A Gallifreyan Cat Posted December 17, 2015 Posted December 17, 2015 Here is the progress so far on my TC9 entry, at least the A model: The A model is log skidder with articulated steering, a movable arm, and a closing/opening claw. I do not know what I will do for the B model, but probably something else with articulated steering, because I don't have many steering elements incorporated into the A model. The arm is controlled with the middle knob, the steering with the knob on the corner, and the claw with the gear attached to it. Here are a few more pictures: Quote
Kristof Posted December 17, 2015 Posted December 17, 2015 I like it very much. Interesting vehicle and the way you constructed it, I think it could easily be a Technic set :) Looking forward to B model. Quote
2LegoOrNot2Lego... Posted December 17, 2015 Posted December 17, 2015 Very nice and indeed a could-be-Technic-set... Also curious for the B-model Quote
kolbjha Posted December 17, 2015 Posted December 17, 2015 (edited) Nice model! I wonder what the differential is for, it seems like it is not connected. And it seems to be on the front wheels. Are you planning to make a 4WD with fake engine? That would be awesome in a model that size Edited December 17, 2015 by kolbjha Quote
jorgeopesi Posted December 17, 2015 Posted December 17, 2015 Very nice even more looking the small number of pieces used. Quote
zweihander Posted December 17, 2015 Posted December 17, 2015 (edited) I really like this, good job executing a good idea very neatly. Have you considered using a second u-joint instead of the gears before the actuator? Edited December 17, 2015 by erelender Quote
kolbjha Posted December 17, 2015 Posted December 17, 2015 (edited) Have you considered using a second u-joint instead of the gears before the actuator? From the first picture, I estimate the angle of the mLA is apx. 55 degrees (from the horizontal) in the boom's upper position, and I guess U-joints is not so efficient at that angle. But then again, perhaps the added friction due to high angle is minimal (at least compared to what is induced by the gears), and fluctuation is not a problem, as it is input to a mLA... Edited December 17, 2015 by kolbjha Quote
A Gallifreyan Cat Posted December 23, 2015 Author Posted December 23, 2015 I sort of considered it, but it didn't work as well as the gears. The gears actually do not provide much friction. Quote
gmshades Posted December 24, 2015 Posted December 24, 2015 How about using the 7l gear racks for a grill? Then you would have it for steering in the b model. Quote
TheNextLegoDesinger Posted December 24, 2015 Posted December 24, 2015 and you could maybe move the la knob to the back it would look a little bit better i think Quote
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