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Brass Dart Guide for Flywheels

 
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Brass Dart Guide for Flywheels
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Davera
Senior Member


Joined: 03 Aug 2015
Posts: 455
Fav. Blaster: Hammershot
Location: Gillingham, Dorset



Post Brass Dart Guide for Flywheels  Reply with quote
So after hearing some good things about adding accuracy to a flywheel I went out and bought some 9/16 brass, a good file and attacked it with my dremel. I filed off the edges and thought I had done a good job. It was a tight fit for darts, but not a twist fit.
However the brass totally kills the fps and the darts barely go 5 meters.
Anyone have any tips or experience with this sort of mod?

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aka
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Wed Feb 15, 2017 9:56 am View user's profile Send private message
OldNoob
Foam Data Collector


Joined: 07 May 2013
Posts: 4508
Fav. Blaster: Xtreme 180 Rapidstrike
Location: In the Boonies



Post Reply with quote
Yeah, don't brass flywheels, it's cock.
If you want improved precision you need two things, better build tolerances and better darts. By better build tolerances I mean matched flywheels, set correctly in the dead centre of the cage , exactly the same (+/- 0.1mm) as the other wheel in the pair. You then need fluted faux barrel instead of rifled and some care in fitting and aligning the cage. If you are using concave wheels brass us adding EXACTLY NOTHING to the performance.
The second factor is darts, heavier tips fly straighter at higher FPS, see my Waffle tip post for the basic physics.
Both Franksie and Blindgeek have top end flywheel blasters built this way and can attest to the precision results.

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Big_Poppa_Nerf. wrote:

Boff whats the damage? I have spent over 3 times my Nerf budget this month already. Part of me is trying to be a responsible parent/husband/house owner. The other half is just says 'Ahhhh, Screw it!'.
Wed Feb 15, 2017 10:52 am View user's profile Send private message Send e-mail
Boff
The Dealer


Joined: 08 Dec 2012
Posts: 3248
Fav. Blaster: (Modified) Stampede ECS
Location: Bristol, UK



Post Reply with quote
^ This. Brassing flywheels simply removes velocity which produces a feeling of greater accuracy mostly from confirmation bias. If you don't have a set of drug dealer scales to weight match your flywheels let me know and I'll see about bringing them along at the weekend for you. I would also suggest a set of digital callipers if you don't already have them.

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Boff: Managing Director, Blastersmiths UK & BUZAN Founder (formerly)
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Wed Feb 15, 2017 11:01 am View user's profile Send private message Visit poster's website
OldNoob
Foam Data Collector


Joined: 07 May 2013
Posts: 4508
Fav. Blaster: Xtreme 180 Rapidstrike
Location: In the Boonies



Post Reply with quote
If you are buying digital calipers, DON'T buy ones with plastic jaws, it's worth spending a little extra for ground steel. Faithful do a fairly good set for under 10.

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Big_Poppa_Nerf. wrote:

Boff whats the damage? I have spent over 3 times my Nerf budget this month already. Part of me is trying to be a responsible parent/husband/house owner. The other half is just says 'Ahhhh, Screw it!'.
Wed Feb 15, 2017 11:18 am View user's profile Send private message Send e-mail
Treezy
Regular Member


Joined: 03 Nov 2016
Posts: 132
Fav. Blaster: OG Green Rayven on 3x IMRs
Location: Forest of Dean, Gloucestershire



Post Reply with quote
Davera: I have a set of Porta stainless digital calipers going spare, if you've not already got some.

They're brand new and still in the original case without the battery installed, but unfortunately they have developed some tiny spots of surface rust from where they've been sat at the back of a draw for months; though the slide mechanism still works without issue.

I'll bring them to BB6 if you're interested in having them?



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So yeah, I like the Mega Centurion. A lot. Like, an unhealthy amount.
Wed Feb 15, 2017 11:53 am View user's profile Send private message
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