details...
BenK 12/08/17 10:50am Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

News flash from the past...my bag lunch caught fire one day while testing some new designs powering a traction motor for a tire test stand RMA ordered (total of six). Was still in college working part time...Saturday and brought my paper bag lunch...ate the sandwich but left the cookies for later. Left the bag on top of that electric motor and started the load test, as the morning had us test the circuits & bumping the system (gear box,drum and the rest of the system) After about less than 20 minutes...smelled something burning...then the flames above my head almost caught my hair on fire... An industrial motor of the class we were designing to has a Class H insulation/temp spec. That is 180*C or 356*F max temp...at 100% duty cycle. Meaning it can run that hot all day Don't know what automotive main electric drive motors are designed to, but would assume NOT Class H. Maybe Class B or somewhere in that neighborhood Heat is from losses in the system...Power wires in the motor...to the motor...motor casing, etc, etc... Absolutism will have all lumped into the same bucket as 'one' example...one good...therefore they are all good or like that...one bad..therefore they are all bad or like that... Tesla's batteries are liquid cooled. They 'were' going to include the motor, but my physicists quit during that discussion and I no longer know anyone involved at that level. Anyone know if Tesla's have liquid cooled system for the motor & controller? Plus on that, the batteries were NOT flooded but sprayed with liquid to take advantage of phase change... Cooling an electric motor is a non-event. Electric motor does not make power through heat but rather electromagnetism. Don't worry lots of people have trouble getting their head around this. Oh, I see. See if you can put your hand on my 1 HP compressor motor after it's been pumping for about 15 minutes. LOL :R It's got that magic "electromagnetism" too. LOL and You can lean on my vehicle electric motor after running down the freeway and it is cool to the touch. This is a Tesla motor in a Toyota RAV4.
BenK 12/07/17 03:28pm Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

Am not opposed to electric vehicles...just the opposite Been a huge fan of electric vehicles since my days working through college & first career working part time as a designer for a small startup producing controls for Electric Motor Controls for industry, military, people movers, factory automation, process control, robotics, etc...circa late 1960's to mid 1970's and the largest robots in the world circa 1980's to early 1990's An electric motor (motor not engine...engine is for ICE's) is superior in may ways to ICE's and ICE's are superior to electrics in a few areas (higher RPM range, fuel easier to carry on board and a much more mature supply chain for fuel) Electrics shine over ICE's in regards to less moving parts (less complexity and parts to wear out), their torque curve vs ICE's and the ability to regenerate (both pull back kinetic energy to be restored in the battery and braking). On that 100% or more torque at ZERO RPM is hard for many to grasp...think or ask why ICE's have an electric motor starter... With a good electric motor and more importantly, a very good controller...electric motors can attain +200% torque and some if they have enough thermal duty cycle...+300% torque at ZERO RPM and all the way up to their max RPM...some can even be driven past their specification RPMs and again dependent on their thermal capacity(s) Best electric motors would be series wound, or separate field with separate controller to weaken it, but those motors are too expensive for civilian vehicles But am not a fan of the way Tesla and Musk's other endeavors handle their 'free money'... Interviews with Tesla during their first cycle and several of my physicists likewise. We all knew the flaws and issues of their architecture. Two of my guys warned them about their belly battery needing more armor and after that accident whereby that poor lady was skewered by a length of electrical conduit...lead to the new plate on the belly on current/future vehicles First vehicle had ICE architecture, but with an electric motor in place of an ICE. During my interview told them to toss the multi speed tranny and spend that money on the controller. They did fire almost half of their crew (most were from the same corporation that laid them and me off) and re-architected the Lotus body to become pretty much what it is today There is really nothing wrong with the current offerings and again, I'm not a fan of how they run their companies. China 'was' a big market, but the news telling of how the Chinese internal electric products are going to wipe out the Tesla presence in China soon...
BenK 12/04/17 03:31pm Tow Vehicles
RE: Tesla Semi truck unveil & test ride set for Oct 26th !

Any other OEM would have gone bust running negative for years and only becoming positive in 2017...just barely and only a few months The Giga Factory is way behind schedule and a bit over budget...now approaching +$5 billion bucks...vs...IIRC their projected $4.6B (know projections are just that, but at this level of share holder money...nuts) Magnesium-Ion batteries are coming, Graphene batteries are coming and even solar cells that produce hydrogen as a by-product are coming. All in development (left the research phase) and should be here in a couple years Ditto capacitor batteries, but the controller for the levels of power for automtive's main propulsion not here yet. Mainly cost to benefit. They are coming for bicycle and regenerative braking the biggie for me. Their biz plan is missing one key point, IMHO...By purchasing Solar City...they effectively forced all others to NOT buy from Solar City...their competition. The Chinese and Japanese love this. A ditto for Giga Batteries...the other automotive OEMs will try like heck to NOT use a competitors batteries but a 3rd party's batteries. As there are many 3rd party sources world wide Tesla's Musk is spending, spending IPO monies like water and wonder when that ponzi scheme will dry up...
BenK 12/02/17 10:38am Tow Vehicles
RE: Trailer Hitch/Accident Concerns

Unless you have X-Ray eyeballs and/or a magnetic flux field generator with lots of iron dust to sprinkle on it...I'd get a new one Brand new prices range from around $150 to $250 bucks, plus about an hours time to remove/install Then the frame of your TV...have it inspected and signed off in writing that it is straight Vehicles are designed with crumple zones that collapse to absorb the energy of a crash. Not all of the energy was absorbed by that car, as your truck also took energy from that crash. Work hardening and micro fractures are there. Question is how extensive is it. Plus on a high, dynamic stress component that connects your TV to trailer. "Tin Canning" is the potential issue over time. The cost to have it X-Ray'ed or MagnaFlux'ed would cost close to or more than a brand new one Low cost enough to replace the receiver and not worry about it. That is just my opinion...
BenK 12/01/17 08:38am Towing
RE: Suburban dilemma

Sorry, not up on all of the changes and apologize...yours has top post, so my comments out in the weeds... But, interesting to me enough to look and found this one pointing to the OEM negative lead being an issue that causes total power loss Check it out...might be your issue. Key is total power loss to reset. Nothing else can do that, that I can see. Cam sensor...nope, not over night as it has nothing to do with the power system, other than being a consumer of power YouTube video on GM negative lead issue
BenK 11/29/17 12:12pm Tow Vehicles
RE: 2002 Silverado 2500HD parts availiblity

Ditto here, as keep my vehicles a loooooong time Hope the OEM's keep using corporate parts bin mentality to keep the parts in volume and current era vehicles Why I'll not buy specialty TV's. Cars a maybe if I'm in love with it, but that is rare for me
BenK 11/29/17 12:07pm Tow Vehicles
RE: 2017 F-150HD or F-250?

IMHO... The higher class truck has more rating & bigger: GVWR, front and rear GAWR, frame, bigger suspension, brakes, truck class tires, better potential to manhandle the situation when Mr Murphy crosses your path, etc, etc, etc The lower class will have a better 'ride quality' and higher MPG (when not towing...it weighs less by hundreds to 1K less), passenger class tires, etc, etc THAT is what makes the difference between the lower class half ton TV vs higher class TVs Think many get confused with the fact that most OEM's use the same body between most their pickup classs (trim differences) bolted on what makes the difference in class ratings: frame, suspension, etc Why the lower class TV will have higher MPG when running empty/not towing and still has similar to higher HP/Torque ratings....and....when towing similar to same/similar lower MPG when towing heavy as the higher class TV When forced fed...to say around 15 PSI...that +2.x to +3.x liter ICE will behave like an approx +5 to +7 liter ICE in HP/Torque and MPG Key to that higher MPG when used as a grocery getter is when it is not spooled up and then it is a +2.x to +3.x liter ICE...because it has been forced fed similar/same amounts of both air and fuel as a big block Hybrid, My 7.3 liter diesel makes around 300 hp and will tow 15,000 pounds. You might be confused. And an Ecoboost makes 375 HP and can tow up to 13,200 lbs. Slight hyperbole by another poster... but his point is made. The F150 Ecoboost, properly equipped, has more HP and can tow almost as much as your F350. How is the F150 a "grocery getter" and your F350 is a mans truck? The "mans truck" has less HP and only tows 1800 lbs more. Anywho... is it camping season yet?
BenK 11/24/17 09:38am Tow Vehicles
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