SYPR_H, a hardware-heavy SillyShell HYPR
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A remix of SYPR with a focus on durability, more of an intermediate between Sillyshell-fed HYPR and YEHW.
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- 0 / 5
- Polubienia
- 39
- Pobrania
- 69
- Wydruki
- 0
- Wyświetlenia
- 925
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Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Outdoor Sports
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
Hardware-heavy SYPR (SYPR_H)
This design is a further development of HYPR to fire SillyShells, utilizing a simple break-action. The main changes are swapping all dowel pins for M3 screws (trigger, cammer-conrod connection), and some M3 screws (barrel swivel axle, conrod-plunger connection, main cammer axle) for binding screws. This was originally intended to fight accidental discharges while using thick elastics, but was extended to use as little shock-cord as possible.
Hardware (BOM)
82mm of 35/38mm (ID/OD) polycarbonate tube
1x AS568 ~016 size O-ring (15,6mm ID 1,78mm CS)
3x AS568 ~123 size O-rings (29,8mm ID 2,62mm CS)
33x M3x8 (M3x10 will do) countersunk screws
2x M4x16 (D5) binding post screws
1x M4x27 (D5) binding post screw
1x 5,5x17mm compression spring
1x 5,5x38mm compression spring
A length of 3mm shock cord (trigger return)
A length of 4-8 mm shock cord (main action)