Mechanical series tube

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bombastinator

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@Tabac man my mech has vent holes placed around the 510. If I were to use it possible down, with a 21700, the cell itself would block the holes. Additionally, if vented down, wouldn't that be like pointing the projectile at the face, rather than away?
This point has been made before. Specifically about the ageis100. It’s unknown. Will the vent even work? Will flames shoot out of it if it does? How far will they shoot? How long will they last?
 

Punk In Drublic

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@Tabac man my mech has vent holes placed around the 510. If I were to use it possible down, with a 21700, the cell itself would block the holes. Additionally, if vented down, wouldn't that be like pointing the projectile at the face, rather than away?

Battery venting is a low pressure release that might be followed by a bit goop leaking from the positive side of the battery. To my knowledge (cause I am not in the habit of venting cells), the pressure is so minuscule, that vent holes in any device are not needed. If the device does have vent holes, during a venting action they would be more appropriately named “Scent Holes”

As for proper orientation during a thermal runaway event….instead of finding out the hard way if your vent holes are appropriate enough to decompress, and that your device has the tensile strength needed to withstand these great pressures – just DO NOT enter a state of thermal runaway. Safe battery practices :thumbs:
 

HigherStateD

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This point has been made before. Specifically about the ageis100. It’s unknown. Will the vent even work? Will flames shoot out of it if it does? How far will they shoot? How long will they last?
Agreed that most of this is speculation, but to my mind, with the range of battery failure severity, from venting to complete catastrophic rapid self disassembly, I'd wager that battery vents and mech vents should be aligned.
 

bombastinator

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Yeah you're right about that. I was just going off a conversation that I had years ago with the owner of AltSmoke, who had a hand in the design of the Silver Bullet. Many of the mechs back in the day came out of China and that was his explanation why they used the piston-style bottom fire button - cheaper and easier to make.

He helped come up with the design the SB used. A recessed fire button which made it a bit less likely to accidentally fire the button in a pocket. It took quite a bit of pressure to activate the switch. Wired switch which would disable itself if too much current was used. A hot spring that would melt if it got too hot and theoretically break the electrical circuit. The button was also designed to pop out if a battery vented.

img_0120.jpg


I have the beginning of arthritis in all of my fingers, so trying to activate a bottom fire button with my pinky finger is almost impossible. I still have enough strength in the thumb of my dominant hand to press a side fire button, but there are few mechs using that design. AltSmoke no longer makes mods, but I still have one of the originals in my stash.


You might possibly be a good candidate for a VV mod. They’re mostly side fire and they generally use electronic microswitches rather than big mechanical ones so the switch weight is often very low. It will all depend on how exactly your hands work though and you’re the expert on that one.
 

stols001

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Um, you know what IS necessary? A back wheel brake. I have to be honest, I do think a front brake is NOT as necessary as the back one and quite frankly if all you have is a front break, and you use it, it is quite easy to FLIP your dang bike.

I'm sorry but a front brake is NOT necessary it's kind of like insisiting all cars need to be 4 wheel drive. Sure, it's nice to HAVE but if you have skill in the snow you can get by with a front wheel drive car and decent tires (at least I can) and well even if you have a rear wheel drive car like a Volvo, per say, you can put several hundred pounds of mulch, sand or whatever back there and BOOM. You can drive in the snow and if you get stuck, you can use it.

Hehe. My dad taught me that trick and how to drive in the snow. I am probably a better SNOW driver than I am a regular driver because I pay CLOOOSE attention and I know I have to know exactly what my car is doing, etc.

That is how I feel about mechs I bet I'd be pretty good because I DO pay close attention to dangerous things, I guess I also don't care where the vent holes are I will Make it Work.

I am also the love child of MacGyver except my dad was probably as good teacher. He did not only make you KNOW the "why" questions, he drilled them into your head.

I think my shameful "first day of driver's license" accident hurt him deeply actually. I backed out of the driveaway..... Into a glass truck across the street. LOL. He was not happy. This was AFTER making me change all four tires several times, drive the beltway exiting and entering each exit in both directions, twice, in a marathon session.

He realized he was never going to get me to understand backing up. And also I had to give my parents all my work money for months and then my dad made me do his test "again." He was like, "my progeny is also my greatest failure" kind of thing.

I'm sorry! I LOVE mech and car analogies!
Anna
 

Baditude

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You might possibly be a good candidate for a VV mod. They’re mostly side fire and they generally use electronic microswitches rather than big mechanical ones so the switch weight is often very low. It will all depend on how exactly your hands work though and you’re the expert on that one.
I already have a few Provari, which are side fire variable voltage regulated mods. My two JAC Vapour DNA75 are side fire variable wattage regulated mods, as are my two Geekvape Aegis. I don't need more mods. :lol:
 

bombastinator

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Um, you know what IS necessary? A back wheel brake. I have to be honest, I do think a front brake is NOT as necessary as the back one and quite frankly if all you have is a front break, and you use it, it is quite easy to FLIP your dang bike.
. I can confirm this one. I’ve done it. It hurts. A lot.
I'm sorry but a front brake is NOT necessary
depends on the definition of the term. Necessary for what for one thing. Front wheel brakes often provide up to 80% of braking force. Really old cars didn’t have front brakes at all. They don’t stop very well though. Like really not well. The first recorded use of front brakes I know of was an inter manufacturer beach race held between Detroit automakers where the creator (Plymouth? I forget. Might have been packhard) absolutely crushed the other racers. It would be fair to say that the existence of rear brakes are MORE necessary than front brakes.
it's kind of like insisiting all cars need to be 4 wheel drive. Sure, it's nice to HAVE but if you have skill in the snow you can get by with a front wheel drive car and decent tires (at least I can) and well even if you have a rear wheel drive car like a Volvo, per say, you can put several hundred pounds of mulch, sand or whatever back there and BOOM. You can drive in the snow and if you get stuck, you can use it.
. It depends a lot on the design of the particular vehicle. My ex quasi-brother-in-law had a Porsche Cayman that he couldn’t even get up his own driveway if it was icy. I’ve got a GTI which is FWD, and I would term it’s snow performance “not great”. 4wd has advantages and disadvantages. I notice for example that if we have a true blizzard around where I live most of the vehicles piled in the ditch are 4wd. Driving knowledge beats the heck out of 4wd on snow.
Hehe. My dad taught me that trick and how to drive in the snow. I am probably a better SNOW driver than I am a regular driver because I pay CLOOOSE attention and I know I have to know exactly what my car is doing, etc.

That is how I feel about mechs I bet I'd be pretty good because I DO pay close attention to dangerous things, I guess I also don't care where the vent holes are I will Make it Work.

I am also the love child of MacGyver except my dad was probably as good teacher. He did not only make you KNOW the "why" questions, he drilled them into your head.

I think my shameful "first day of driver's license" accident hurt him deeply actually. I backed out of the driveaway..... Into a glass truck across the street. LOL. He was not happy. This was AFTER making me change all four tires several times, drive the beltway exiting and entering each exit in both directions, twice, in a marathon session.

He realized he was never going to get me to understand backing up. And also I had to give my parents all my work money for months and then my dad made me do his test "again." He was like, "my progeny is also my greatest failure" kind of thing.

I'm sorry! I LOVE mech and car analogies!
Anna
 

bombastinator

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I already have a few Provari, which are side fire variable voltage regulated mods. My two JAC Vapour DNA75 are side fire variable wattage regulated mods, as are my two Geekvape Aegis. I don't need more mods. :lol:
Lol. Not you. I’m sure you’re more than covered, sorry. I was attempting to speak to the OP who apparently only has 808 stuff. Imagine that in this day and age. Wild.
 

Rossum

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What are those?
Mechanical squonkers. Made some years ago by vendors right here on ECF.

The battery goes in positive end up. The positive side is switched. You could put a battery in either of them with no wrap on it at all and it would run fine. The tops are held on by magnets and would easily come off if the battery vented any significant amount of gas, so there's no danger of pressure build up in the mod.
 
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