Heavy Tracked Chassis Lab: Torsion-Bar Suspension, Track Tension and Steering

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Speed 0 km/h Gear - | 0 rpm Pitch 0° Track T 0 kN

Run

Target speed

Slope Ripple height (peak) Ripple wavelength Time scale

Tractive force-

Resistance-

Power-to-weight-

Max grade (this gear)-

Torsion-bar suspension

Bar diameter Damping ratio at rest

Wheel rate k-

Natural freq. f-

Bar shear stress (now / max)-

Travel used-

Heave / pitch mode-

Pitch rate (peak)-

Crew accel. rms-

Track, sprocket, tension

Track tension (adjuster) Sprocket teeth z (analysis) Sprocket-track friction μ

Top-span sag (parabola / catenary)-

Centrifugal tension ρv²-

Chordal Δv/v-

Tooth-pass frequency-

Capstan e^(μθ)-

Hinge friction power (est.)-

Idler recoil-

Friction-drive margin-

Skid steering

Turn radius

Track speeds v_o / v_i-

Radius: kinematic / slip-

Resistive moment M_r-

Outer / inner track force-

Engine power needed-

Regenerated / brake heat-

Ground contact

Track width b

Nominal ground pressure-

Mean max. pressure (est.)-

View and cutaway

Experiments (model vs independent number)

The science