With enough time and money...anything is possible...:) Derek
On Sun, Feb 24, 2013 at 11:28 AM, isaac goldman <[email protected]>wrote: > Re: pitelli's and moment of inertia > > I think if instead of a servo you used a worm drive you could overcome the > inertia. The gear cannot spin the worm, so as long as the motor is > sufficiently high torque it should have no trouble with the gun bobbing > around. Of course, with such a configuration you hit the problem that > instead of knocking the gun around the forces try to strip the gears and > rip the mounting hardware apart. Overcoming that in turn typically involves > a finer pitch of worm, at which point you zenith traverse rate becomes very > slow... > > In short i think it is doable to add vertical stability but as always > there is a trade off... > On 2013-02-24 11:36 AM, "Frank Pittelli" <[email protected]> wrote: > >> Hooking up a commercial board to provide servo stabilization is not the >> hard part (purchase board, plug servo into board, plug board into >> receiver). The hard part is getting a barrel/marker assembly that weighs >> more than a couple pounds to respond quickly and smoothly. In the video >> shown, the barrel assembly is lightweight plastic and it's momentum can >> easily be overcome by a standard servo. Even still, you can see a definite >> lag time between the vehicle movement and the corresponding gun movement. >> >> Increase the weight being thrown around to a couple of pounds, with a >> moment arm of up to 2 feet and the control mechanism must work much harder, >> resulting in a harder feedback problem. Throw in actual dynamic forces >> from driving around on an un-even surface with a heavy vehicle and things >> get even harder. >> >> On 2/23/2013 10:12 PM, Derek Engelhaupt wrote: >> >>> You guys were just talking about this. Found some guy that did it: >>> http://www.youtube.com/watch?**v=y-fPA88sCpw&feature=em-subs_**digest<http://www.youtube.com/watch?v=y-fPA88sCpw&feature=em-subs_digest> >>> <http://www.youtube.com/watch?**v=y-fPA88sCpw&feature=em-subs_**digest<http://www.youtube.com/watch?v=y-fPA88sCpw&feature=em-subs_digest> >>> > >>> >> >> -- >> -- >> You are currently subscribed to the "R/C Tank Combat" group. >> To post a message, send email to [email protected] >> To unsubscribe, send email to >> rctankcombat+unsubscribe@**googlegroups.com<rctankcombat%[email protected]> >> Visit the group at >> http://groups.google.com/**group/rctankcombat<http://groups.google.com/group/rctankcombat> >> >> --- You received this message because you are subscribed to the Google >> Groups "R/C Tank Combat" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to >> rctankcombat+unsubscribe@**googlegroups.com<rctankcombat%[email protected]> >> . >> For more options, visit >> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >> . >> >> >> -- > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to [email protected] > To unsubscribe, send email to [email protected] > Visit the group at http://groups.google.com/group/rctankcombat > > --- > You received this message because you are subscribed to the Google Groups > "R/C Tank Combat" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat --- You received this message because you are subscribed to the Google Groups "R/C Tank Combat" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
