diff --git a/source/src/clients2c.cpp b/source/src/clients2c.cpp
index 345fec4b..aa5cf264 100644
--- a/source/src/clients2c.cpp
+++ b/source/src/clients2c.cpp
@@ -656,7 +656,6 @@ void parsemessages(int cn, playerent *d, ucharbuf &p)
             { 
                 player1->state = CS_SPECTATE;
                 player1->spectatemode = SM_NONE;
-                //togglespect();
             }
             else
             {
diff --git a/source/src/physics.cpp b/source/src/physics.cpp
index 5d7658d1..08cd1aad 100644
--- a/source/src/physics.cpp
+++ b/source/src/physics.cpp
@@ -272,14 +272,14 @@ void moveplayer(physent *pl, int moveres, bool local, int curtime)
         }
         else // apply gravity
         {
-            const float gravity = 9.81f*bounce->maxspeed/1000.0f;
-            const float heightvel = (gravity)*pow(speed, 2.0f);
-            bounce->vel.z -= heightvel;
+            const float CUBES_PER_METER = 4; // assumes 4 cubes make up 1 meter
+            const float GRAVITY = 9.81f/CUBES_PER_METER/1000.0f;
+            bounce->vel.z -= GRAVITY*curtime;
         }
 
 	    d = bounce->vel;
 	    d.mul(speed);
-        if(water) d.div(6.0f);
+        if(water) d.div(6.0f); // incorrect
 
         // rotate
         float rotspeed = bounce->rotspeed*d.magnitude();
@@ -480,18 +480,14 @@ const int PHYSFPS = 200;
 const int PHYSFRAMETIME = 1000 / PHYSFPS;
 int physicsfraction = 0, physicsrepeat = 0;
 
-void playerphysicsframe() // optimally schedule physics frames inside the graphics frames
+// optimally schedule physics frames inside the graphics frames
+void physicsframe()
 {
     int faketime = curtime+physicsfraction;
     physicsrepeat = faketime/PHYSFRAMETIME;
     physicsfraction = faketime%PHYSFRAMETIME;
 }
 
-void physicsframe()
-{
-    playerphysicsframe();
-}
-
 void moveplayer(physent *p, int moveres, bool local)
 {
     loopi(physicsrepeat) moveplayer(p, moveres, local, PHYSFRAMETIME);
diff --git a/source/src/weapon.cpp b/source/src/weapon.cpp
index 6ab78a1b..8ea06415 100644
--- a/source/src/weapon.cpp
+++ b/source/src/weapon.cpp
@@ -296,7 +296,7 @@ void renderbounceents()
 
 VARP(gib, 0, 1, 1);
 VARP(gibnum, 0, 6, 1000); 
-VARP(gibttl, 0, 5000, 15000);
+VARP(gibttl, 0, 7000, 60000);
 VARP(gibspeed, 1, 30, 100);
 
 void addgib(playerent *d)
@@ -314,6 +314,7 @@ void addgib(playerent *d)
 
         p->o = d->o;
         p->o.z -= d->aboveeye;
+        p->inwater = hdr.waterlevel>p->o.z;
     
         p->yaw = (float)rnd(360);
         p->pitch = (float)rnd(360);
@@ -546,6 +547,7 @@ grenadeent::grenadeent (playerent *owner, int millis)
     bouncetype = BT_NADE;
     maxspeed = 27.0f;
     rotspeed = 6.0f;
+
 }
 
 void grenadeent::explode()
@@ -599,6 +601,7 @@ void grenadeent::_throw(const vec &from, const vec &vel)
     nadestate = NS_THROWED;
     this->vel = vel;
     this->o = from;
+    inwater = hdr.waterlevel>o.z;
 
     if(local)
     {
@@ -612,6 +615,7 @@ void grenadeent::moveoutsidebbox(const vec &direction, playerent *boundingbox)
 {
     vel = direction;
     o = boundingbox->o;
+    inwater = hdr.waterlevel>o.z;
     
     boundingbox->cancollide = false;
     loopi(10) moveplayer(this, 10, true, 10);