Search found 5 matches
- Tue Nov 17, 2009 3:02 pm
- Forum: The Workshop
- Topic: Speed - Power - RPM - Pitch Question
- Replies: 20
- Views: 17259
Re: Speed - Power - RPM - Pitch Question
Thanks, I was in a rush posting from work and was planning on resizing when I got home.
- Tue Nov 17, 2009 10:30 am
- Forum: The Workshop
- Topic: Speed - Power - RPM - Pitch Question
- Replies: 20
- Views: 17259
Re: Speed - Power - RPM - Pitch Question
The cleaning was for the most part successful. The bottom paint was in excellent condition and the zincs still had some life left. We'll do a proper haulout in the spring to repaint. Made a disturbing discovery with the prop though, as you can see in the picture. All 3 blades are bent and torn - the...
- Thu Oct 22, 2009 3:25 pm
- Forum: The Workshop
- Topic: Speed - Power - RPM - Pitch Question
- Replies: 20
- Views: 17259
Re: Speed - Power - RPM - Pitch Question
There is a year and a half worth of growth on it which is getting scraped this weekend, so we'll see what effect that has. JK - are you suggesting the prop may have been spec'd for the heavier loads that the boat would have been subjected to when it was operated commercially, sitting much lower in t...
- Wed Oct 21, 2009 9:32 am
- Forum: The Workshop
- Topic: Speed - Power - RPM - Pitch Question
- Replies: 20
- Views: 17259
Re: Speed - Power - RPM - Pitch Question
JK - its got a squared off transom - not a double ender. Dieselduck - the boat is mostly operated in deep cove and indian arm, where current certainly can be a factor, but even at slack tide / neutral currents I'm only getting 5 knots SOG. I measured the rpm at the accessory pulleys mounted to the c...
- Tue Oct 20, 2009 9:08 pm
- Forum: The Workshop
- Topic: Speed - Power - RPM - Pitch Question
- Replies: 20
- Views: 17259
Speed - Power - RPM - Pitch Question
Hi, I'm new to this forum and have a question regarding the disturbingly low cruising speed of my 34' retired fishing boat. Its a typical westcoast wooden troller built in the 60's, 34', powered by a naturally aspirated Perkins 6-354 (100ish hp) with a borg warner velvet drive transmission. I've mea...