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John Allan
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  • LARGYALO
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Repower of my Narai MK IV

 I am thinking to use a 50hp Yamaha high-thrust mounted on my rebuilt/strengthened sled using the extension to get a 25" shaft length. Any feedback on this idea would be greatly appreciated. I did a…Continue

Started Jun 7, 2013

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Latest Activity

John Allan left a comment for Herr Kaluent
"Hello, She appears to be phishing, quite possible I am wrong..... she sent some pic's with a description of her circumstance. My advice FWIW, its a scam! John "
Jul 17, 2013
John Allan left a comment for LARGYALO
"Thanks for your feedback"
Jun 10, 2013
LARGYALO left a comment for John Allan
"HiJohn, we have installed two YAMAHA 50 HP high thrust on our Pahi 65, and are quite happy with them. Just yesterday we had to round Cape Farrutx in Northern Mallorca with Force 9 gusty winds and great seas. Felt good to have these hundred horses…"
Jun 10, 2013
John Allan replied to alex's discussion RE POWERING THE BOAT
"My experiences with owning two liveaboard monohulls and living full time in USVI on these boats both with inboard diesels. All I can say is for me with the trade offs/compromises being weighed out..... I am going with the outboard and hopefully my…"
Jun 8, 2013
John Allan replied to alex's discussion RE POWERING THE BOAT
"Thanks Andy, Factory shaft length is 20 inches, so i must purchase after market extensions. Was told you can use 2 which I am still trying to verify? Should see a significant reduction in cavitation with the extended shaft. Local Yamaha dealer…"
Jun 7, 2013
John Allan replied to alex's discussion RE POWERING THE BOAT
"Thanks Andy tha'ts very useful info... what is the shaft length on your 50? I also experienced cavitation with the Johnson which has a 25" shaft. Do you feel a 30 inch shaft would help? I was told you could use two 5 inch extensions to get…"
Jun 7, 2013
John Allan posted a discussion

Repower of my Narai MK IV

 I am thinking to use a 50hp Yamaha high-thrust mounted on my rebuilt/strengthened sled using the extension to get a 25" shaft length. Any feedback on this idea would be greatly appreciated. I did a nearly 2,000 nm journey from Sanibel Fl. through the Bahamas and back with a 30hp Johnson, YUHG, sucked fuel at an alarming rate, terribly loud and underpowered,  Only positive is...i could fix it with screwdriver and vicegrips, did this more than I wanted  !!!!!I require a dependable and swift…See More
Jun 7, 2013
John Allan joined Geminidawn's group
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Big Cat Owners 40-65 Building, Ownership and Sailing

A group for all Wharram Big Cat Owners where the building, ownership and sailing can bring their own challenges.
Jun 7, 2013
John Allan replied to alex's discussion RE POWERING THE BOAT
"Hello, I am renovating my Narai MK IV, which  has a horrible 30hp Johnson, wanting to repower with the 50hp high thrust Yamaha, I found this when researching gas vs. diesel....http://www.yachtsurvey.com/GasDiesel.htm brings up some very…"
Jun 7, 2013
John Allan posted a status
"I am currently needing to choose the " best " method for propulsion when sailing is not an option."
Jul 8, 2012
John Allan is now a member of Wharram Builders and Friends
Jul 8, 2012

Profile Information

I am:
A home builder, I own a Wharram
What boat (s) are you building or do you own?
Narai mk4 , " Windchime" built by David and
Neila Coe. Now undergoing a major renovation and refit.
Country, City, and State?
Sanibel Island Fl. USA
About me or us?
Business owner, designer, builder, jeweler, goldsmith, sculptor, etc...Former home owner and 13yr resident of St John and St Croix USVI. 20yr resident of Sanibel, recent empty nester, home is now a vacation rental business. Father of 3 of the very greatest young adult humans being
Looking to?
Discovery, learning, travel, adventure, etc..












Create new opportunities for adventures in, travel, learning, discovery, and business.


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Comment Wall (1 comment)

At 11:25am on June 10, 2013, LARGYALO said…

HiJohn, we have installed two YAMAHA 50 HP high thrust on our Pahi 65, and are quite happy with them.

Just yesterday we had to round Cape Farrutx in Northern Mallorca with Force 9 gusty winds and great seas. Felt good to have these hundred horses keeping us from the rocks. Berti will write you more about technical details.

Best regards to FL,

Petra

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