Welcome to Dumfries and Galloway Sub Aqua Club  

Updated 19/07/2009

Scottish Sub Aqua Club

DG One

Loch Doon Spitfire Story

 

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 Launch and Recovery Techniques

Near the slip prior to launch

The object of the exercise is to reverse the boat down the slip, launch the boat off the trailer into safe water and clear the slip without delay.

Before commencing, ask yourself a couple of simple questions

Is the boat ready to launch -  Empty of kit  Launch fees paid?  all items checked,  fuel on,  vents open,  engine spins,  engine support removed,

Controls set to neutral, choke set, bung in,  trunk up,  painter free and correct length,  boat secured to trailer whilst on slip, easily freed from trailer, can I reverse down the slip safely,  can I stop at the bottom,  is there enough water,

Am I convinced that the engine will start?????

OK so we’re ready to go, first, be prepared to delegate, before attempting to launch, tell everyone what you expect them to do, and when and how to do it.

Be prepared for things to go wrong and plan how to deal with unexpected occurrences.

Decide how deep you’re prepared to immerse your vehicle, don’t get any deeper than the tyres unless you’re insured for chassis rot!

Be aware that others may wish to use the slip, so vacate immediately the boat is in the water, but remember to leave it in safe hands, preferably a drysuited diver, while you park the vehicle and trailer, and fit the wheel clamp.

Try to reverse the trailer to a wall or other obstacle, to deter any would be opportunists.

Also a good idea to have a floating dry container for keys cash, and fags, if your diving with big ash and also spare keys hidden on the vehicle.

Recovery

Recovering the boat is probably one of the most difficult operations for the uninitiated.

The main questions to ask are:

Is there enough water at the end of the slip?

Is it calm enough to recover?

Will my vehicle tow the boat up the slip on seaweed?

Does the boat need to be emptied before I winch it onto the trailer?

You will only be able to answer these questions with experience, but general rules would be:

·     Always remove all heavy kit before attempting to winch the boat onto the trailer

·     If the nose of the boat won’t float into the first pair of guide rollers it’s too shallow

·     If the slip is covered in seaweed and steep, and your car is front wheel drive, you may have problems

Again, think it through before you start, make sure all divers are available to help if required, if things look bad consider alternative slips or co-opting a four wheel drive.

Always try to avoid recovering on a falling tide--

If recovering on a rising tide be quick

Having recovered the boat onto the trailer, don’t be in to bigger rush to zoom up the slip, tyres and clutch smoking.--Check that the boat is tied on--check that the engine support is in place--make sure that no kit is balanced on the tubes or that no tubes are balanced on the kit!- and finally make sure everyone is clear of the trailer and wheels--then- set off slowly and park away from the slip entrance.

Golden Rule - Try not to come home without the boat!