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go watch the river monsters program. they actually catch one huge stingray on that.

the thing about good ideas is many people make those things independent of each other. so if it was a good idea and its been suppressed, it simply pops up elsewhere.
the big one is to take patents...

that would be very dangerous. acetylene becomes explosive when under pressure (>15psi) and combine that with the air in a fuel tank.

i remember one. exhaust testing picked up co2 etc so it had fuel of some sort.
i suspect what they had made was fuel emulsion, ie combined water and fuel.

remember the HHO craze.

don't start on that one!

article in the paper of some brain dead investor who poured heaps of money into that dead duck. now trying to whip up a fenzy so they can offload their investment.

yes...

is BS marketing at best, misinformation at worse.



its called a fuel cell. it charges the onboard battery. of course you need to feed it hydrogen.

the RAT provides emergency electric power and hydraulic power. the engines are the primary supplier of electric and hydraulic power.

a good example is the Pakistan A320 crash where the RAT...

to quote that article, "The power source for the nano-diamond battery is intermediate- and high-level radio isotopes ".
so really its more like a fuel cell. which charges up a battery when you...

i thought you where joking.

hybrid cars have a petrol engine charging the battery. so they are not much different from a normal car.

they (and ev's) also use regenerative braking to charge...

even short flights with mid size is out of the question. there is small aircraft, ie 5 people, that can do really short distance. but thats about it.
one thing is aircraft safety means they must...

it will help, but its not a big leap forward. energy density is still no where near enough for heavy vehicles.
it will make cars longer range, or use smaller batteries to keep weight down. ie short...

i doubt they will improve green hydrogen efficiency all that much, after all its just a means of transporting energy. if you have a nice big dam hydro power station goign to waste seling dirt cheap...

i can't recall which one does which. however it common subject now because of all the cheap LED lights which use capacitor dropper power supplies.
ie your 2 watt led takes 5 watt to run. however...

thats why i went to the 10 year battery models. the cavius brand i have no issues with, its just these others.
the cost of replacing 9v batteries is more than the cheap smoke alarms.

having one...

because its such a random failure, extremely annoying and possibly dangerous. it might take months if not a year for it to fault again.
its not just worth keeping.
once i get some replacements i...

update.
possibly i have date code wrong.
however i did find a similar chip and wiring diagram to it.
a couple of interesting things is that it actually runs on about 9v. the 3v is upconverted to...

yeah theres thousands of these "devices" going back man many decades.
all based around the idea of power correction, which is actually a thing. installing a capacitor to offset the inductance from...

personally i try to get the best chipset i can. budget chipsets tend to give the most problems.
not saying you have to get super gamer one, but just a basic one built around the better chipsets.

i have a couple of family shield mini smoke alarms and one of them started randomly beeping in the early mornings. we have just got some cooler weather.
i found a few reviews that said they are poor...

warehousing is a big cost. which is why many companies here closed nz warehousing of repair parts and started sourcing from aussie.

no regulator should ever be regulating based on race, any race. as simple as that.

i can understand the want for Māori to have representation equivalent to their % of population. but there is...

not something i've seen here.
we have stores which sell these sorts of things. plus we are such a small market we tend to be on the end of the chain.

thats the one. thanks for that.

trouble is its not just a straight forward swap. the gel cell replacement type lith batteries don't have high current output. so your probably going to have to fit a sustainably bigger battery.
my...

a flying car landed into the side of a bus yesterday couple of towns over. i'll see if i can find a pic. surprising that someone walked away from it.