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Spring Load : Direction of Spring Load - A Load Coils the Spring
Force at Arm Point 1 = 112.4101 lb
Force at Arm Point 2 = 224.8201 lb
Minimum Bending Moment M1 = 47.944 lb ft
Maximum Bending Moment M8 = 95.888 lb ft

Torsion Spring Calculation : 1

Spring Type : Close-wound Spring

Spring Coils:Number of Active Coils n = 10
Theoretic Thread Pitch t = 0.468 in
Coiling Direction - right

Spring Arms Straight Torsion Arms
Arm of Working Force Point 1 = 5.1181 in
Arm of Support Point 2 = 5.1181 in

Assembly Dimensions:Angle Free = 180 °
Angle Point 1 = 271.8127 °
Angle Point 2 = 363.6 °
Deflection Point 1 = 91.8127 °
Deflection Point 2 = 183.6253 °
Angle of Working Stroke fih = 91.8126 °
Spring Material:Chrome-silicon alloy steel wire QQ-W-412
Allowable Bending Stress = 158000 psi
Modulus of Elasticity = 29500000 psi
Density = 491 lb/ft3
Utilization Factor of Material us = 0.95

Calculation Results:Stress Concentration Factor Kf = 1.063
Torsional Spring Rate k = 0.5356 lb ft / °
Length of Coiled Part Lz = 5.405 in
Angle between Arms for the Free State Alfa0 = 250.5 °
Limit Test Angular Deflection Fimax = 232.75 °
Deformation Energy W8 = 149.8 ft lb
Devel Length l = 185.5739 in
Spring Mass m = 9.0660 lb

Spring Parameters at the Minimum Working Load :UNK Stress Point 1 = 57171 psi
Spring Parameters at the Full Working Load :
UNK Stress Point 2 = 114342 psi
Body Length = 5.1480
Max Body Length = 5.3867 in

How is each element interlinked ?

An assembly-ready torsion spring is installed on an Element.

Pre-compressed

The spring becomes first pre-compressed to 50%*
* permanent locked Rest Tension (RT)
before it is installed interactively to adjacent Element.

Full Charge

The spring becomes 100% charged repeatedly
by each surpassing impulse.

Absorbing* the Momentum

After absorbing* the momentum** of prior element, the spring discharges its load to the next adjacent element.
*mass moment of inertia
** caused by impact of impulse

 
First Tests
Concept Prototype March 2006 mech28.htm
DSS CM1 Power Stream
DSS with Generators
Prototype 360 deg Sequence (Main Principle)
Prototype 180 deg Sequence (Main Principle)
Energy Balance DSS March 2006
Understand Pre-compressed