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  1. #11
    Join Date
    Nov 2001
    Location
    Medway
    Posts
    19,490

    Default Re: River Thames questions

    Quote Originally Posted by TomWGA View Post
    Thanks guys for all your help- very much appreciated.

    So with Richmond is there freeflow through the lock if I time it right- ie I won't have to lock through?

    Free flow is usually 2 hours before and 2 hours after HW at Richmond barrier .
    Total window of 4 hours.
    Will vary a bit due to tides etc.Basically as soon as the water is the same level each side of gate(s) it opens.
    Folks usually reluctant to use lock and only as last resort, bit grubby and a lot of faffing.
    Most useful IMHO when exiting river and you want to get out ASAP, perhaps to get well down Sea Reach using the ebb before tide turns or making last lock in at any of London marinas.Slowing up for rowers can add considerable time to any journey.We try to be off Southend at LW and use the early flood to go up the Medway back to Rochester.
    When going to round to St Kats or Teddington, try to punch last of ebb off Southend and use the flood to carry you up.
    Rarely have problems with airdraft at Hammersmith , more usual waiting for tide to catch up.
    Last edited by oldgit; 28-03-19 at 10:55.

  2. #12
    Join Date
    Jul 2007
    Posts
    8,291

    Default Re: River Thames questions

    Good point Fred, don't leave St Kats early and go too fast, you'll run aground somewhere around Kew!

  3. #13
    Join Date
    Nov 2001
    Location
    Medway
    Posts
    19,490

    Default Re: River Thames questions

    As B1 knows, like at least a couple of inches under the keel going up.
    Did kiss the bottom nearwhere Trevor Bayliss used to live, fortunately appeared to be soft sand or gravel.

  4. #14
    Join Date
    Jul 2007
    Posts
    8,291

    Default Re: River Thames questions

    Quote Originally Posted by oldgit View Post
    As B1 knows, like at least a couple of inches under the keel going up.
    Did kiss the bottom nearwhere Trevor Bayliss used to live, fortunately appeared to be soft sand or gravel.
    Ramage was not so fortunate! While my single engined Broom 30 skimmed over the top, his twin engined Birchwood 33 picked up a piece of builders sheet/ tarpaulin and caused no end of issues.

  5. #15
    Join Date
    Oct 2014
    Location
    Keswick, Cumbria
    Posts
    1,759

    Default Re: River Thames questions

    Whats the max airdraught you can get up to henley with?

  6. #16
    Join Date
    May 2008
    Location
    Limehouse hole
    Posts
    471

    Default Re: River Thames questions

    Cookham lock cut 12'6 at summer levels

    Air draughts:
    https://www.gov.uk/guidance/river-th...es-for-boaters

  7. #17
    Join Date
    Nov 2001
    Location
    Medway
    Posts
    19,490

    Default Re: River Thames questions

    our Princess 35 flybridge will go under with arch down.
    Chums Tubby 36 will go under with arch down.
    Did manage to get a Failine Brava 37 under merely by removing stainless light bar stuff and radar dome.
    Repositioning from Limehouse to Bray. It was going under one way or another come hell or high water.
    Think we might have left a trail of glass fibre gelcoat under bridge.
    Last edited by oldgit; 29-03-19 at 15:10.

  8. #18
    Join Date
    May 2008
    Location
    Limehouse hole
    Posts
    471

    Default Re: River Thames questions

    Cookham is above Bray. Did you mean Eton / Windsor bridge?

    Adam the previous keeper at Cookham would sometimes draw all the sluices to drop the level of the lock cut a couple of inches momentarily to let tall boats get under. Eton bridge is only a couple of inches higher anyway it seems but 2 inches can make all the difference.
    Last edited by Outinthedinghy; 29-03-19 at 21:06.

  9. #19
    Join Date
    Nov 2006
    Location
    Windsor, UK
    Posts
    1,871

    Default Re: River Thames questions

    Quote Originally Posted by Outinthedinghy View Post
    Cookham is above Bray. Did you mean Eton / Windsor bridge?

    Adam the previous keeper at Cookham would sometimes draw all the sluices to drop the level of the lock cut a couple of inches momentarily to let tall boats get under. Eton bridge is only a couple of inches higher anyway it seems but 2 inches can make all the difference.
    New lock keeper Dan at Cookham will also pull the sluices to give you another 6” for about 45 seconds if you ask nicely too - did it last year for a friends F43 during high levels.

    My P385 will go under with about 6-8” spare at normal levels (air draft 11’9” with arch down) so you’ll be fine...

  10. #20
    Join Date
    Nov 2001
    Location
    Medway
    Posts
    19,490

    Default Re: River Thames questions

    The trip up the esturary through cental London and then on to above Teddington lock never fails to lose its fascination.
    A challenge, plus all that history observed from your own boat.

    Forget the "MED" , dull far to hot and boring, without the Thames adventure in your logbook bit of nerve to even consider yourself a proper boater.

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