Included Data (pybow.data)

Data for Beckhoff 1964

pybow.data.beckhoff1964

A nested dict containing modulus of elasticity and modulus of rupture values used in Beckhoff’s 1964 paper. [kb1964]

It is structured on material names first, material properties second:

{
    'yew': {
        'MoE': 11.77E9,
        'MoR': 61.29E6
    }
}
pybow.data.beckhoff1964_vrees1

a pybow.Bow with the measurements of the Vrees yew bow used in Beckhoff’s 1964 paper. [kb1964]

Data for Junkmanns 2013

pybow.data.junkmanns2013

A nested dict containing the correlation factors and their percentual spread as used in Junkmanns’ Pfeil und Bogen. [jj2013]

It is structured on material names first, correlation factor/spread second:

{
    'yew': {
        'corrfac': 24.95328,
        'spread': 0.35
    },
    'elm': {
        'corrfac': 25.17568,
        'spread': 0.21
    }
}
pybow.data.junkmanns2013_rottenbottom

A pybow.Bow with the measurements of the Rotten Bottom bow used by Junkmanns to demonstrate his simplified method.


[kb1964](1, 2) Beckhoff, K 1964, ‘Der Eigenbogen von Vrees‘, Die Kunde N.F. 15, pp. 113–125.
[jj2013]Junkmanns, J 2013, Pfeil und Bogen, Verlag Angelika Hörnig, Ludwigshafen.