Mechanical engineer
Pipe weights, heat loads, lifts, energy and fuel. 10 tools: 4 are free, the rest are premium.
Free for mechanical engineer
Metal pipe weight calculator
Weight per length and total weight of round pipe or tube from its size, wall and material. No account needed.
Also free
Free picks from other roles that are useful for the mechanical engineer role too.
HVAC load rule of thumb
Ballpark cooling tons, heating BTU and airflow for a house or small space by area and climate.
Construction · HVACMachine fuel burn and cost
Diesel gallons per hour, per day and per job for common machines, with cost and CO2.
Construction · EquipmentPallet stacking and rack load check
Checks a floor stack and a rack bay against the bottom pallet's top-load rating, beam and frame capacities and clear height.
Supply Chain · WarehousingPremium tools
All of them come with the mechanical engineer plan.
Cold room heat load (simplified)
Daily heat load of a cooler from walls, product, air infiltration, people and lights, and the refrigeration tons needed.
Supply Chain · Cold ChainReefer pre-cool and pull-down estimate
Time to pre-cool an empty trailer, and how long the reefer would need to pull warm product down to setpoint.
Supply Chain · Cold ChainForklift battery and LP-gas shift planner
Run time per battery charge or LP cylinder, swaps per day and energy cost per truck for your operating hours.
Supply Chain · WarehousingCrane lift capacity check
Gross load against the load chart capacity at radius, and whether the lift needs a critical lift plan.
Construction · Equipment rentalMachine transport weight and tie-downs
Gross vehicle weight, oversize flags and the number of chains needed to haul a machine.
Construction · Equipment rentalEV range vs route check
Usable electric van range after temperature, payload, battery health and reserve, against the route.
Supply Chain · Last MileThe mechanical engineer plan
All 10 mechanical engineer tools, one plan
$10.20 a month at the launch price (list $12). Save more paying by the quarter or year; add another role for less. 2 of them are still waiting on a trade expert's check; their cards say so.