For the manually operated (well known) circular Trane Ductulator – you will need to search eBay. It will probably be eBay USA (where I bought mine) but even with shipping the total cost was around £16.
This app is only available on the App Store for iOS devices.
iPhone ScreenshotsDescription
Online Ductulator Duct Size Calculator Ductulator is an engineering tool to calculate air duct dimensions based on given inputs including air-flow, duct material roughness and either air pressure static loss (friction method) or air velocity (velocity method). Online Ductulator. Duct type: Metal Ductboard Flex Size by: Friction rate Velocity Friction Rate: per 100 ft. In/wg Duct TEL: ft.
A compact Metric and Imperial Duct Sizer aka 'Ductulator'. Combines the ease of a visual wheel for rough sizing and a numeral calculator for more precise calculations.
Affords the user the functionality of locking values and synchronizing between the metric and imperial values. Developed by Engineers for Everyone. What’s New
Cookie Consent We use cookies to improve your website experience. To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. The simplest and quickest ductulator app there is!Now avaliable in SI and Imperial units!Ever wished you had your classic slide ductulator with you on-site, in. DUCT Ductulator for Android. Jun 02, 2009 The HVAC Duct Sizer app is the #1 selling duct sizing application for the Apple iPhone and iPad. Tens of thousands of happy users have downloaded this useful application for performing quick and simple duct sizing analysis.
Major update to iOS 8.
-Improved Interface design to accommodate iPhone 6 & 6 plus -Improved calculation engine for more speed -Update backgrounds
11 Ratings
Developer
So, there is a couple flaws with this app. It is pretty well put together. But there are no instructions and you cannot contact the developer to ask for a correction. It shows the velocity drops as the duct size gets smaller. I can’t tell if I am just using the wrong calculator or something I set is changing the cfm as I change the duct size. I have gone back to my paper one. I was hoping. It surprises me. This is pure math. It ought to be easy. Also, it would be nice if there were a formula built in for the equivalent length ie anything over 100’.
Very well done app
Kept so simple and familiar, thank you and well done. I bet you can even get the old timers to buy this one. Perhaps a friction loss only lock, or markable/highlight-able values in a future update. Thank you for nicely done app
Awesome
Great app
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