TasV Posted August 17, 2013 Posted August 17, 2013 (edited) I found someone selling these on Ebay: ... and thought they looked interesting. Are they real Lego parts or third-party parts? If real, what's the part number? Edited August 17, 2013 by TasV Quote
Technyk32231 Posted August 17, 2013 Posted August 17, 2013 Those are real parts, I don't know the part numbers though. The dark gray part is half of the torque tube found in 8110 and 9398, and the metal ball was released in the mindstorms ev3. This assembly is used in the mindstorms ev3 as a ball caster Quote
TasV Posted August 17, 2013 Author Posted August 17, 2013 I have two on their way to try out... I'm picturing them attached vertically to some suspension so they can swing easily but also pop up over small, low, obstacles (like 5mm high speed humps in robot trial tracks). Quote
JopieK Posted August 17, 2013 Posted August 17, 2013 It works very nice, part of the educational EV3 set! Quote
Rishab N Posted August 17, 2013 Posted August 17, 2013 Thats a lego part. Its found in the new EV3 set Quote
Blakbird Posted August 17, 2013 Posted August 17, 2013 That part was introduced with the Unimog. It is part 92911. http://www.bricklink.com/catalogItem.asp?P=92911 Quote
Junpei Posted August 17, 2013 Posted August 17, 2013 Dang, I can't wait for these pieces. I probably don't have the parts for it, but I would love to see some huge cranes with these pieces, they seem like they would be perfect. Too bad that store doesn't sell the rubber inserts.. Quote
Hrafn Posted August 17, 2013 Posted August 17, 2013 I found someone selling these on Ebay: ... and thought they looked interesting. Are they real Lego parts or third-party parts? If real, what's the part number? What's the person on Ebay charging? I realize you're in Australia, but people in the US can buy 2 for $15 from Lego Education: http://www.legoeducation.us/eng/product/technic_ball_pivot_parts_pack/2665 Quote
Junpei Posted August 17, 2013 Posted August 17, 2013 I found their store, ile9os, and they are 10 USD. Actually, that store has much better deals than any lego site (except Ev3 bricks/sensors), especially with pneumatics and chain links. Quote
jadedomg Posted August 18, 2013 Posted August 18, 2013 It just looks like a ball bearing in a unimog joint. I think it would be cheaper to bricklink the part then find the right size bearing and put them together if you need multiple of the part then pay $15 for 2. Quote
TasV Posted August 18, 2013 Author Posted August 18, 2013 In the EV3 parts inventory it lists the ball bearing as bb607. It's an expensive little ball too! See: here. Does the ball spin freely in the 92911 receptacle? Quote
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