http://www.photobox.co.uk/my/photo?album_id=3463841711&photo_id=20762088903#20762088903 http://www.photobox.co.uk/my/photo?album_id=3463841711&photo_id=20762088927#20762088927
http://www.photobox.co.uk/my/photo?album_id=3463841711&photo_id=8684210356#8684210356 I think the gap in the firs throtle is 0.5 mm