>>2865454
You can even wear a hat on top of the condom for extra style!>>2864821
>that would also decrease drag
Exactly. Lower drag on prop = lower thrust.
>Seems doable to me.
Where did you get your numbers from? A lot of them seem to be ass pulls, which aren't useful for actual engineering.

Also, are you generating electricity solely from solar? I thought the entire point was you were turning the potential energy from your altitude into electricity.>>2864264
>welding a copper pipe
Welding is join 2 pieces of metal by melting them and they fuse together as they cool. I very much doubt you are doing this with copper pipe. You are probably brazing them, which is where you melt a 3rd metal and it cools and joins 2 pieces together. This is also called soldering and is what is normally done with copper pipe.

The secret to a good braze is a clean surfaces and flux. For copper pipe, you very much need to empty the pipe.>>2864821
>Lets say the whole thing weighs 1kg
WP9-12, a 9 Ah battery, weighs 2.4 kg.>>2856585
>You can partially unscrew one of the screws to allow the lighter to stand upright on uneven/non-level surfaces.>>2856585
i gotta get me one of those>>2856585
This man needs a job in marketing>>2862337
why>>2867576
glues the screw in so it doesn't work out again>>2867576
makes them shiny>>2867688
If I made my diy projects shiny I think my roommate would be more excited about them.>>2867593
i'm gonna be honest bro i've worn glasses for most of my life and never had a screw come out, and i buy new ones like once every 5-6 years so idk what the fuck kinda shit glasses you have or how hard you destroy them>>2856585
kek>>2861792
>knipex
what's the deal with it? everyone acts like their tools are the second coming of Christ, but when I looked up some stress tests etc. they seem on par with much cheaper brands, like Irwin or DeWalt, e.g. https://www.youtube.com/watch?v=6bnqFwAf7HM or https://www.youtube.com/watch?v=1BQEy8jt47g
is all just good marketing?>>2867978
Because those specific videos you posted, Todd’s trying to see if a linesman plier will cut through a socket adapter, which is sort of retarded. Some of his videos are informative, but typically with cutting tools, most people want something that will cut well for a long time, not a tool that will cut through something absurd once without snapping in half but have a super dull cutting edge by the third time.

If you watch the more recent end cutter video, or like the mini bolt cutters, the stuff where he starts going through drill bits and hex keys with tools that are made for cutting that stuff, you can see how the Knipex steel starts to shine.

On the Cobras and other pliers, they feel the same as cheaper pliers when you go to grip pvc or copper, but by the 100th use and you want to grip something made of steel, the cheap tool is going to slip and slide while the tool with proper metal and hardening still grips great.

ITT useful hacks, secret methods, forbidden knowledge, etc.… will a 9volt do it or do you have to attach a stripped extension cord powered by 110 volt?

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