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The Dart Zone: [Theory] Flywheel series as a means of breaking the "glass ceiling"
Striving for the ability to "reach out and touch" zombies at very long range has been an interest of mine ever since I started playing HvZ - not only for the tactical utility, but also for the sheer fun of nailing zombies who think that they are out of range. Here, I'd like to talk about an idea that I've been sitting on for a while now: multiple flywheel sets in series. This is a theoretical exploration of the performance potential of such systems. I'd like to build such a system at some point, when I have the materials and opportunity to use it - so probably not any time soon.

In conventional flywheel systems, there is an upper bound on the velocity which a pair of flywheels can produce - the "glass ceiling" - which is reached when the flywheels and dart slip against each other through the entirety of the dart's passage through the flywheels. The coefficient of kinetic friction varies little if at all with flywheel speed and draft effects are not significant for smooth flywheels, so faster flywheels do not result in faster darts. Attempts to increase the acceleration of the dart while between the flywheels by increasing the grip of the flywheels have been of limited success at best. So far, I think that I'm the first to suggest increasing the length of the dart's passage through the flywheels instead, which is what a flywheel series effectively does.
herbert  west  herbertwest  multi  stage  dual  dualstage  flywheel  system  blaster  cage  2stage  twostage  afterburner 
7 days ago by 44sunsets
Ansuzalgiz/B90: FN P90 inspired BOOMco. flywheel blaster
The goal of the B90 project is to make a FN P90 inspired electric flywheel BOOMco. blaster. The P90 magazine mechanism is used to fit a large ammo capacity in a compact form factor.
b90  fn  p90  fnp90  nerf  foam  blaster  flywheel  ansuzalgiz  boomco  darts  straws 
10 weeks ago by 44sunsets
Ansuzalgiz/ABR: Automatic Bullpup Rifle for Nerf
The ABR is an Automatic Bullpup Rifle for Nerf. With simplicity as the main design goal, it uses only 11 printed parts.
abr  ansuzalgiz  automatic  bullpup  rifle  nerf  boam  blaster  3d  printed 
10 weeks ago by 44sunsets
Rec: [Transformers] Champion, read by HaHeePrime
Summary: Rumble sets Megatron's old poetry to a thumpin' beat. He claims what happens afterwards is not his fault...

Rec Snippet: HaHeePrime did a did a stellar job with an already stellar fanfic, so the result is absolutly great, and very engaging. I love HaHeePrime's voice, and her Rumble's narration voice is in turn funny, and blasé, and so distinctive! And the way it is contrasted with the voice acting for Megatron and Starscream is great, as well as the way the music was used... great work. <3
fandom:transformers  gen  rumble  megatron  thundercracker  optimus_prime  blaster  starscream  jazz  soundwave  prowl  02:00:00-02:30:00  podfic  author:haheeprime  author:astolat  !_brilliant 
10 weeks ago by Harpijka
Rec: [Transformers] Champion, read by HaHeePrime
Summary: Rumble sets Megatron's old poetry to a thumpin' beat. He claims what happens afterwards is not his fault...

Rec Snippet: HaHeePrime did a did a stellar job with an already stellar fanfic, so the result is absolutly great, and very engaging. I love HaHeePrime's voice, and her Rumble's narration voice is in turn funny, and blasé, and so distinctive! And the way it is contrasted with the voice acting for Megatron and Starscream is great, as well as the way the music was used... great work. <3
transformers  gen_fanwork  rumble  megatron  thundercracker  optimus_prime  blaster  starscream  jazz  soundwave  prowl  teen_and_up  02:00:00-02:30:00  podfic  jainas_reccer  haheeprime_performer 
10 weeks ago by podfic_love
Zuru Turbo Advance - Internals & Spring Swap - Modifications - NerfHaven
So! I've been excitedly waiting for the Zuru X-Shot Turbo Advance to arrive somewhere I could actually buy it. Currently, it's available in the US at Sam's Club and Bass Pro. Neither of those are great places to have to go for NERF-related stuff (One being a membership club store, the other having few locations), and living in the Pacific Northwest, neither readily accessible (We have loads of Costco's, Sam's hasn't gotten a foothold). Fortunately, I live in the one part of the PNW where Bass Pro is convenient so I went there and picked one up.
x-shot  zuru  turbo  advance  upgrade  internal  internals  spring  guide  mods  modification  nerf  blaster 
june 2018 by 44sunsets
How's it Work? | SceneSquid
Event marketing just got way simpler. SceneSquid fills out forms on event websites. We save you time and send you proof that we actually filled out all those tedious forms.
event  promotion  san  francsico  calendar  blaster 
may 2018 by starpause
Dead Space - Modifications - NerfHaven
To reiterate what others said more explicitly, a large amount of dead space reduces the peak pressure acting on the dart, which can reduce performance.

With that being said, "dead space" isn't necessarily bad. In fact, I noticed as I wrote a simulation of a pneumatic gun that a certain amount of dead space is beneficial. Having a little cushion of air acts like a miniature air reservoir in the barrel (the valve separates the barrel and the gas chamber). The peak pressure matters less because the pressure drops in the barrel less slowly so an elevated pressure acts on the dart for a longer portion of the barrel, increasing the total energy transfered to the dart. Sorry if that explanation is inadequate--it's not the easiest thing to explain in simple terms.

There are no significant flow restrictions that cause a separation of pressures in spring guns so as little dead space as possible without affecting flow is ideal.

Taking what I said about pneumatics into account too, note that the difference between no dead space and optimal dead space often is negligible. Have as little dead space as possible without affecting flow unless you want slightly more optimal performance and are willing to do testing and simulation.
Edited by Doom, 17 March 2009 - 10:55 PM.
deadspace  dead  space  removal  minimise  remove  nerf  blaster  springer  air  pressure  dart  performance  fps  plunger  barrel 
may 2018 by 44sunsets
» boltsniper’s optimal barrel length formula btrettel's Nerf blog
Whenever there is a thread about one of the holy grails of Nerf ballistics, an equation for the barrel length that maximizes performance, someone is bound to mention the results of some tests boltsniper did in 2005 when he was designing the FAR. boltsniper, for the uninitiated, is one of the few engineers in the Nerf hobby, so his words have some authority behind them. People generally misrepresent what he said and overstate this formula’s abilities. What boltsniper actually said is written below. The emphasis is mine.
nerf  plunger  optimum  barrel  length  formula  radius  friction  homemade  blaster  springer  boltsniper 
april 2018 by 44sunsets
Worker PROPHECY-R Blaster Package (High Power MCX)
Complete Prophecy R shipped to Sydney = USD $200.72 (including $34 shipping) = AUD $252
worker  prophecy  prophecyr  blaster  package  complete  stefan  set  mcx  monkee  monkeemods 
january 2018 by 44sunsets
Where can I buy a retaliator pump grip that fits on top of primer : Nerf
Basically without needing to open the blaster. Similar to what is seen in this video.
The Zedtown event doesn't allow pump grips that require opening the blaster but says they allow pump grips otherwise.
retaliator  nerf  zedtown  pump  grip  kit  without  opening  blaster  disassembly  disassembling  retalicon  recon  mkii  reconmkii 
december 2017 by 44sunsets
Curious. Are Retalicons allowed in Zedtown games, provided they perform stock like everything else? : Nerf
Went to zedtown this weekend. Pump action kits were let in, so long as the blaster internal's were standard. The organisers wanted to keep testing as painless as possible, due to the number of people attending the event. The other reason is safety/insurance coverage. It all comes down to convenience and legal reasons.
zedtown  blaster  rules  retaliator  reconmkii  recon  mkii  pump  grips  grip  mods  action 
november 2017 by 44sunsets

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