Search found 199 matches

by Drenchenator
Sun Jun 20, 2021 9:31 am
Forum: Humor & Fun
Topic: Fluid Mechanics Homework
Replies: 4
Views: 39

Re: Fluid Mechanics Homework

Interesting! The graphic is fairly accurate, though I would not think it would be difficult nowadays to find schematics for designs like this. The problem doesn't give enough information. You have to assume at least something, and that means that the answers could vary by a lot. It gives a 30 foot h...
by Drenchenator
Sat May 15, 2021 8:08 am
Forum: Homemades
Topic: Great Ball Valve
Replies: 1
Views: 80

Re: Great Ball Valve

I've just tended to use 3/8 inch brass ball valves from local hardware stores. I think the answer depends on the situation. For high performance guns I would prefer 1 inch ball valves, though they are much harder to open. But for the kind of guns I've tried to design over the years (more ergonomic o...
by Drenchenator
Sun May 02, 2021 7:30 am
Forum: Water Blasters
Topic: Spyra Two now available for pre-order
Replies: 5
Views: 222

Re: Spyra Two now available for pre-order

I am impressed by the quality of the designs that Spyra puts out but I really do not understand the design choices made nonetheless. Spyra seems to treat a water gun like a Nerf gun with a set number of shots. I've always wondered if this design choice was to try to appeal to the Nerf market and thi...
by Drenchenator
Wed Feb 03, 2021 9:09 pm
Forum: Water Blasters
Topic: 2021 Adventure Force Soakers - Including a Pressurized One!
Replies: 4
Views: 574

Re: 2021 Adventure Force Soakers - Including a Pressurized One!

That's an interesting pump design. I remember looking at the idea of pumping water in both directions a long time around but I concluded that it was not worth the additional complexity. Nonetheless I must admit that this gun has a creative solution to that problem. I wonder how easily this would bre...
by Drenchenator
Wed Nov 18, 2020 8:11 am
Forum: Homemades
Topic: Super Soaker CPS 1500 connector compatible with Jabsco accumulator tanks
Replies: 1
Views: 259

Re: Super Soaker CPS 1500 connector compatible with Jabsco accumulator tanks

Interesting find! I actually got a broken CPS 1500 a few years ago chiefly for the rubber bladder, so this information could be useful to me later. It seems more likely to me that Laramie copied the connectors rather than the other way around. They didn't need to re-invent the wheel here and if ther...
by Drenchenator
Tue Sep 22, 2020 9:31 am
Forum: Water Blasters
Topic: 13M CPS Chinese knock off blaster What?!!(Super Shooter CPS 5000)
Replies: 37
Views: 2774

Re: 13M CPS Chinese knock off blaster What?!!(Super Shooter CPS 5000)

I watched the video of the Thailand water festival with Ben last night. I honestly got excited that at least somebody, somewhere, is still making decent CPS guns. Based on the video, it seems like whoever made them certainly made a lot of them too. I don't really know how somebody could obtain these...
by Drenchenator
Sun Sep 06, 2020 7:37 pm
Forum: Water Blasters
Topic: Spyra One
Replies: 70
Views: 13753

Re: Spyra One

Ben has taken his out of the box and has charged it, but I don't think he has tested it yet. I picked it up and the handling seemed adequate, though I did not fire it.
by Drenchenator
Thu Aug 20, 2020 8:53 pm
Forum: Water Blasters
Topic: PRODUCT RECALL on Nerf Super Soaker XP20 and XP30.
Replies: 4
Views: 708

Re: Hasbro Product Recalls

It's kinda weird that of all the guns in their back catalog they choose to re-release these. It's also kinda weird that the sticker somehow has too much lead in it. That seems to be like something you just would not put in it, like, at all. But at least they are recalling it.
by Drenchenator
Thu Oct 25, 2018 10:54 pm
Forum: Homemades
Topic: APH Design Questions
Replies: 14
Views: 3176

Re: APH Design Questions

I think the internal diameter matters more for performance that the chamber diameter. Certainly 4" diameter PCs hold a lot more water, but I don't think they would perform much better on their own. If your gun is designed purely for range and output, you should use the biggest PCs you can buy. But m...
by Drenchenator
Wed Sep 19, 2018 11:28 pm
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

That is exactly the kind of nozzle most homemades need. Thanks for posting the link and photo, Tim! I knew I saw some other nozzles out there but I couldn't find the thread at the time. This thread should be a good reference for people who would want to build one of these pump-action designs.
by Drenchenator
Sat Sep 15, 2018 12:12 am
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

Hmm, I seem to remember the roughness now. The interior surface has large jagged elements sticking out. I thought that I would cut myself if I touched it. I don't recommend that part in retrospect. It seems that McMaster has categories for both "fire hose nozzles" and "garden hose nozzles." The part...
by Drenchenator
Fri Sep 14, 2018 12:49 pm
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

I was thinking about the 1-inch diameter nozzles like parts 6484T15 or 6484T22. These won't work in your design because you used 1/2-inch pipe for the nozzle section, but if you used 1-inch pipe this would work. These nozzles have an opening of 5/16-inch, which seems to be roughly optimal just based...
by Drenchenator
Sun Sep 09, 2018 11:22 pm
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

I may try to build a "pump-action" design next summer. At the moment, I don't have the time, but your results have definitely gotten my interest. I think as a community we have tended to concentrate on the higher end of performance (not that that's bad!). We've neglected these simpler designs, and t...
by Drenchenator
Sat Sep 08, 2018 10:31 pm
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

Good job! I'm glad that you're the first to build a design like this. I've been thinking the last few weeks that people (well, I at least) have been building designs that are just too complicated. I admire this design's simplicity. It's basically the APH design with a larger pump and no pressure cha...
by Drenchenator
Mon Sep 03, 2018 11:59 pm
Forum: Maintenance & Repairs
Topic: CPS 2000 vs 2500 questions
Replies: 13
Views: 3380

Re: CPS 2000 vs 2500 questions

I have in fact, replaced a spring inside of a check valve on this CPS 1500 . Wow, great job! I love the photos. I always wondered what the stock check valves looked like inside. I agree replacing the spring should be a last resort provided nothing else worked, but I'm glad that you've documented th...
by Drenchenator
Mon Sep 03, 2018 11:17 am
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

Sometimes different check valves are at different stores. Every kind of check valve under the sun is available online at McMaster-Carr if that's an option for you. If 1/2" is too difficult to find, I'd suggest looking for larger sizes if possible. It would also be good to check the aisles for metal ...
by Drenchenator
Mon Aug 27, 2018 7:39 pm
Forum: Water Blasters
Topic: Favorite Firing Valve Design?
Replies: 11
Views: 2999

Re: Favorite Firing Valve Design?

Well, I can speculate as to how the check valve opens and closes. We can see in second photo under "Build and Ergonomics" that the valve does have a coil spring. My best guess is that this spring keeps the valve open. The question then becomes how does the valve close. Another guess is that when the...
by Drenchenator
Mon Aug 27, 2018 12:05 pm
Forum: Water Wars
Topic: Autumn Invitational War
Replies: 36
Views: 7673

Re: Autumn Invitational War

I'm open to it, but the only times that I'm back on the east coast are the weekends of December 22nd and December 29th (weather permitting).
by Drenchenator
Mon Aug 27, 2018 11:26 am
Forum: Water Blasters
Topic: Favorite Firing Valve Design?
Replies: 11
Views: 2999

Re: Favorite Firing Valve Design?

I'm only going based on the pictures provided by iSoaker's review . It appears that the valve is just a rudimentary check valve that opens when the pump is fully extended. Without a picture of the internals I can't comment on the physical mechanism of levers/gears/etc. that achieves that goal, but t...
by Drenchenator
Sun Aug 26, 2018 6:10 pm
Forum: Homemades
Topic: Homemade pump action designs?
Replies: 21
Views: 4988

Re: Homemade pump action designs?

Good job! This is the first time I've seen somebody attempt a gun like this. The second check valve will make the pump fill much more easily but it also may decrease the performance a bit. It obstructs the flow slightly, so if you do put it in you should be aware of that. I'd say that the range for ...