From 6bca0ed8183b85e5825eb0f4093dcd749592faf3 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 22 Apr 2016 19:00:46 -0400 Subject: altoslib: Use feet per second for imperial speed This is more useful during descent than miles per hour... Signed-off-by: Keith Packard --- altoslib/AltosConvert.java | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'altoslib/AltosConvert.java') diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java index 25bbf7a0..265b5f0f 100644 --- a/altoslib/AltosConvert.java +++ b/altoslib/AltosConvert.java @@ -325,6 +325,14 @@ public class AltosConvert { return miles_to_meters(mps) / 3600; } + public static double mps_to_fps(double mps) { + return meters_to_miles(mps) * 5280; + } + + public static double fps_to_mps(double mps) { + return miles_to_meters(mps) / 5280; + } + public static double meters_to_mach(double meters) { return meters / 343; /* something close to mach at usual rocket sites */ } -- cgit v1.2.3