As I recall the A4 on my sistership was rated about 30 HP.
From: Della Barba, Joe via CnC-List <cnc-list@cnc-list.com> Sent: Tuesday, February 16, 2021 3:21 PM To: Stus-List <cnc-list@cnc-list.com> Cc: Della Barba, Joe <joe.della.ba...@ssa.gov> Subject: Stus-List Re: C&C 34 re-power HP If you want to battle headwinds and seas I would use more than the 20 HP engine. Depending on your budget and space the 25 or 30 would both be good choices. The 34 I used to sail on had a 2 cylinder Yanmar that was 18 HP (I think) and shook the entire boat. It was by no means overpowered. 3 cylinders = less vibration and more power. Joe Coquina C&C 35 MK I 4 cylinders
Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu