Re: FischerTechnik
danny staple <[email protected]>
| Newsgroups | gmane.comp.hardware.lego.robotics |
|---|---|
| Organization | None |
| Message-ID | <[email protected]> |
On 28/08/05, PeterBalch <[email protected]> wrote: > > > > late last night I stumbled onto their website: > > http://www.fischertechnik.com/ > > Does anyone have a set, and/or have any experience building with it? How > > does it compare to Mindstorms? > > I used to have fischertechnik but sold it and bought lego. My objections to > fischertechnik were: > > It's bigger and heavier for the same mechanical functionality. So you need > bigger motors, batteries, etc. > > The bricks don't click into "integer" positions but can slide around and so > require more bracing. > > The axles are round so it's harder to fix the phase relationships of gears. > I was interested in building walking machines where fixed phase > relationships are essential. > > I haven't looked at fischertechnik in 15 years so maybe these problems have > been solved. > > Peter > There are a couple of areas where FT does outshine Leg a little. Namely - Pneumatics - FischerTechnik has a larger range of cylinders, more advanced valves, serious compressors, and most importantly solenoids. Also their robotics controller has a great deal more in terms of IO flexibility than the RCX. Although it appears to be somewhat larger. I agree that their designs do mean that things slide around a bit - and have to be braced harder. I havent used it for a while though - but I seem to remember that the gear fixings were based upon grub screws. It is possible to build cross-system models with them both, and the push fits of Lego pneumatics are compatible with the FT pneumatics. On the European/UK website some of the kits have handy PDF part catalogues - something that it would be handy for Lego to do, although we do have Peeron. OrionRobots -- http://orionrobots.co.uk - Build Robots