Reply
 
Thread Tools Search this Thread Display Modes
 
Old 03-02-2018, 05:01 PM   #1
Guru
 
Simi 60's Avatar
 
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 3,443
Variable length power twist belts

Anyone used one?



POWERTWIST V Belts | Fenner Drives

To replace the raw water pump belt on ours requires removing some gear whereas these would not.
Thinking it would make a better spare than a one piece belt.
__________________
Advertisement

Simi 60 is online now   Reply With Quote
Old 03-02-2018, 05:16 PM   #2
Senior Member
 
eagle419's Avatar
 
City: Sydney
Join Date: Apr 2012
Posts: 250
Yep, I use them for the same reason, and carry a couple of spares and adjust length accordingly.

They've worked fine for the last four years.
Attached Thumbnails
DSC05557.jpg  
__________________

__________________
John
eagle419 is offline   Reply With Quote
Old 03-02-2018, 05:25 PM   #3
Guru
 
Simi 60's Avatar
 
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 3,443
Thanks for that, a shopping I shall go.
Simi 60 is online now   Reply With Quote
Old 03-02-2018, 05:36 PM   #4
Guru
 
kchace's Avatar
 
City: Brookline, NH
Vessel Name: Blue Heaven
Vessel Model: Albin 43 classic double cabin, twin 135 Lehmans
Join Date: Sep 2013
Posts: 2,054
I haven't used one myself but I know they've been popular for use on table saws for years.
kchace is offline   Reply With Quote
Old 03-02-2018, 06:06 PM   #5
TF Site Team
 
Insequent's Avatar
 
City: Brisbane
Vessel Name: Insequent
Vessel Model: Ocean Alexander 50 Mk I
Join Date: Mar 2012
Posts: 3,298
I had one on a concrete mixer years ago. The idler/tensioner pulley created a sharp bend that caused normal belts to fail. The red thing worked a treat.
__________________
Brian
Insequent is online now   Reply With Quote
Old 03-02-2018, 06:17 PM   #6
Technical Guru
 
Ski in NC's Avatar
 
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,183
Seen those before where belt path was trapped (see above). Thought they were BS. Then did some checking around and found out they were quite durable. AND easy to change in trapped paths.
Ski in NC is offline   Reply With Quote
Old 03-02-2018, 07:01 PM   #7
Guru
 
dhays's Avatar
 
City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 8,670
I’ve not seen those before, but I am thinking that it would make a good spare belt to have on board.
__________________
Regards,

Dave
SPOT page
dhays is offline   Reply With Quote
Old 03-02-2018, 07:05 PM   #8
Guru
 
AusCan's Avatar
 
City: Adelaide
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 3,195
We've used them on machinery at work and found them to be durable, although they tended to slip in some very high load applications.
AusCan is offline   Reply With Quote
Old 03-02-2018, 07:14 PM   #9
Guru
 
dhays's Avatar
 
City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 8,670
Quote:
Originally Posted by AusCan View Post
We've used them on machinery at work and found them to be durable, although they tended to slip in some very high load applications.


I am a mechanical idiot, but I wouldn’t think that the belts on the typical trawler would have a lot of load, or at least torque loads that would cause much slipping.
__________________
Regards,

Dave
SPOT page
dhays is offline   Reply With Quote
Old 03-02-2018, 07:16 PM   #10
Guru
 
MurrayM's Avatar
 
City: Kitimat, North Coast BC
Vessel Name: Badger
Vessel Model: 30' Sundowner Tug
Join Date: Jul 2012
Posts: 7,566
Any tips for installing these on a boats engine?

__________________
"The most interesting path between two points is not a straight line" MurrayM
MurrayM is offline   Reply With Quote
Old 03-02-2018, 08:05 PM   #11
Technical Guru
 
Ski in NC's Avatar
 
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,183
High output alternators under a big load, I could see those slipping.
Ski in NC is offline   Reply With Quote
Old 03-02-2018, 08:29 PM   #12
Guru
 
twistedtree's Avatar
 
City: Gloucester, MA
Join Date: Jan 2013
Posts: 6,543
Some stabilizer hydraulic pumps are belt driven too and heavily loaded.
__________________
MVTanglewood.com
twistedtree is offline   Reply With Quote
Old 03-02-2018, 11:42 PM   #13
Guru
 
AusCan's Avatar
 
City: Adelaide
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 3,195
Quote:
Originally Posted by dhays View Post
I am a mechanical idiot, but I wouldn’t think that the belts on the typical trawler would have a lot of load, or at least torque loads that would cause much slipping.
The loads we used them on were much higher, (big cooling fans for 2000 hp engines in the desert) It also depends on the size of the pulley. If undersized there is less contact area to grab hold.

A big alternator does test put a lot of load on a belt but mainly because a small pulley is used to get higher rpm and output.
AusCan is offline   Reply With Quote
Old 03-06-2018, 10:06 PM   #14
Guru
 
River Cruiser's Avatar
 
City: UMR MM283
Vessel Name: Northern Lights II
Vessel Model: Bayliner 3870
Join Date: Jan 2013
Posts: 1,357
I have one in the spares on my boat. I always thought it was good for emergency use now I realize it may be more durable than I thought.
__________________
Ron on Northern Lights II
I don't like making plans for the day because the word "premeditated" gets thrown around in the courtroom.
River Cruiser is offline   Reply With Quote
Old 03-07-2018, 12:22 AM   #15
Guru
 
tiltrider1's Avatar
 
City: Seattle
Vessel Name: AZZURRA
Vessel Model: Ocean Alexander 54
Join Date: Aug 2017
Posts: 2,581
My stabilizer pump uses a cogged belt like you find on a car’s timing belt.

I had these in the spares kit for emergency use. Have never needed them but nice to know they have a good reputation.
tiltrider1 is offline   Reply With Quote
Old 03-26-2018, 12:52 PM   #16
Senior Member
 
senangsekali's Avatar
 
City: Victoria
Vessel Name: Senang Sakali
Vessel Model: North Sea 37
Join Date: Jun 2017
Posts: 216
Quote:
Originally Posted by eagle419 View Post
Yep, I use them for the same reason, and carry a couple of spares and adjust length accordingly.

They've worked fine for the last four years.
How does their sizing work on the website.
senangsekali is offline   Reply With Quote
Old 03-26-2018, 02:27 PM   #17
Member
 
City: Juneau, AK
Vessel Name: Nautical Dementia
Vessel Model: 46 ft. Voyager
Join Date: Apr 2017
Posts: 17
I first came across these belts on a boat I purchased, first thought was that they were used for emergency only. Belt manufacturer web site claims 10+ times longer life than rubber belts. They are used extensively in industrial applications where long life is needed. They do cost more than standard belts.
Nautical Dementia is offline   Reply With Quote
Old 03-26-2018, 08:29 PM   #18
Guru
 
High Wire's Avatar
 
City: Cape May, NJ and Englewood, FL
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 3,917
Even though I have 2 brand new belts as spares, I bought one of these in case the alternator bearing seizes. I can go from the crank pulley to the coolant pump pulley directly to prevent overheating and get to a marina somewhere.
__________________
Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May NJ
High Wire is offline   Reply With Quote
Old 03-29-2018, 10:59 AM   #19
Guru
 
Heron's Avatar
 
City: Cypress Landing Marina (NC)
Vessel Name: Heron (2)
Vessel Model: '88 Cape Dory 28 Flybridge #115
Join Date: Nov 2014
Posts: 1,303
Quote:
Originally Posted by High Wire View Post
Even though I have 2 brand new belts as spares, I bought one of these in case the alternator bearing seizes. I can go from the crank pulley to the coolant pump pulley directly to prevent overheating and get to a marina somewhere.
Excellent idea!
__________________

__________________
Steve
Heron is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



» Trawler Port Captains
Port Captains are TF volunteers who can serve as local guides or assist with local arrangements and information. Search below to locate Port Captains near your destination. To learn more about this program read here: TF Port Captain Program





All times are GMT -5. The time now is 12:06 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2021, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2006 - 2012
×