Ask at FMA. They did some stuff for military uses, which I'm sure include high-temp specs since they operate in desert places. http://www.fmadirect.com You probably want Fred. Andy At 04:17 PM 10/27/1999 -0400, you wrote: >Hi > >I have an application where I am using RC servos (Airtronics 94102) in hi >temp areas 150-175 deg F. >The servos are failing (duh!). I would like to replace the servo ic's with >higher temp versions. The first problem is Airtronics uses a custom >mitsubishi ic (#M51791AL) that I cannot get. It looks like there are a couple >of transistors (I think) labeled #8561. > >Does anyone know of replacement servo ic parts or a servo board schematic to >build my own servo board? > >Anyone know of hi-temp servos? > >The housing is machined aluminum especially for the airtronics servo, I would >like to find a way to modify the servos rather then replace. > >Thanks > >Jon ================================================================== Eternity is only a heartbeat away - are you ready? Ask me how! ------------------------------------------------------------------ andy@rc-hydros.com http://www.rc-hydros.com - Race Boats andy@montanadesign.com http://www.montanadesign.com - Electronics ==================================================================