Thank You for the very interesting insights.. which I could read only today= .. I will buy that big 12V servo on eBay, thanks again. Cheers, Mario At 16.01 2012.07.22, you wrote: >On 22 July 2012 05:11, Electron wrote: > >> >> I couldn't use my PC for a week.. thank you for all your replies meanwhi= le. >> >> I noticed that almost all servos are 6V.. why? 12V would be better for >> me.. but there seem to be almost none that can withstand 12V. >> > >The hobby servos are pretty much standardised so you can use virtually any >of them in a wide range of applications. The standard "analogue" servos ar= e >designed for 5V operation (or 4 cell battery pack), but most of them also >operates till 6V range (5 cell battery pack). The new "digital" ones are >pretty much the same, however, these are not good at low voltage. These >needs at least 4.8V to operate correctly, which means you need at least 5 >cell battery pack. Of course operating these at higher voltage gives you >faster movement and higher torque, so a 5 cell battery pack is considered >better with a little extra weight. > >You also can have the so called BEC (Battery Elimination Circuit), which i= s >basically a voltage regulator (usually to 5V). So if you have a "3S" Li-Po >battery (~12V) then you need this regulator. Usually there is a built in >one in the motor controller (in hobby word also called speed controller), > and in most modern digital radio receivers too especially on the 2.4GHz >systems. Some people does not like the idea of operating the servos from >the same battery source which also powers the motor -- simply because if >anything happens with the battery, like deep discharged, you may have lose >the chance for a dead-stick landing too (gliding down the plane instead of >crashing it to the ground) > >Anyway, you may can search for high voltage servos, I have found these >(have not use any of them) > >Futaba "HV" servos up to 7.4V: >http://www.servocity.com/html/s3051hv_hi_voltage_servo.html > >Hitec "MH" servos up to 7.4V (also look at the sheet where the 7.4V field >discuss the power and speed) >http://www.servocity.com/html/hitec_servos.html > >Mega Servo up to 7.4V: >http://www.servocity.com/html/ms530-1_mega_servo.html > >Also if you search for "12v servo" on eBay: >http://www.ebay.com/sch/i.html?_nkw=3D12v+servo > >This one looks like what you are looking for -- $60 and very high torque >that operates up to 12V: >http://www.ebay.com/itm/30kg-Heavy-HV-12V-3S-Digital-Metal-Servo-Titan >ium-Gear-/130514404666?pt=3DRadio_Control_Parts_Accessories&hash=3Ditem1e6 >343c53a#ht_2419wt_986 > >Tamas > > > >> >> Cheers, >> Mario >> >> >> >> At 02.17 2012.07.16, you wrote: >> >On 15 July 2012 15:51, Lee Mulvogue wrote: >> > >> >> That's my suggestion as well. For general RC use, can't go p= ast >> >> the >> >> HXT900, $3 and proven by thousands of users. And you can get a >> >> replacement gear set for $1 or so. >> >> >> > >> >My favourite is the New Power digital series: Cheap, fast and strong, a= nd >> >does not have too much of overshot either. >> > >> >The New Power XLD-09HMB is an 11g micro servo, it has pretty much the s= ame >> >power as the Futaba 3001, but it weights 1/4 of it. I could save about >> 200g >> >on my plane by replacing 5 servos to this! >> > >> >Tamas >> > >> > >> > >> > >> > >> >> >> >> Lee >> >> >> >> ------------------------- >> >> Msg sent via Webmail - http://hosting.myob.com/ >> >> -- >> >> http://www.piclist.com PIC/SX FAQ & list archive >> >> View/change your membership options at >> >> http://mailman.mit.edu/mailman/listinfo/piclist >> >> >> > >> > >> > >> >-- >> >int main() { char *a,*s,*q; printf(s=3D"int main() { char *a,*s,*q; >> >printf(s=3D%s%s%s, q=3D%s%s%s%s,s,q,q,a=3D%s%s%s%s,q,q,q,a,a,q); }", >> >q=3D"\"",s,q,q,a=3D"\\",q,q,q,a,a,q); } >> >-- >> >http://www.piclist.com PIC/SX FAQ & list archive >> >View/change your membership options at >> >http://mailman.mit.edu/mailman/listinfo/piclist >> >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > > > >--=20 >int main() { char *a,*s,*q; printf(s=3D"int main() { char *a,*s,*q; >printf(s=3D%s%s%s, q=3D%s%s%s%s,s,q,q,a=3D%s%s%s%s,q,q,q,a,a,q); }", >q=3D"\"",s,q,q,a=3D"\\",q,q,q,a,a,q); } >--=20 >http://www.piclist.com PIC/SX FAQ & list archive >View/change your membership options at >http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .