diff --git a/source/core/gameinput.cpp b/source/core/gameinput.cpp
index 38e58ef3d..e8a7043b5 100644
--- a/source/core/gameinput.cpp
+++ b/source/core/gameinput.cpp
@@ -77,6 +77,33 @@ fixed_t getincangleq16(fixed_t a, fixed_t na)
 //
 //---------------------------------------------------------------------------
 
+/*
+// Running speed.
+Blood: 92 / 4 * 2 * 30 = 1380;
+Duke:  15 * 2 * 2 * 30 = 1800;
+SW:  28 * 1.40625 * 40 = 1575;   // Precisely, ((((28 * 12) + ((28 * 12) / 4)) * 3) / 32) * 40
+Average: 1585.;
+
+// Normal speed.
+Blood:     92 / 4 * 30 = 690;
+Duke:      15 * 2 * 30 = 900;
+SW:  18 * 1.40625 * 40 = 1012.5; // Precisely, (((((12 + 6) * 12) + (((12 + 6) * 12) / 4)) * 3) / 32) * 40
+Average: 867.5;
+
+// Preamble.
+Blood: N/A;
+Duke:       5 * 2 * 30 = 300;
+SW:   3 * 1.40625 * 40 = 168.75; // Precisely, ((((3 * 12) + ((3 * 12) / 4)) * 3) / 32) * 40
+Average: 234.375;
+Ratio: 867.5 / 234.375 = (2776. / 750.);
+
+// Turbo turn time.
+Blood:         24 * 30 = 720;
+Duke:     128 / 8 * 30 = 450;
+SW:       128 / 8 * 40 = 600;
+Average: 590.;
+*/
+
 void processMovement(InputPacket* currInput, InputPacket* inputBuffer, ControlInfo* const hidInput, double const scaleAdjust, int const drink_amt, bool const allowstrafe, double const turnscale)
 {
 	// set up variables
@@ -84,8 +111,8 @@ void processMovement(InputPacket* currInput, InputPacket* inputBuffer, ControlIn
 	int const keymove = gi->playerKeyMove() << running;
 	int const cntrlvelscale = g_gameType & GAMEFLAG_PSEXHUMED ? 8 : 1;
 	float const mousevelscale = keymove / 160.f;
-	double const angtodegscale = 45. / 256.;
-	double const hidspeed = ((running ? 43375. / 27. : 867.5) / GameTicRate) * angtodegscale;
+	double const angtodegscale = 360. / 2048.;
+	double const hidspeed = ((running ? 1585. : 867.5) / GameTicRate) * angtodegscale;
 
 	// process mouse and initial controller input.
 	if (buttonMap.ButtonDown(gamefunc_Strafe) && allowstrafe)
@@ -127,7 +154,7 @@ void processMovement(InputPacket* currInput, InputPacket* inputBuffer, ControlIn
 		int const turnheldamt = 120 / GameTicRate;
 		double const turboturntime = 590. / GameTicRate;
 		double turnamount = hidspeed * turnscale;
-		double preambleturn = turnamount * (92. / 347.);
+		double preambleturn = turnamount * (750. / 2776.);
 
 		// allow Exhumed to use its legacy values given the drastic difference from the other games.
 		if ((g_gameType & GAMEFLAG_PSEXHUMED) && cl_exhumedoldturn)
diff --git a/source/exhumed/src/input.cpp b/source/exhumed/src/input.cpp
index 1f48cb7a9..e803281a3 100644
--- a/source/exhumed/src/input.cpp
+++ b/source/exhumed/src/input.cpp
@@ -25,9 +25,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 BEGIN_PS_NS
 
-static int turn;
-static int counter;
-
 short nInputStack = 0;
 
 short bStackNode[kMaxPlayers];
@@ -152,8 +149,6 @@ void GameInterface::GetInput(InputPacket* packet, ControlInfo* const hidInput)
 void GameInterface::clearlocalinputstate()
 {
     localInput = {};
-    turn = 0;
-    counter = 0;
 }
 
 END_PS_NS
diff --git a/source/games/duke/src/input.cpp b/source/games/duke/src/input.cpp
index 9f8a07bca..6c470c8c0 100644
--- a/source/games/duke/src/input.cpp
+++ b/source/games/duke/src/input.cpp
@@ -499,18 +499,16 @@ void hud_input(int snum)
 
 enum
 {
-	TURBOTURNTIME =  (TICRATE/8), // 7
+	TURBOTURNTIME = (TICRATE/8), // 7
 	NORMALTURN    = 15,
 	PREAMBLETURN  = 5,
 	NORMALKEYMOVE = 40,
 	MAXVEL        = ((NORMALKEYMOVE*2)+10),
 	MAXSVEL       = ((NORMALKEYMOVE*2)+10),
-	MAXANGVEL     = 1024,
-	MAXHORIZVEL   = 256,
-	ONEEIGHTYSCALE = 4,
+	MAXANGVEL     = 1024, // 127
+	MAXHORIZVEL   = 256,  // 127
 
-	MOTOTURN      = 20,
-	MAXVELMOTO    = 120,
+	MAXVELMOTO    = 120
 };
 
 //---------------------------------------------------------------------------
diff --git a/source/sw/src/input.cpp b/source/sw/src/input.cpp
index f711d8283..2a2454347 100644
--- a/source/sw/src/input.cpp
+++ b/source/sw/src/input.cpp
@@ -58,7 +58,7 @@ InitTimingVars(void)
     MoveSkip4 = 1;                      // start slightly offset so these
 }
 
-
+#if 0
 enum
 {
     TURBOTURNTIME = (120 / 8),
@@ -71,6 +71,7 @@ enum
     MAXANGVEL = 100,
     MAXHORIZVEL = 128
 };
+#endif
 
 //---------------------------------------------------------------------------
 //
diff --git a/source/sw/src/player.cpp b/source/sw/src/player.cpp
index 8cd57ecae..b71d8255e 100644
--- a/source/sw/src/player.cpp
+++ b/source/sw/src/player.cpp
@@ -1538,7 +1538,7 @@ DoPlayerTurnBoat(PLAYERp pp, float avel)
     }
     else
     {
-        avel *= 1.4;
+        avel *= synctics * 0.65625;
     }
 
     if (avel != 0)