diff --git a/lib_planes/custom_physics.lua b/lib_planes/custom_physics.lua
index fba2bb3..a394f54 100755
--- a/lib_planes/custom_physics.lua
+++ b/lib_planes/custom_physics.lua
@@ -51,6 +51,7 @@ function airutils.physics(self)
         new_velocity = {x=new_velocity.x*friction,
 							    y=new_velocity.y,
 							    z=new_velocity.z*friction}
+
         -- bounciness
         if self.springiness and self.springiness > 0 and self.buoyancy >= 1 then
             local vnew = vector.new(new_velocity)
@@ -82,7 +83,10 @@ function airutils.physics(self)
             end --damage the plane if it have hard friction
         end
 
-        self.object:set_velocity(new_velocity)
+        --self.object:set_velocity(new_velocity)
+        local vel_sum = vector.subtract(new_velocity,vel)
+		self.object:add_velocity(vel_sum)
+
     end
 
 end
diff --git a/lib_planes/entities.lua b/lib_planes/entities.lua
index cf2cacd..9c8e521 100644
--- a/lib_planes/entities.lua
+++ b/lib_planes/entities.lua
@@ -481,11 +481,12 @@ function airutils.logic(self)
     if stop ~= true then --maybe == nil
         self._last_accell = new_accel
 	    self.object:move_to(curr_pos)
-        --self.object:set_velocity(velocity)
-        --[[if player then 
-            airutils.attach(self, player, self._instruction_mode)
-        end]]--
-        airutils.set_acceleration(self.object, new_accel)
+        --airutils.set_acceleration(self.object, new_accel)
+        local limit = 100
+        local vel_to_add = vector.multiply(new_accel,self.dtime)
+        vel_to_add.y = 0
+        self.object:add_velocity(vel_to_add)
+        self.object:set_acceleration({x=0,y=new_accel.y, z=0})
     else
         if stop == true then
             self._last_accell = self.object:get_acceleration()