Notes
2 Fundamental concepts, methods and classification
1 Flexistar 6 is produced by the Orb Factory Ltd, Halifax, NS, Canada.
3 Planar double chain linkages
1 In the Hoberman sphere, AE = BE. It is not always necessary
2 Some diagrams shown in this chapter contain μ and ν which are anti- clockwise.
They are therefore negative in value.
3 Readers may follow a different route in writing down the vector form of the
closure condition. However, it always ends up with Eq. (3.10) because of the
loop parallelogram constraint.
4 Some diagrams shown in this chapter contain θ which are anti- clockwise. It is
therefore negative in value.
4 Spatial rings and domes
1 Further concepts could be generated in a similar way.
6 Spatial motion structures based on Bricard linkages
1 The increased mobility can be infinitesimal as well as finite.
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