Are you talking about a phone app? It is simple division, miles traveled and gallons used gives MPG or hours run and gallons used gives GPH. You can substitute hours for miles no problem. Not sure why you need an app for that though?? An actual device to measure fuel used is an amazing thing and vastly superior to a gas gauge. I use them flying frequently and the best ones tie to the GPS to give you a NMPG reading and set off an alarm if you won’t make the next waypoint with enough fuel. They all will show gallons used, gallons remaining, and instantaneous GPH. The problems for our boats are twofold:
1. A diesel has a return line, so you need two sensors to keep track of actual fuel used. 2. Our engines burn so little fuel that many totalizers will fail to read correctly. If it is designed for say 0-100 GPH, it might be quite inaccurate in the pint to quart to half gallon an hour range. Joe Coquina * one more thing, they rely on accurate user input of gallons added. Air Canada famously ran a jet out of fuel because the fuel gauges were broken and they relied on the totalizer. They ordered say 3,000 gallons and got 3,000 liters or similar, programmed in the larger incorrect number, and ran out with no warning. From: CnC-List <cnc-list-boun...@cnc-list.com> On Behalf Of Dennis C. via CnC-List Sent: Tuesday, March 24, 2020 10:58 AM To: CnClist <CnC-List@cnc-list.com> Cc: Dennis C. <capt...@gmail.com> Subject: [EXTERNAL] Stus-List Fuel tracker app Anybody found a good app to track fuel usage by engine hours? Most of the ones I've looked at track by mileage not engine hours. Dennis C. Touche' 35-1 #83 Mandeville, LA
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