azman
Well-Known Member
I think this might be broken
Anyone know of a good supplier of new ones?
Anyone know of a good supplier of new ones?
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Replacement P bracket
- Thread starter azman
- Start date
kacecar
Well-Known Member
I got a new P-bracket in 2008 from Teignbridge Propellers Ltd. If they're still there it's in Newton Abbot, Devon. Tel: 01626-333377. I can't remember how we arrived at a specification - I have an idea they made the originals (mine is a production boat and a "glass in" type of hull fitting). Took a while to make and deliver but was/is perfectly satisfactory. One thing to be aware of, they insisted on payment with order.
Boo2
Well-Known Member
+1 for Teignbridge and kacecar's other comments about them. I'm expecting my new P-bracket to arrive from them tomorrow, it is also a glass-in type but they do also sell the platform types you need, see http://www.teignbridge.co.uk/p_brackets.html.
The advantage of Teignbridge that swung it for me is they sell P-brackets made from Nickel Aluminium Bronze (to BS1400 AB2, Lloyds grade Cu3). A respected engineer on these forums posted that this is a much more corrosion-resistant material than the Manganeze Bronze other manufacturers make them from and is also stronger. There are also plenty of sources for SS P-brackets but I don't think that is a good idea for a glass-in type where you can't tell if water has made an ingress along the strut possibly causing crevice corrosion. SS may be ok for the platform type where water ingress can be seen/tested by unbolting the strut though ?
Boo2
vyv_cox
Well-Known Member
I bought mine from Lake Engineering, although I have absolutely no problem with Teignbridge and their material would be a better choice. There is a description of fitting mine on my website. That was not a platform type but I imagine there could be an alignment problem with that type unless the new one was identical with the old.
Neil_Y
Well-Known Member
Araldite?
azman
Well-Known Member
I thought superglue..
Thanks for the responses folks. Would the fact that the boat is fresh water only make a difference in the metal required?
Boo2
Well-Known Member
Yes, AIUI dezincification does not take place in freshwater so the requirements are lessened but I don't know what common practice would be in fresh water.
Boo2
oldsaltoz
Well-Known Member
I would be asking http://www.ybw.com/forums/member.php?35-vyv_cox What grade and type then take the old one to a fabricatior and have them knock one up for you.
Good luck and fair winds.
Good luck and fair winds.
vyv_cox
Well-Known Member
Unfortunately it does. DZR was originally developed for the plumbing industry to overcome dezincification problems in soft waters. So if the OP keeps his boat somewhere on the chalk downs he will be quite safe, but if it is in a loch or a Welsh canal it could be just as much of a problem there. My domestic water is sourced in mountain lakes in North Wales. We have replaced several brass fittings at home due to terminal corrosion and even the copper pipes don't last forever.
azman
Well-Known Member
Again thanks all for the responses.
a follow up for those that are following in the future.
Lakeland engineering don't do the platform type, and Teignbridge, are carp at reponding to emails / their contact forms on their sites.
a follow up for those that are following in the future.
Lakeland engineering don't do the platform type, and Teignbridge, are carp at reponding to emails / their contact forms on their sites.
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azman
Well-Known Member
An update for you. (because I hate threads like this that don't have a conclusion)
Today I asked a local company (K B Elsmore and Sons LTD) to make me a pattern and new P Bracket.
The casting itself will cost me the £119 Plus VAT from CuAl10Fe5Ni5 the final machining cost is currently unknown.
Also £650 + VAT for the casting pattern.
This is approximately the same cost as having a P Bracket manufacturer make one, but will be half the time. With the added bonus that I can have the casting pattern as an ornament for my mantelpiece
My primary reason for making this decision was because i didn't like the thought of trusting the old P Bracket to the Postie.
Today I asked a local company (K B Elsmore and Sons LTD) to make me a pattern and new P Bracket.
The casting itself will cost me the £119 Plus VAT from CuAl10Fe5Ni5 the final machining cost is currently unknown.
Also £650 + VAT for the casting pattern.
This is approximately the same cost as having a P Bracket manufacturer make one, but will be half the time. With the added bonus that I can have the casting pattern as an ornament for my mantelpiece
My primary reason for making this decision was because i didn't like the thought of trusting the old P Bracket to the Postie.
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omega2
Well-Known Member
azman
Well-Known Member
Thanks for that.
They're only an hour south of me, but didn't show up in a Google search. Next time I break a p bracket, I will most certainly be asking them to assist.
They're only an hour south of me, but didn't show up in a Google search. Next time I break a p bracket, I will most certainly be asking them to assist.
Boo2
Well-Known Member
Don't think so ? My P-bracket from Teighbridge in Nickel Aluminium Bronze cost only £308+VAT+shipping, so rather a lot less than your casting pattern alone...
Boo2
azman
Well-Known Member
platform types are more expensive, and according to several suppliers would need patterns made....
vyv_cox
Well-Known Member
You have probably gone ahead now anyway, but a one-off casting is always going to be very expensive. Fabrication might well have been cheaper if you could find someone to do it.
azman
Well-Known Member
I certainly did, but the out of water storage round here is eyewatering, and the local company said 3 weeks as opposed to the 5 weeks quoted by the p bracket boys. coupled with due to me telling my boss to "shove his job up his arse" shortly after the bracket broke meant we haven't been able to use her for a year. As you can imagine, I'm now desperate to get her fixed and use her. Plus SWMBO is hoping to reproduce, so we might have to sell her soon anyway.
Anyway, my next question.
Anyone know where I can get 1/2" x 2" bronze CSK machine screws?
Anyway, my next question.
Anyone know where I can get 1/2" x 2" bronze CSK machine screws?
Tranona
Well-Known Member
Anglia Stainless Steel (do bronze as well) or Seaware Ltd www.seaware.co.uk Both do postal delivered next day.
azman
Well-Known Member
Cheers Anglia came up trumps.
davey
Well-Known Member
I know that this reply is almost two years late but it may help others. To my great surprise no-one has mentioned T Norris of Isleworth. This company can cast propellers up to four feet across and they offer a choice of metals so it looks as if they have their own foundry. If that broken strut had been mine I would have drilled the base-plate and strut and bodged it back together somehow, not to use on the boat but to use as a pattern. The original strut appears to have suffered from dezincification so perhaps Nibral would be a better bet next time. Another advantage of Nibral is that castings only contract by 2%. With this being the case some thick coats of paint on the pattern might well bring back the 2%. Of course the new casting will have to be machined but I'm sure that they can do that.
Remember that if more middlemen are involved in the job the higher the cost will be. Another way is to fabricate a new bracket from stainless steel. If this is done the Cutlass Bearing ought to be the plastic type.
Remember that if more middlemen are involved in the job the higher the cost will be. Another way is to fabricate a new bracket from stainless steel. If this is done the Cutlass Bearing ought to be the plastic type.
