Jul 1, 2024 #1 Finnn Mechanical Jul 1, 2024 2 0 0 AU How would I determine the overturning moment of a vehicle on tracks braking whilst on an 11deg decline.
How would I determine the overturning moment of a vehicle on tracks braking whilst on an 11deg decline.
Jul 1, 2024 #2 rb1957 Aerospace Apr 15, 2005 15,594 0 36 CA would it make sense to take moments about the ground point under the CG ? so the moment due to weight might be 67*1100*tan(11deg) and the moment due to braking -67*0.5*1100 (in kg*m or nearly dN*m) You can assign labels ("stabilising" or "destabilising") to +ve and -ve moments as you like. "Hoffen wir mal, dass alles gut geht !" General Paulus, Nov 1942, outside Stalingrad after the launch of Operation Uranus. Upvote 0 Downvote
would it make sense to take moments about the ground point under the CG ? so the moment due to weight might be 67*1100*tan(11deg) and the moment due to braking -67*0.5*1100 (in kg*m or nearly dN*m) You can assign labels ("stabilising" or "destabilising") to +ve and -ve moments as you like. "Hoffen wir mal, dass alles gut geht !" General Paulus, Nov 1942, outside Stalingrad after the launch of Operation Uranus.
Jul 1, 2024 #3 3DDave Aerospace May 23, 2013 10,569 1 38 US The most downward location of a the track wheel contact point will be the pivot location, so that would be the best place to calculate the moment. However, in a more general sense, if the vector sum of the forces through the CG passes over that contact point the unit will tip over. The limit case is determined by the amount of friction to allow the suggested deceleration rate. Upvote 0 Downvote
The most downward location of a the track wheel contact point will be the pivot location, so that would be the best place to calculate the moment. However, in a more general sense, if the vector sum of the forces through the CG passes over that contact point the unit will tip over. The limit case is determined by the amount of friction to allow the suggested deceleration rate.
Jul 1, 2024 #5 Tmoose Mechanical Apr 12, 2003 5,626 0 0 US "No Homework questions!" Or double posting Upvote 0 Downvote