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Frank

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Posts posted by Frank

    Do cat one inspections do any good?

    in MarineTalk

    Posted

    As Ive said before. Select your cat 1 inspector early, and talk to them about your intentions. That way no surprises when your nearly ready to go. In my experience they have been reasonable, and not to list based. The list is used if they feel the boat or crew is not ready, as a way out.

    There is a lot of crap and third hand "knowledge" around about people being prevented from leaving, but this is a very rare occurrence.

    Generally the cat one inspector is, at a minimum, another set of experienced eyes looking over your boat. That's not a bad thing, IMO.

    Sound advice from the experienced, IMHO.

    Do cat one inspections do any good?

    in MarineTalk

    Posted

    1/4 of nz departures results in 1/3 rescue why? inexperienced crews/skippers due to yachts being inexpensive,which leads to my thinking that every man thinks he can go offshore with no worries,just need to get cat1 and away little or no sailing experience.

     

    We have all heard the stories of,mate she was a cake ride to fiji etc

    Would I contemplate going offshore in my own vessel without going with an experienced crew/skipper first?NO

     

    Perhaps there needs to be some form of bond/insurance to cover rescues?no I do not think so gives the airforce something to do and lets the navy put in to practice what they have been taught

    "Would I contemplate going offshore in my own vessel without going with an experienced crew/skipper first?NO" .......Talk to Matt of IT :-)

    Sources for gelcoat planers -buy or rent

    in TechTalk

    Posted

    Try contacting Hutcheson boat builders in Tauranga, If they can be hired Terry may know where . This yard  did a bottom job on our Hood 38 built in 1986.Having seen a planer set up I don't think they would save much on the labour cost better to pay a contractor to do it. I gather  the process on the Hood was quite long and involved, after planing the hull was repeatedly rinsed with fresh water to (I think) get rid of salt contamination. The laminate moisture content was measured until it reached the required level then it was re-faired and 2 layers of CSM added using vinyl Ester, more fairing , then Epoxy paint etc, I think it all took 6 months. The previous owner did quite a bit of the straightforward but labor intensive  work but paid the pros to do the tricky bits, best way to save money. All I can say is that I'm glad it was all sorted before we purchased.

    Teak supply

    in MarineTalk

    Posted

    Apologies if has been asked before, where is the best place to find teak. Only looking for a couple of cubes of around 60mm so off-cuts would be perfect. Ta.

    Rosenfeldt and Kidson, 

    Radar Positioning, Which is Best

    in TechTalk

    Posted

    Morning folks.

     

    We are upgrading our radar from analogue to digital (Raymarine) and the current transponder is on a pole bolted to the transom. As we have recently added a boarding platform and want to free up access space we are planning to move it to the mast .

     

    The geometry all checks out so it will fit  ok with adequate sail clearance etc.

     

    I would be interested to hear of the pros and cons with having it on the mast as opposed to the transom. Matt ..........? :-)

     

    chrs

    Over Cooling

    in TechTalk

    Posted

    Morning all, I have a seawater cooled Vovlo MD7B, (3000 SERIES ?) long story but I had to take the thermostat out of the watercooled exhaust manifold. I cant put a new one in due to corrosion damage but the manifold is fine otherwise and they are eye-wateringly expensive. The motor did not seem to mind and still came up to temp but perhaps a bit slower, no biggie. However I recently replaced the impeller and now the flow is such that it runs way too cool. Clearly the old impeller delivered a degraded  flow that was nevertheless about right.

     

    I have a digital temp module with an alarm so i can monitor it accurately.

     

    I was wondering about putting a second valve in the inlet line as a partial restrictor and then experimenting to reduce the flow to get a good balance again, thoughts ?

     

    chrs

    The end of the engine?

    in TechTalk

    Posted

    Commiserations Matt,

     

    Small consolation but at  at 10,000 hours you have had an outstanding life for that motor.

    Also a head job will push the restored compression to the next line of defense, ie the rings or block, so its perhaps more than co-incidence to see this, post OH if there was a latent defect.

     

    We recently had a self inflicted fuel supply blockage with our Perkins 4108,  found that eventually and fixed it, meantime had half the  system apart which caused failure of the Racor primary filter selection cock, 2 more weeks to suss that, 4 weeks later we are back in business. The silver lining is that we now know the fuel system back to front !

    Tool Kit

    in TechTalk

    Posted

    Well I suppose they are not tools as such but still handy.

     

    A selection of Jubilee clamps, a tube of the red high temp RTV and a few short hose pieces , have saved my bacon a few times.

    Also some cheap electrical choc block

    Tool Kit

    in TechTalk

    Posted

    A selection of Jubilee clamps, a tube of the red high temp RTV and a few short hose pieces , have saved my bacon a few times.

    Also some cheap electrical choc block

    If you are racing weight is a consideration, here's few items that I think are must haves;

     

    Hacksaw plus spare blades- rig removal 

    ball peen hammer- useful for persuasion

    spanners to suit bolts on board usually a few small ring and open enders for fittings and an adjustable

    good quality sidecutters- electrical work, rigging wire

    vice grips, std and/or small needle nose- very useful as second pair of hands

    needle nose pliers- generally useful

    screwdrivers to suit

    punch or small drift, removing pins

     

    Tape, electrical and duct (3-M)

    el cheapo mulitmeter

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