Reply
 
Thread Tools Search this Thread
 
Old 29 March 2012, 22:13   #11
Member
 
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
Quote:
Originally Posted by 51ROB20 View Post
Hi Peter, what do OVPs cost and where can you get them? I am not sure if it would be cost effective fitting them on an early SR M4 ?
Do a search for "Leafield A6" and it should turn up sources near you. They're about $20 US here, but they were also shipped from England.

jky
__________________

__________________
jyasaki is offline   Reply With Quote
Old 30 March 2012, 19:53   #12
Member
 
rokar's Avatar
 
Country: USA
Town: Eureka,CA
Make: HBI
Length: 5m +
Engine: 115hp yamaha o/b
Join Date: Feb 2011
Posts: 39
jyasaki, obtained a set of Halkey-Roberts pressure valves to put in during my refurbish. But I could not find a sight with enough info on how to reliably install them. Would you happen to have any info where to look? I've also been thinking about seeing if Wing could install them for me since they are only about 70 mi away. Thanks. Rokar
__________________

__________________
rokar is offline   Reply With Quote
Old 31 March 2012, 13:43   #13
Member
 
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
Hi Rokar;

The inflatable shop nearby (Sal's Inflatable Service) recommended cutting a fairly large (3-4") hole, and double gluing (inside and out) the patches containg the OPV's. Said the double fabric and double glue bond would make for a stronger installation.

That said, the design of the Leafield valves says specifically that it's meant to seal on a single ply of fabric. It would, I think, be tough to get the locking nut in through a just-large-enough hole though.

So, bottom line is, I have no idea. Pete Chandler have info on how his were installed.

jky
__________________
jyasaki is offline   Reply With Quote
Old 31 March 2012, 18:08   #14
Member
 
Country: UK - Scotland
Town: Newcastleton
Boat name: GLENNA
Make: Avon searider
Length: 4m +
Engine: Mariner 25hp
Join Date: Nov 2011
Posts: 72
Quote:
Originally Posted by jyasaki View Post
Do a search for "Leafield A6" and it should turn up sources near you. They're about $20 US here, but they were also shipped from England.

jky
Many thanks for the info, I will have a look on line over the week-end.
__________________
51ROB20 is offline   Reply With Quote
Old 01 April 2012, 13:53   #15
Member
 
rokar's Avatar
 
Country: USA
Town: Eureka,CA
Make: HBI
Length: 5m +
Engine: 115hp yamaha o/b
Join Date: Feb 2011
Posts: 39
Hi 51rob20,

I'm sorry that I forgot to mention that the HR valves were obtained from an outfit called NRS @ nrsweb.com. We have had very good experiences with them but they are a little on the high side. The pressure relief valves are rated at 2.5lbs so I hope that that would help give you an idea of tube pressures.

Thanks jyasaki for getting back to me with your info. The PR boots for the inside of the tube have flanges that are only 3in. in dia. The side of the flange that faces out has been prepped from the factory (roughed up). So, I think I can go with a smaller hole, fold it like a taco and then layover another piece with a smaller dia. on the outside.

rokar
__________________
rokar is offline   Reply With Quote
Old 01 April 2012, 14:03   #16
RIBnet supporter
 
Chris Caton's Avatar
 
Country: UK - England
Town: Wirral & Caernarfon
Boat name: That's Enuff
Make: Revenger & Avon SR4
Length: 7m +
Engine: Honda 150HP & 50HP
Join Date: Jul 2011
Posts: 4,199
Quote:
Originally Posted by 51ROB20 View Post
Hi Peter, what do OVPs cost and where can you get them? I am not sure if it would be cost effective fitting them on an early SR M4 ?
try henshaws, they fit tubes to lots of ribs and have a good online shop for bits, they sell the glue etc as well, i got a spare inflation & PR valves from them a while ago
the PRV do work, on a cool day after it's been hot the tubes are always soft and need a bit of air, but much better than getting them repaired, been there, got the t-shirt
__________________
Chris Caton is offline   Reply With Quote
Old 01 April 2012, 14:36   #17
Member
 
Peter_C's Avatar
 
Country: USA
Boat name: Uh...a kayak?
Length: 4m +
Join Date: Dec 2009
Posts: 1,485
Not being in Europe I would just buy from a local USA supplier like NRS web. I am including the NRS website that then shows there are different pressure ratings. For instance my boat has a 3 psi fill pressure would I want the 3.25 psi OPV? Or is the higher pressure one at 4 psi the correct one to get?

Raft & Inflatable Boat A6 Pressure Relief Valve by Leafield - Man of Rubber, Inc.

http://www.nrsweb.com/shop/product.a....9&deptid=1030

A long time ago when I was researching them, I found a higher cost of around $50 US valve that had an adjustable pressure set point.

I have never deemed my boat worthy, but starting to rethink one in the bow would protect my three main tubes. Hmmm...damn you RIB.net you are costing me more money! Rather my complaint should be another dang project into the list, which is a long one. Off to spray for poison oak again.
__________________
Peter_C is offline   Reply With Quote
Old 01 April 2012, 14:53   #18
Member
 
Country: Canada
Town: Yellowknife CANADA
Make: Zodiac MkI & H440
Length: 4m +
Engine: OMC 2hp/15hp/60hp
Join Date: Aug 2008
Posts: 133
I wonder what pressure it takes for the intercommunicating zodiac valves to pop and release some air? I've never seen/heard them do it on my MkI or MkII but I've read that they are designed to self release if there is too much pressure in the tubes. I've always chickened out and manually released the air when the tubes seemed to be in danger of over inflating due to getting hot.
__________________
headdamage is offline   Reply With Quote
Old 01 April 2012, 15:20   #19
Member
 
rokar's Avatar
 
Country: USA
Town: Eureka,CA
Make: HBI
Length: 5m +
Engine: 115hp yamaha o/b
Join Date: Feb 2011
Posts: 39
Hi peter c,

I am pretty happy with the stiffness in the tubes at 2 - 2.5lbs. Living on the coast makes it easy to keep them inflated correctly. What I am concerned about is that I will be on the water for a week at Lake Shasta in June. 50 degrees at night and 80-90 during the day. I assume that you are familiar with lake?

rokar
__________________
rokar is offline   Reply With Quote
Old 02 April 2012, 01:51   #20
Member
 
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
Quote:
Originally Posted by Peter_C View Post
Hmmm...damn you RIB.net you are costing me more money!
You have a boat. You will always be spending money.


Quote:
Rather my complaint should be another dang project into the list, which is a long one. Off to spray for poison oak again.
Okay, that was a kind of weird tangent.

jky
__________________

__________________
jyasaki is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

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





Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 03:41.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.