Getting bogged down with this one. Please can I get a wee hand.
1a Indistinct speech from two bachelors in strong wind (6) no letters
4a Bolted together? (6) -l---d
3d Ski comes unstuck after a fast time on the tree (7) --n-i--
6d Film Caledonian river (7) --c----
13a Ape revolutionary invention over which rope runs (6,5) -o---y -----
Thank you again dannyk13. I only have 1d now to get " ship in pronouncedly grey surroundings covered in green" (6) g-a-s- ( think it may be grassy but cant figure it out apart from the green)