RE: can umpire call service fault?
First: Tux,
Changing of hands is, as others have alraedy stated, perfectly legal. The drive service is a slightly different matter.
A service should be hit as follows: at the time of delivery, 1. the whole of the shuttle should be below the servers waist;
2. the whole of the rackethead should be decernably below the
the whole of the server's hand holding the racket.
There are other ristrictions as well, but these two are the ones which relate to your question. Mind even using these two
rules, good players can still hit quit a flat service.
Second: Jeff
You will find all measures and dimentions on www.intbadfed.org. This is the official site of the International Badminton
Federation. There, among other things, you will find the Laws of Badminton, including diagrams with dimentions.
Third: Andrew
In terms of Badminton Law, an umpire can give a service fault. When a special service judge is appointed, the umpire will
not give service faults, except in the case where the server stands on the (centre) line and the server obstructs the
a service judge's view on this line. When there is no service judge appointed, the responsibillities of this official will be taken
over by the umpire. Mind, since judging services is all about angles, calling service faulfs from the umpires chair is
extremely difficult. The Laws that you are looking for, are 17.2, 17.3, 17.6.5 and 17.6.6. You will find the most recent text on
www.intbadfed.org.