what size anchor for 16ft

[Franknstein]

Hi
I'm looked at getting a small anchor for my 16ft power boat, which all in all with people on board I reckon weighs up to about 750kg.
I really would like an anchor that folds up... any ideas which one I should be looking at - weight-wise? Any good deals out there?

thanks

 

[Spi D]

A Rough Guide -
1lb a foot or 1.5kg per metre is a starting point and not too bad a one but only a guide. From there you adjust for the varying factors.

Increase the size if –

You have a heavier boat than the average
If you have lots of windage i.e. a big solid fly bridge, a ketch and etc
You are a big wide boat
You have a big blunt bow on your boat
You are a nervous sleeper or are ‘out to lunch’ when you are asleep
You have a lightweight rode behind the anchor
You are planning extended coastal or offshore trips
You boat is an area the weather changes fast
You are planning on using older anchor designs
While it is not recommended to go much smaller, some smaller boats can drop a small amount if -

You only day fish and don’t overnight on your boat
You never leave your boat on anchor
Know what seabed type you will be over all the time i.e. get a specialised type anchor
You never boat when there is wind over 10knts and waves
You have a skinny lightweight style of boat
You use a real big rode behind it

Notice that properties vary greatly with design.

 

[Franknstein]

Thanks for that, think I will go for an 8kg grapnel type.

 

[gjgm]

Hi
I'm looked at getting a small anchor for my 16ft power boat, which all in all with people on board I reckon weighs up to about 750kg.
I really would like an anchor that folds up... any ideas which one I should be looking at - weight-wise? Any good deals out there?

thanks

One aspect is where to store it on a smaller boat..
This type at least is reasonably flat

http://www.force4.co.uk/1181/Force-4-4kg-Danforth-Style-Anchor.html.

You might want a few metres of chain to help the anchor dig in, and then suitably sized rope.. but it has to be of a total weight that you can pull the stuff back up again !!
The grapnel type are really only for river bank type mooring in my opinion (or on the beach when the boat isnt going anywhere anyway!).
As previous post suggests.. you need different anchoring competencies for different situations.. staying still on a lake while having lunch will be different to leaving your boat in harbour for a month.
Some more here, but consider if you need this much holding capacity (comments tend to be on the safe side)
http://www.jimmygreen.co.uk/products/chandlery/anchors.
And if you are tidal, dont forget to put out enough line for the tide lifting the boat

 

[Spi D]

If you do not fancy a chain look for rope with weight (lead-ish) built in.

Remember that the flexibility of any mooring or anchor line is what makes it hold - and smoothen the load on the boat