Quick Aim Reticle for Bullet Drop Compensation
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Solution Overview
Problem
Current systems for hunting and shooting, such as rifle scopes, require time-consuming calculations to compensate for bullet drop due to gravity, which can result in missed targets, especially in timed competitions where quick decision-making is crucial.
Innovation Solution
A rifle scope assembly with a reticle lens that presents a set of horizontal markings allowing users to quickly align the rifle to compensate for bullet drop at various ranges without needing to remove their eye from the scope, using a combination of markings and a zoom selector ring to determine the correct elevation angle for accurate aiming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If traditional rifle scopes with uniform angular reticle markings are used, then the scope provides basic aiming capability, but the shooter must perform time-consuming calculations to translate target range to elevation angle
Solution Approach 1:
The reticle markings are pre-calibrated with specific spacing that corresponds to bullet drop compensation at different ranges. The markings are positioned so that when a marking is aligned with the target, the required elevation adjustment is already built into the reticle geometry, eliminating the need for the shooter to perform calculations during the shooting moment.
Solution Approach 2:
The reticle uses non-uniform angular spacing of horizontal markings where the angular distance between markings varies according to the ballistics of the specific cartridge. This parameter change in spacing transforms the reticle from a generic measuring tool into a cartridge-specific ballistic calculator that directly indicates elevation adjustments.
2Adaptability or versatility
If elevation knobs are used to adjust scope line-of-sight, then the scope can be pointed down relative to the rifle, but some calculation is still required to translate target range to elevation angle
Solution Approach 1:
The reticle markings are pre-positioned based on predetermined cartridge ballistics data. When the scope is zeroed at a specific range, the markings automatically account for bullet drop at various distances, so the shooter only needs to align the appropriate marking with the target without separate calculation or knob adjustment.
Solution Approach 2:
The reticle markings serve as an intermediary between the shooter and the elevation adjustment mechanism. Instead of directly manipulating the elevation knob based on calculated values, the shooter uses the pre-calibrated markings as a visual guide that mediates the complex ballistics calculations and translates them into simple alignment actions.
3Measurement precision
If laser range finders are used in timed shooting competitions, then target range can be measured, but the time to read the range finder and adjust the elevation knob is time lost
Solution Approach 1:
The reticle combines multiple functions into a single visual element: it serves as both the aiming reference and the elevation adjustment indicator. The horizontal markings simultaneously provide target acquisition reference and bullet drop compensation guidance, merging what were previously separate functions (aiming reticle and elevation calculator) into one integrated system.
Solution Approach 2:
The pre-calibrated reticle markings act as an intermediary that directly translates range information into elevation alignment without requiring intermediate calculation steps or knob adjustments. The shooter simply aligns the appropriate marking with the target, and the marking's position automatically accounts for the range-to-elevation translation that would otherwise require separate processing.
Data Source
AI summary
A method of creating a rifle and scope assembly, that begins with selecting and providing a rifle having a caliber and barrel length and providing a selection of rifle scopes, wherein each one is matched to a caliber and barrel length. Then, a rifle scope that matches the caliber and barrel length of the rifle is selected from the selection of rifle scopes. The rifle scope is attached to the rifle. Then, a cartridge type is selected to be used in the rifle. A range to zero the rifle scope is selected, based on caliber, barrel length and cartridge type. The final step is zeroing the rifle scope to the selected range.