Rigging Calculator: Crane Lift
iOS app by Shanghai Sheyuan Network Technology Co., Ltd.. Utilities · Shanghai Sheyuan Network Technology Co., Ltd.
- Store rating
- 1 / 5
- Store rating count
- 1
- Download price
- 4.99 USD
- In-app purchases
- Unknown
- Version
- 1.0.4
- Listing last refreshed
- 2026-09-12
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Store description excerpt
Built for crane operators, riggers, and lift directors who need quick capacity verification on the iron - not a dashboard you log into. WHAT IT DOES Looks up rated capacity at any operating radius for 5 common crane configurations using built-in load chart data with linear interpolation. Compares total rigged load against rated capacity and flags critical-lift thresholds before the hook leaves the ground. CRANES INCLUDED - 30-ton Rough Terrain - 50-ton Rough Terrain - 80-ton Rough Terrain - 130-ton Rough Terrain - 200-ton Crawler INPUTS - Crane model (picker) - Load weight (lb) - Rigging weight (lb, default 500) - Operating radius (ft) RETURNS - Rated capacity at the entered radius (tons) - Total rigged load (lb and tons) - Load as a percentage of rated capacity - Critical-lift status: under 75% (green), 75-90% (yellow), 90-100% (orange), over capacity (red) - Full load chart for the selected crane WHY THIS APP, NOT THE FREE ONES - Math is shown - every result lists the chart entry and the load ratio. No black box. - Color-coded thresholds - see at a glance whether you are approaching critical-lift territory. - Works offline - yard moves, refinery turnarounds, and remote sites. Always available. - No login. No telemetry. No subscription. PRICING $4.99. Pay once, own it. Will not disappear when the company kills the SaaS budget. Lifetime access on iPhone and iPad via Family Sharing. NOT A SUBSTITUTE FOR The crane manufacturer's published load charts for your specific machine. The lift director's sign-off. A site-specific ground bearing capacity assessment. This app is a quick-reference tool, not a replacement for the official load chart taped to the cab.
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