fischertechnik community forum

Hi Florian,

It's great that you're trying to work on your concept. I'll be delighted to see your own helicopter model. I see the radius change as a big challenge, but you might as well start with a basic model like mine and proceed from there. Please keep us updated!

Thanks,

Rubem

Wow, that was FAST!

Brilliant! I'm sure other users will appreciate it as well.

Thanks a lot,

Rubem

Hi Defiant, Okay, I get it. I believe that using ?keyword=N will be helpful those who enable the part number column anyway. But I love the idea you outlined in the last paragraph! This would be much better. The year would be necessary only for disambiguation. Would you consider implementing it somet...

Hello, I have a question. I want to insert a link to a specific part number into a post. However, the part URL does not contain the part number. For example, the red 60°angle block is part # 38309, but its URL at the database is https://ft-datenbank.de/ft-article/4718, which does not contain the par...

Video

Here's the link to the video again:
Hier ist noch einmal der Link zum Video:

YouTube video

Hi, Thanks for your compliments! @Florian, I'd not dare to say that controlling the radius is an impossible task, but it's probably beyond my mechanical abilities. Maybe a bigger model with two propellers would make it possible, I can't be sure. I imagine that the challenges would be almost unsurmou...

Hallo zusammen, Ich habe bereits über drei verschiedene ft-Projekte, an denen ich gerade arbeite, also habe ich ein weiteres gestartet :D Dies ist ein Modell-Helikopter, der tatsächlich im Kreis fliegen kann. Er kann schweben, auf und ab gehen und je nach Neigungswinkel und Rotordrehzahl vorwärts od...

(Deutsche Übersetzung im nächsten Beitrag) Hi everyone, I already have about three different ft projects I'm currently working on, so I started another one :D This is a model chopper that can actually fly around in a circle. It can hover, go up and down, and steer backward or forward depending on th...

Hello, I didn't find 18 x 3,5mm from my supplier. I bought three similar sizes: 18 x 3, 18.6 x 3.5, and 16.5 x 3.5. The one that fit perfectly was 16.5 x 3.5 mm! Cheers, Rubem --------------------------- Google Translate Hallo, Ich habe bei meinem Lieferanten keine 18 x 3,5 mm gefunden. Ich habe dre...

fishfriend hat geschrieben: ↑

28 Jul 2025, 18:44

18x3,5mm is for the 35797.

Thank you, Holger!

Rubem

Hi everyone, I wonder what would be a suitable O-ring for a rope pulley 35797 (21 mm) so it can be used as a wheel. My measurements show an inner diameter of approx. 15.9 mm. The O-ring for its "little brother" 38258 (12 mm, inner dia. about 7.3 mm) is part #35677, 8 x 3 mm. So I assume the correct ...

Hello, I''ve been having some problems with the ft web site and communications. I've sent some e-mails to info@fischertechnik.de about this but unfortunately did not get an answer to date, nor the problem is solved yet. So I've decided to use this forum because it's the only other way I know of reac...

Hi, I have published a short article about how the evolution of models may help with the process of designing simpler things. This color sorter is used as an example. Here's the link: https://medium.com/design-bootcamp/design-less-design-better-ef70d8173ea5 Regards, Rubem ---------------------------...

Meanwhile, I have described the circuit and model in German in the ft:pedia 2025/2 and in English on my site: https://www.whizzbizz.com/en/river-crossing-puzzle I'm always amazed at your attention to detail. I also enjoyed your video very much. Next step... 3-D print a boat, a farmer, a goat, a wol...

Hallo Thomas,

Thanks for the link! Very nice indeed.

Rubem

------------------ Google Translate

Hallo Thomas,

Danke für den Link! Wirklich sehr schön.

Rubem

Hi Peter and Simon, Thanks for the tips, maybe I'll do that. Another possibility would be adding one or two extra limit switches. I have other ideas too. Still thinking about it, let's see... Thanks again, Rubem ----------------------------------------------- Google Translate Hallo Peter und Simon, ...

Hello Thomas, This is a very nice lightweight robot, and very cleverly constructed. Is there a video of it? Thanks for sharing! Rubem ------------------------------------------------- Google Translate Hallo Thomas, Das ist ein sehr schöner, leichter Roboter und sehr clever konstruiert. Gibt es ein V...

Hi, I managed to solve some things that were still bothering me: - The motor responsible for the rotating turntable now also has a 2:1 ratio so it moves faster. As a side benefit, it is now fully contained in the main baseplate because I turned it 90°. The side effect -- it is noisier because of the...

Hi, Here is a new design for the gripper. It's large, but I liked it better because the two halves move horizontally and are driven by worms and nuts, pretty much like the original gearwork: New gripper.jpg It also has a 2:1 gear ratio so it should move relatively fast. I just finished the wiring bu...

Hi, Thanks a lot for your compliments! Now some answers: A plan, especially for your gripper, would be interesting. I am especially interested in the construction of your grapple, looks very cleanly built from your model. The current one is at the left, I'm building a slightly more compact version a...