efferman

Effe's MOC Corner

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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 by efferman

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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.

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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?

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Very interesting concept :thumbup:

It looks like you were impressed by Dubonnet suspension system...

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Similar principle to this

220px-Dubonnet-Federung.JPG

Used in this perfect car

hispano-suiza.jpg

It has similar principle of work...

640px-MorganSuspension.jpg

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Just now, efferman said:

Thanks, never saw this before

Well I'm old-fashioned :laugh:

You're welcome Micha

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Undriven Steering axle. Steering Rack is mounted to the frame. so the Servo doesnt affect the suspension.

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49626217251_1d4a669212_c.jpg

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Can't wait to see a video of the suspension at work. Might want to use this on my own truck build as well!

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21 hours ago, Mechbuilds said:

Can't wait to see a video of the suspension at work.

 

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Posted (edited)

Wheelbase ok?

49686002976_80010bc6d9_c.jpg

Wheelbase is 1 stud shortened

49686719871_6b6df9fff6_c.jpg

Edited by efferman

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Posted (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

49690327756_37a4965751_c.jpg

 

edit:

or better naked?

49691102357_8065366648_c.jpg

Edited by efferman

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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. :-)

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Posted (edited)

Thanks.

Small Xray with all functions. Red is the Fifthwheel unlock

49694112571_192ea8cbc2_c.jpg

Edited by efferman

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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?

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Two gear jumps and two universal joints, but the first gearrack is directly powered without slack.

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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?

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On the last vid i had three gears between servo and rack and there was a noticable play.

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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

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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

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