Compliance plate

[Russ]

Highlander, you are 100% correct on the Coast Guard regulations. The OP (Lucky Drifter) is in Australia. Their regulations may have required one when it was imported.

Good point. The regs down under are much different than the USA or Canada.

[Lucky Drifter]

Hi Everyone
Well we have done all the research on the Yamaha T60LB for our 26X, Insu rance, Transport fo NSW, MacGregor dealers & the Yamaha dealer. What we have found is that the T60LB high thrust is suitable for our Mac. The Australian importer sold 60 boats all with 60hp outboards. What we are going to do is get the installation checked by our local Marine Surveyor. He will then give us a builders plate & that will be acceptable to everyone.

We have gone ahead & ordered a Yamaha T60LB long shaft high thrust. We now have to work out the best prop size, any advice would be greatly appreciated. Peter has a 14X11-K prop on his Mac. Also if anyone has photos of the installation showing connection to the tiller rods that would be a great help. Our dealer has not fitted to a MacGregor before.

Thanks for your help & advice
Len

[OverEasy]

Hi!
Congratulations on getting it all figured out appropriately!

What we learned with our new engine installation is that Prop sizing is best individually tailored to “your actual as will be use condition with & without ballast” so that your new engine can reach as close to max recommended engine RPM without exceeding it or having the engine computer rev limiter engage at the full wide open throttle position while the boat is underway.

What you want to avoid as much as over reving is under reving or “lugging” the engine. Engines develope peak horse power at a range close to the max recommended operational rpm. When you get a prop size that gets the engine close to max but not exceeding it that prop generally will be the best relative prop throughout the engine’s operational range for your particular boat.

Your engine manufacturer actually wants you to have a good operational range and a durable engine that is reliable.

Best Regards
Over Easy

[Lucky Drifter]

Thanks Overeasy, still has some research to do get this right,