efferman Posted February 12, 2020 Author Posted February 12, 2020 (edited) More than this distance is not possible without extra counterweight. In this condition the rear outriggers are barely touching tne ground @Chipstertrain, its to far away for me. Edited February 12, 2020 by efferman Quote
efferman Posted March 4, 2020 Author Posted March 4, 2020 A new driven steeringAxle for an upcoming 6x4/4 chassis. The suspension travel is only roundabout a half stud, but the Frame could be very low. if it works good enough i will make later an .IO and put it in the axle collection thread. Quote
Mechbuilds Posted March 4, 2020 Posted March 4, 2020 Very interesting front axle! I see the suspension uses only up and down movement sliding down on that axle. Does it have any side movement when being compressed? Quote
efferman Posted March 4, 2020 Author Posted March 4, 2020 The side movement is more or less zero. Quote
1gor Posted March 5, 2020 Posted March 5, 2020 Very interesting concept It looks like you were impressed by Dubonnet suspension system... Quote
efferman Posted March 5, 2020 Author Posted March 5, 2020 Dubonnet? is this something like McPherson? some progress Quote
1gor Posted March 5, 2020 Posted March 5, 2020 Similar principle to this Used in this perfect car It has similar principle of work... Quote
1gor Posted March 5, 2020 Posted March 5, 2020 Just now, efferman said: Thanks, never saw this before Well I'm old-fashioned You're welcome Micha Quote
efferman Posted March 6, 2020 Author Posted March 6, 2020 Undriven Steering axle. Steering Rack is mounted to the frame. so the Servo doesnt affect the suspension. Quote
Mechbuilds Posted March 6, 2020 Posted March 6, 2020 Can't wait to see a video of the suspension at work. Might want to use this on my own truck build as well! Quote
efferman Posted March 7, 2020 Author Posted March 7, 2020 21 hours ago, Mechbuilds said: Can't wait to see a video of the suspension at work. Quote
efferman Posted March 21, 2020 Author Posted March 21, 2020 Power Functions, Powered up, or instructions for both? Quote
efferman Posted March 22, 2020 Author Posted March 22, 2020 (edited) Wheelbase ok? Wheelbase is 1 stud shortened Edited March 22, 2020 by efferman Quote
efferman Posted March 23, 2020 Author Posted March 23, 2020 (edited) The Mechanical Part seems to be done. Gear reduction is 16/20-12/20-20/28 = C+ XL Motor 2.917:1 wheel This results in nearly the same Rpm with only a little bit less Torque compared to a PF XL 18,9 N/cm zu 20,3 N/cm edit: or better naked? Edited March 23, 2020 by efferman Quote
Jundis Posted March 23, 2020 Posted March 23, 2020 Wheelbase seems right in the stripped version and to short on the version with the finishing. But again, just astonishing work. The front resembles the original Scania so well. :-) Quote
efferman Posted March 24, 2020 Author Posted March 24, 2020 (edited) Thanks. Small Xray with all functions. Red is the Fifthwheel unlock Edited March 24, 2020 by efferman Quote
1gor Posted March 24, 2020 Posted March 24, 2020 How many gears can you use between motor and gear rack not to have slack and to make pf servo return gear rack to zero position? Quote
efferman Posted March 24, 2020 Author Posted March 24, 2020 Two gear jumps and two universal joints, but the first gearrack is directly powered without slack. Quote
1gor Posted March 24, 2020 Posted March 24, 2020 Just now, efferman said: Two gear jumps and two universal joints, but the first gearrack is directly powered without slack. Did you ever try to power gear rack through 4 gears or is it nonsense even to try? Quote
efferman Posted March 24, 2020 Author Posted March 24, 2020 On the last vid i had three gears between servo and rack and there was a noticable play. Quote
1gor Posted March 24, 2020 Posted March 24, 2020 Just now, efferman said: On the last vid i had three gears between servo and rack and there was a noticable play. I have significant play with 4 gears...so I'll have to think about something else but have only 4 studs height including ball joints from Unimog Quote
efferman Posted March 25, 2020 Author Posted March 25, 2020 Maybe a linkage for steering? A little bit more aerodynamics Quote
1gor Posted March 25, 2020 Posted March 25, 2020 Drive axle goes below it, so I have lowered drive axle and steering axle is two studs above drive axle to enable usage of just 2 gears on steering. This solution has acceptable amount of play. As minimalist I would suggest simplest version without aero adds like your M.A.N. hooklift truck Quote
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