When the pistol is not cocked it should be easy to pop the tubing off the front pulleys so that the tubing is not left under tension when not required. The files were designed to be printed on a 300x300mm 3D printer, but I also created a split version that can be printed on smaller printers. Viper PSTViper HSTViper HSDiamondbackStrike EagleShop Vortex. Bow Shooting Accessories View All Releases. Various tubing is available to allow for different draw weights from very light to very heavy. B&T Semi-Automatic Handguns Beretta Pistols. This allows the tubing to be longer for the same draw length. The surgical tubing wraps around a custom pulley to double back on itself. The non-latching version provides an additional safety feature so that it can not be left unattended in the cocked position.ĭelrin double v-groove wheels are used for the bow string pulleys as they provide a low cost readily available low friction solution to handling the bow string. The non latching version is held in the cocked position by maintaining a grip on the handle of the pistol. I designed two versions of the cocking arm, one that latches and one that does not. The Prophecy is a break action, semi-automatic loading pistol crossbow having an 80 lb draw weight with a high quality wood-feel aluminum stock, adjustable rear sight, and bead foresight. ![]() ![]() The various bearings should allow for smooth operation even with high loads. The size of the rolling block makes for a very strong string catch, while the trigger design allows for the easy inclusion of a safety switch as well as allowing the slide to move independently from the trigger. The rolling block trigger is one of the key features of this design. All the STL, STEP, and FreeCAD files can be found on GrabCAD.
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