World Web shooter shop class - Part 1

[MarvelFan1]

that was actually what i was planning on doing!

 

[jamisicus6]

At some point I'm going to make up a mock ejector and test it with water just to check the voltage required and RPM effects and such. Luckily the Physics department has a high voltage power supply lying around somewhere. I might make some adjustments to the design as well, I've got a few ways of improving it now

 

[nolder]

At some point I'm going to make up a mock ejector and test it with water just to check the voltage required and RPM effects and such. Luckily the Physics department has a high voltage power supply lying around somewhere. I might make some adjustments to the design as well, I've got a few ways of improving it now

physics department? are you also at an university like I am?

 

[jamisicus6]

physics department? are you also at an university like I am?

Nope. Sixth Form. I'm still doing my A-Levels. I just like reading ahead

 

[nolder]

Nope. Sixth Form. I'm still doing my A-Levels. I just like reading ahead

Ah ok. I'm at a university in New York

 

[jamisicus6]

Ah ok. I'm at a university in New York

Perfect setting for first trials of the finished product then

 

[nolder]

Perfect setting for first trials of the finished product then

haha indeed. If a formula we make is able to hold a human weight plus gravitational forces, the other problems are surface area of the adhesion on the buildings as well as the humidity causing more moisture to develop on higher surfaces (Manhattan, of course, being surrounded by rivers). Too much to go wrong for "first" trials hahaha t:

 

[jamisicus6]

haha indeed. If a formula we make is able to hold a human weight plus gravitational forces, the other problems are surface area of the adhesion on the buildings as well as the humidity causing more moisture to develop on higher surfaces (Manhattan, of course, being surrounded by rivers). Too much to go wrong for "first" trials hahaha t:

I've got a few ideas for first trials in and around where I live. Several buildings with high ceilings that could be used for suspension tests, but swinging would have to be done outside.

 

[Bdude101]

Guys if you want to swing, be really safe. Swinging from this stuff will be dangerous and I advise you use padded equipment or a testing dummy and do remember that this is the webshooters forum.

 

[SUP]

Ok, so to SUP Kudos.

this picture:

Is EXACTLY what a web shooter is supposed to be. A valve and an actuator connected to a fluid source by a line. This is what I did with my tilt valve. (I wish I would have shown you guys my shooters working before I broke my tank)

Anyway, that is what everybody needs to work on right now. Make the valve, the actuator, and the tube.[/QUOTE/]
Tnxs WW, btw i also found something interresting, check this out : http://cache.krop.com/vehiclesix-4ff656d41131808.jpg

 

[Bdude101]

The shooter will have a heating coil, spinneret, high voltage battery or multiple 9 volt batteries, a pressure vessel, a valve, a trigger, hypodermic needles, a fluid holder, a tube, and some other stuff? Do you guys know what I am missing?

 

[Bdude101]

Or maybe the liquid could pass through the heating coil around it as it comes out of the valve from the propellant CO2 vessel?

 

[jamisicus6]

Or maybe the liquid could pass through the heating coil around it as it comes out of the valve from the propellant CO2 vessel?

Right. Ideally you want the webbing being heated before its ejected. So, in the space between the spinnerets (whether you're using my design or not) and the storage, You'll want the heating coil to be wrapped around the outside. This is simply because the webbing needs to be heated to counteract the cooling effect from the Gas and to make the acetone evaporate.

Drawing up improved plans for the Spinneret plate as we speak. It helps that I have cannon proof that that's how it works now.

 

[nolder]

Or maybe the liquid could pass through the heating coil around it as it comes out of the valve from the propellant CO2 vessel?

easy with the double post. press edit post instead please.

are you saying a heating coil after the co2 cartridge or after the pressure/fluid vessel?

 

[MarvelFan1]

How would the web pellets be made?

 

[Iron_spider]

Tnxs WW, btw i also found something interresting, check this out : http://cache.krop.com/vehiclesix-4ff656d41131808.jpg

Sweet. I especially like how the spinnerets are similar to an actual spider's. That's pretty cool.

 

[White_widow]

Let's simplify things again for this forum too.

a web shooter= a valve (V), an actuator (A), a spinneret (S), tubing with couplers (T), and a pressure vessel (PV).

V= tilt valve or solenoid valve.
A= lever, wire/pulley, or switch
S= I will comment later.
T= polyethylene or polypropylene tubing; any that is solvent resistant.
PV= a schrader valve connected to a cylinder, connected to a coupler.

Now the spinneret is the hardest part of this, but it is dependent entirely on the method that we are trying to perform.

Dry spinning- requires a heating source. You can use a heating coil, but I found a more efficient style. You can buy lightbulbs whose sole purpose is to heat up things. I found a small lightbulb that on 12 v can hit 300 degrees celcius. Use regular air in dry spinning.

Electrospinning- requires a transformer, a battery, two connecting nodes, and some needles.

Gel spinning- use the heating system from dry spinning, but use CO2 instead of air.

Now let me explain why spinning is necessary.

Polymers gain their strength via crystalline structures, and their elasticity in amorphous groups. The spinning orients the polymers to line up the crystalline form. This is why the spinneret is completely necessary. The polymer is forced through the tiny hole, aligning the molecules. The cooling bath helps coagulate the formula. It gives it additional properties.

the electrospinning is good because it creates a consistent fiber that is forced to be compressed and molecules aligned. It is dry spun mixed with electrospraying.

 

[nolder]

Let's simplify things again for this forum too.

a web shooter= a valve (V), an actuator (A), a spinneret (S), tubing with couplers (T), and a pressure vessel (PV).

V= tilt valve or solenoid valve.
A= lever, wire/pulley, or switch
S= I will comment later.
T= polyethylene or polypropylene tubing; any that is solvent resistant.
PV= a schrader valve connected to a cylinder, connected to a coupler.

Now the spinneret is the hardest part of this, but it is dependent entirely on the method that we are trying to perform.

Dry spinning- requires a heating source. You can use a heating coil, but I found a more efficient style. You can buy lightbulbs whose sole purpose is to heat up things. I found a small lightbulb that on 12 v can hit 300 degrees celcius. Use regular air in dry spinning.

Electrospinning- requires a transformer, a battery, two connecting nodes, and some needles.

Gel spinning- use the heating system from dry spinning, but use CO2 instead of air.

or multiple valves. I don't know about everyone else, but I'm not comfortable with having a homemade device constantly holding pressure. so I'm going to have a co2 bike tire inflator or some other valve to hold the co2 cartridge, then have a check (1 way) valve on the fluid/pressure container.

have we discussed check valves yet?

EDIT: just so there is no confusion, this question was directed to WW or another veteran (been here longer than I have). Sorry If this offends any newer members, but I've read most of the posts since I've been here. So to prevent wasting time, I'm asking if they've discussed check valves before I joined.

 

[White_widow]

We have, but they are usually big and clunky. the advantage is that some check valves can actually import fluid. I guess it really depends on how much pressure you are planning on generating. Duct tape PVC can hold like 300 psi. soda bottles without reinforcement can hold 125 psi. If you are planning to use more than that, I recommend steel or high pressure tested pvc.

 

[Bdude101]

nolder: Yeah okay I will try to edit thanks for the tip. After it comes out of the CO2 vessel. and White Widow thank you for all your tip, without you we probably would not be where we are now, thanks a lot. Wait, so electrospinnign is dry spinning plus electrospraying?

 

[nolder]

We have, but they are usually big and clunky. the advantage is that some check valves can actually import fluid. I guess it really depends on how much pressure you are planning on generating. Duct tape PVC can hold like 300 psi. soda bottles without reinforcement can hold 125 psi. If you are planning to use more than that, I recommend steel or high pressure tested pvc.

ah so wait. by "some check valves can actually import fluid" do you mean that it can create suction? for instance, If we created a flexible, airtight fluid container such as a toothpaste tube, but filled it with web fluid and attached a check valve at the end, the check valve could pull in the fluid? even against gravity (the valve facing up)?

and the highest pressure point in my webshooter will be my co2 cartridge, so maybe around 400 psi

EDIT: This will be an improvement for those using a separate non pressured web fluid reservoir such as myself. a simple syringe fuel meter.

http://www.spudfiles.com/spud_wiki/index.php?title=Fuel_meter

if your reservoir is airtight, webfluid will leave it to go to the pressure chamber and while it does that it will pull the syringe down. so when the reservoir is empty the syringe will read 0ml. it probably can't be used in a pressurized part because the pressure will push the syringe out, giving you not only a false reading, but reduced pressure. I'll put it on the website

 

[White_widow]

It won't create suction, it simply means that instead of just adding air to a cartridge, you can add air and fluid in the same port.

 

[MarvelFan1]

Ok, so to SUP Kudos.

this picture:

Is EXACTLY what a web shooter is supposed to be. A valve and an actuator connected to a fluid source by a line. This is what I did with my tilt valve. (I wish I would have shown you guys my shooters working before I broke my tank)

Anyway, that is what everybody needs to work on right now. Make the valve, the actuator, and the tube.

White widow, can you post a detailed diagram/drawing of your shooter?

 

[nolder]

It won't create suction, it simply means that instead of just adding air to a cartridge, you can add air and fluid in the same port.

I don't understand what you mean by the same port

 

[White_widow]

To Marvel: Sure, how about tomorrow.

To nolder: here's how you pressurize a pressure vessel. There is a fluid entry port. You pour the fluid into it and seal it up. Next there is an air intake valve, a form of check valve. Finally, there is a third port, a release valve. You need all three in a sealed container.