40"-42" chest , 34" waist , 12 1/2 stone , 5'9" tall . I find medium size to be too short in the sleeves , but home knitting would sort that , just knit more rows .
So i usually get large or xlarge , but that may be due to sizes being wrong these days as most fit fine .
Looks like it would be about 1 1/2 weeks to spin a jumper .
Judging by the time it takes me to knit sections of rib and stocking stitch , i should be able to knit a plain ish , thick ish jumper in about the same amount of time .
Not worried about exact times to do these things , just an ish factor, things take as long as they take . Thanks Sally and Fw .