Originally Posted by JABS
Could the Tacho be out??
Yep. I just got the engine report from the service on mine, and it shows my revs maxing at 5741rpm.
Now, the tacho was registering 6400 which is why I went to a 21" prop. However, on moving up to the 21", I appeared to lose speed, which did not seem correct given the engine is now peaking rev wise (according to the tacho) at 5800 ish, which is peak power output.
But, it appears the tacho is out, so it was in the right rev range in the first place, and I was getting a couple of knots higher top end. So, the 19" will be going back on
Tony, if you want to borrow it before it goes back on, no probs. I a thinking about being out tomorrow and Saturday if the weather is not too horrendous both days. But after that, the 19" will be back on the boat
That 21" sure was an expensive spare