On Fri, Jun 15, 2018 at 7:58 PM Gene Heskett wrote:
> On Friday 15 June 2018 20:20:20 jeremy youngs wrote:
>
> Aerotech mentions
> using 741's (op-amps) but the gain of a 741 above 10 hz falls like a
> rock, and that leaves the nyquist phase v stability angles in doubt.
If the paper suggests us
On Friday 15 June 2018 20:20:20 jeremy youngs wrote:
> Always another hurdle . Lol. I abandoned the h bridge plan for now as
> I am lacking sufficient power supply. I have 2 aerotech 4020 linear
> drives . The issue is they need tachometer feedback and it appears
> though the drive isn't configure
Gmail is queing my messages for some reason. I apologize if this double
posts.
Always another hurdle . Lol. I abandoned the h bridge plan for now as I am
> lacking sufficient power supply. I have 2 aerotech 4020 linear drives . The
> issue is they need tachometer feedback and it appears though the
Always another hurdle . Lol. I abandoned the h bridge plan for now as I am
lacking sufficient power supply. I have 2 aerotech 4020 linear drives . The
issue is they need tachometer feedback and it appears though the drive
isn't configured for armature feedback. So the question is, is there a
readil
On 15 June 2018 at 06:57, Roland Jollivet wrote:
> What's interesting is that they make the gear in two parts. (2012). Maybe
> today they use a CNC and use one piece.
> That helicopter looks like a solid chunk of metal.
They have to do that to be able to fit in the tooling to make the
gear, but
