Most racquets made by the brand names and used by professionals (like Babolat, Head, Prince, Wilson, etc.) will be 27 inches. Some will be 27.5 inches, but companies usually do not deviate from these...
Carlton badminton rackets are made by Carlton them self's but at the moment their web page is not up and running so you can not see any of them. but if you want to bye a good badminton racket then...
The tennis racket is much longer and heavier than a racqetball racket as the handle is much shorter.
But today, even the size of the head of the tennis racket is also usually larger than that of the...