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A trial version of an Excel based, Engineers Hydraulics calculator is available here:  Wildland Hydraulics Installer. This is a zip file and after unzipping the zip file is a self installing executable.  This Trial is the same V24C 2023 updated version in the store section. 

The installer will install two files

The file may flag on your download because the spreadsheet is compiled as a executable. Or when you start to run it, simply continue the download and follow instructions. The installer will install the 2 files , into your MyDocument’s directory as well as install an uninstall link in the start menu. There is even an  internet link in the start menu as well to reach this website. 

If you are charged, in the wildland fire environment with maintaining a Water Supply Infrastructure, this will significantly speed up your calculation process!

If you see the two windows pop up boxes (pictured below) displayed, and keeping the download from continuing, simply follow these instructions and continue opening.  A screen shot below, as it looked on my Win10 laptop, simply click on the More Info link, then click on the bottom right that says Run Anyway:




[3-31-23]: Malwarebytes whitelists FireBridgeCalc4C.exe, you can view the thread that I am the Staff had on the review of the file because my own Malwarbytes antivirus scanner flagged it. I sent them a copy of the file, and it was to be whitelisted. You can view the entire thread of that conversation here: 

The FireBridge Spreadsheet, however, is temporarily removed from the store page. We are updating an element within it involving coverage levels.  One such element that caught our attention and currently being looked at is current coverage levels used vs what the fire actually demands and there appears to be a mismatch in current methods versus what we are calculating.

One of those is adding a data section that allows a person to enter in a coverage level, this then is compared to the coverage level the fire is demanding. This will then tell you the required drop rate (not width), to match the fires Btu output. This is then used to determine number of aircraft based upon user selection of drop speed and load size.  

Another element being worked in is an aspect that will allow for the calculation of aircraft based solely on water or retardant and then determine a total number of resources that would be required. 


Engine Pumping CalculatorV24C - Multi leg updated 2023 Annual Subscription up to 3PC's

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Product Details

The Wildland Apparatus Engineers Engine Pump Calculator (updated to V24C), Is an Excel-based spreadsheet compiled as an executable. This runs on any Windows-based PC or Laptop, Nextbook tablet, etc. with MS Excel installed.

There is a 22-page user manual that comes with the download and the purchaser will be able to always send me text, email, or cell phone calls for support - FREE. Email and text support will be available 24hrs and phone support when I am available and not out in the field on fires or training.

Calculate standard PDP for simple and progressive hose-lays.

Determine the number of engines required for a hose lay.

Determine flow from a nozzle in GPM.

Determine Nozzle Reaction pressure.

Determine Head Pressure.

Determine Slope Profile ratio.

Determine true horizontal distance.

Determine up to 9 separate yet connected hose lay legs for calculation and obtain the sum of those results.

Obtain Engine Spacing distances

Obtain the travel time requirement for water to reach its destination

Obtain the Kinetic Energy of water through a hose

Obtain Heat absorption capacity of water flowing or from aircraft

Obtain the time to run empty on a tank based upon the number of lines flowing and gpm.

determine the number of water tenders required for a remote SEAT or Helicopter Dip Site.

Perform Time, Speed, and Distance Calculations

Determine the distance covered by a Fire in miles based on the ROS for 1-24 Hrs out.

And More.

Any user support issues should be brought directly to Joseph Moylan, Creator of the spreadsheet at or by cell at 775-374-1022.

This has been under constant use/development. While every possible element that we could think of has been looked at to determine that the product is as accurate as possible, there may exist that 1% chance we missed something. If you should discover an error or omission in the spreadsheet an update will be made and delivered to you at no cost!

There are three versions of this product, an annual license, for 1-3 PCs. Annual version for 6-12 PC's and a Lifetime Version for 6 PC's. Every paid version means you always have the updates for free when they are needed and any questions or customizations will be provided free as well where possible.

The annual 1-3 PC version is on a year license basis for $48.00 and will be allowed on 3 window-based PCs.

The Annual 6-12 PC version is on a year license basis for $159 and will be allowed on 6-12 PCs.

The Lifetime version is allowed on only 4 PCs, for $289, however, you never need to pay for them again and the compiled spreadsheets will never expire.

On any one version you pay for, if you need to switch PCs for whatever reason, that is NO Problem. As long as the number of PCs does not exceed what you've paid for we can work with you to add or remove various PCs to suit your needs. We just need to know the computer ID of the computer you have the spreadsheet currently on, and then the PC you'll want it moved to. A new Reg Key will be made and emailed to your new PC free of charge and it does not matter the reason why you want to switch PCs.

Where can I find my computer ID number?

You can find the computer ID in the About dialog of the XCell Compiler. The About dialog can be reached from the Excel Menu (DoneEx >> XCell Compiler >> About).

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