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Posts : 2557 Join date : 2010-12-15 Age : 62 Location : ADDLESTONE
Subject: Re: Molesey Eel trap results 2013 Thu Jun 20, 2013 9:31 am
Ed Randall wrote:
Then just needs a manual suction pump of some kind (or a crazy volunteer!) to prime it. Once started it should run forever (until it blocks).
is someone having a laugh
for this to work, you would need a flexy pipe around 6" in die-am-i-tor foe anoth water flow to go though the systum
Ed Randall
Posts : 3326 Join date : 2010-11-19 Age : 58 Location : Twickenham
Subject: Re: Molesey Eel trap results 2013 Thu Jun 20, 2013 10:49 am
Ah har! No I am serious, here is a flow rate calculator: http://www.calctool.org/CALC/eng/civil/hazen-williams_g Need to measure the length of pipe that would be required and vertical drop from upper river level to the trap. Then need to know what flow rate the eel trap actually requires.
Ed Randall
Posts : 3326 Join date : 2010-11-19 Age : 58 Location : Twickenham
Subject: Re: Molesey Eel trap results 2013 Tue Jun 25, 2013 3:19 pm
From the gauging records it seems there were unfortunately only 6 days during June when there was enough flow for the trap to count as having been "operational".
The EA+ZSL have put a siphon arrangement in place and although the flow is less than it should normally be, the trap is operational again and will require regular checks once more, also checking that the siphon is flowing.
Keith Collett
Posts : 2557 Join date : 2010-12-15 Age : 62 Location : ADDLESTONE
Subject: Re: Molesey Eel trap results 2013 Tue Jun 25, 2013 3:43 pm
EYE'm free 2morrow, need the X-or-size, so will pop down 2moorow, plus sea "HOW", (do love that program), many people are fishing
David Harvey
Posts : 5381 Join date : 2010-01-21 Age : 109 Location : Surrey,
Subject: Re: Molesey Eel trap results 2013 Tue Jun 25, 2013 4:55 pm
Thanks Ed, Keith.
We are back on again so yes please if you can get down tomorrow and Saturday 10:30 as normal for anyone who is free.
Be good if you can get some pics of what they have set up and if the flow is now running clear etc. Hopefully Eel time again
Keith Collett
Posts : 2557 Join date : 2010-12-15 Age : 62 Location : ADDLESTONE
Subject: Re: Molesey Eel trap results 2013 Wed Jun 26, 2013 7:09 pm
here are this weeks eel results nil
there is a pipe going into trap so water is going though, due to water levals being low due to work going on at the weir.
some time in the next 7/10 days, they are going to section off some areas of the weir and drain it of water, the fishy EA people are going to turn up and catch all the 100Ib catfish, 55Ib pike, 22Ib bream, 22 and a 1/2Ib barbel, 3Ib roach, and 1/2Ib bleak and any zander they find will be going into some ones p--, you never know, we might see some "EELS" as well:twisted:, more news on when/wear/timings to follow
plus pics off new Eel swim
Last edited by Keith Collett on Wed Jun 26, 2013 7:23 pm; edited 1 time in total
Ed Randall
Posts : 3326 Join date : 2010-11-19 Age : 58 Location : Twickenham
Subject: Re: Molesey Eel trap results 2013 Wed Jun 26, 2013 7:14 pm
Hmm think I would have used a bigger pipe than that, what is the flow like?
Keith Collett
Posts : 2557 Join date : 2010-12-15 Age : 62 Location : ADDLESTONE
Subject: Re: Molesey Eel trap results 2013 Wed Jun 26, 2013 7:25 pm
there was just enoth water to flow though bottum part off eel trap, but could do with a few more pipes
Alex Domenge
Posts : 20 Join date : 2013-04-18
Subject: Re: Molesey Eel trap results 2013 Fri Jun 28, 2013 11:28 am
I'm glad there is now a siphon running. I'm wondering how much the building is affecting the eels along there. I'm away on holiday right now, back next week, hopefully will be able to check the trap the first sat of July.
Here's a picture of the mayfly I found on the walk up to the trap on the 18th. I asked Steve Brooks at the Natural History Museum what it was and he identified it as Ephemera lineatus, though I think it was a close tie between that and E. vulgata. Ephemera lineatus is only found on the Thames and the Wye! I have a couple of other notes on it but not with me at the moment.
I also asked him about the two adult stages of mayflies; when they first emerge as adults they are in the sub-imago stage. They will hang about like this for a while depending on weather conditions; when it is right for mating (not windy and rainy, so they can form swarms) they will moult again into the imago stage which has lighter wings. The sub imago has thicker wings and darker veination as it has both sets of wings for each stage, they peel back one set to reveal the second for the imago stage.
David Harvey
Posts : 5381 Join date : 2010-01-21 Age : 109 Location : Surrey,
I took about around 40 at a time and transferred between the buckets. Measured what I could so the bigger ones and a some samples. Best to also ring around for help if you can. I am always around and Keith, guess also could ask a lockey if they are free.
cheers for offer Neil, but the jack and me wood like some off the action, as I have only got 3 eels to me name plus I need the X-or-size, me trousers have shrunk abit in the last wash:oops:
somethink for "IN THE NET" our very own local fishing program, on Brooklands Radio, internet only, by Terry Peters, 1230hrs every Friday, sponsored by XBAITS.co.uk, Shepperton, your local bait shop for all your baiting needs,
ps
they don't do maggots yet
pps
this week is competition time, I think, enter and you might win, not sure wot thou
David Harvey
Posts : 5381 Join date : 2010-01-21 Age : 109 Location : Surrey,