This gives a more realistic speed as well as affording the model more pulling power.
These straps pressed against the horse's sterno-cephalicus muscle and trachea, which restricted breathing and reduced the pulling power of the horse.
The locomotives functioned on steam, generating a pulling power of 600820 cv.
These straps pressed against the horse's sterno-cephalicus muscle and trachea which restricted its breathing and reducing the pulling power of the horse.
Adding four driving wheels increased the pulling power of the locomotive and reduced the need for helper locomotives over steep grades.
On the other hand, some consumerists attribute quite fantastic pulling power to advertisements which not even an old-time huckster could hope for in his wildest dreams.
A great deal of comment has centred on the issue of tugs when in reality the problem towards the end was buoyancy and not pulling power.
But he ran into larger and larger losses because the new readership did not have the pulling power and, therefore, the advertising profitability of his old readership.
