First off thanks for all the information and advice that I've absorbed from this forum over the last year, this really is a great place to gain brewing knowledge.
Sooo after around 9 kit brews I thought it was time to upgrade to all-grain, with a 40L buffalo boiler, and a sheet of voile I got to work, here's how it went on Sunday, I was quite relaxed after studying the many threads on here, so much so that at the last minute I threw together a IC the day before... even so it didn't go as smoothly as I would have liked, lots to improve I think.
I choose the Hoegaarden clone that's been talked about on these forums a lot:
23l brewlength
2000g lager malt
2000g flaked (unmalted) wheat
1000g wheat malt
500g porridge oats
30g Saaz - full boil
x5 Sainsburys unwaxed organic orange zest (82g) - 15 minutes - (That’s all the zest from x5 oranges, as didn't want to put the whole fruit in, I wanted to eat them!
11g crushed coriander seeds - 15 minutes
20g Bobek - flameout steep
Safbrew WB-06 Yeast
My brew-day notes as I figure some of this will be of interest to those who are getting into this for the first time:
Timings:
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10:45 Fill boiler from cold tap via a FV, up to 30cm, added 1/2 crushed campden, set thermo to 70c
11:30 - 52c
11:45 - 70c
11:50 - mash in @ 70c, dropped to 68c, added boiler insulation (wicks boiler lagging £3 bargain), lid on
12:20 - Stirred, temp 67.5c
01:00 - Stirred, temp 65c
01:20 - (90 min mash), temp 64c start mashout raise heat to 75c, set thermo to 80c, keep stirring
01:30 - 75c, mashout hold for 10mins, stirring all time, lots of grain into wort as bag slipped
01:40 - Mashout done, bag out, SG @ 75 is 1.000
02:10 - Boil started, bag in bucket wort added, 29cm depth pre-boil, (spot on the biabbrewer excel calc), hop bag of saaz added
03:25 - 15min mark - 11.5cm from top. IC in, cori & oranges added in hop bags
03:40 - boiler off, added Bobek in hop bag, IC started, 13cm from top without chiller
pre-boil sample now at 20c =1.038
03:50 - chiller off (into town to pickup SWMBO)
04:15 - chiller back on
04:45 - 28c
05:25 - Into Fv through sieve, nice froth, SG @ 22c 1046
06:45 - Clean up complete - boiled water to clean buffalo.
Pictures:
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Cori:

Oranges:


It took, the buffalo 1 hour to get from cold tap water temp upto 70c, I used time to prep ingredients.


very close to top for mash - around 1cm
temp dropped 2c when doughing-in, room temp grain.

(I'm waiting from my proper BIAB bag to arrive, so I used a sheet of voile pegged to the top with clothes pegs, although this meant I could brew, I couldn't properly close the lid, there was a 3cm gap, I covered it with insulation, but I think this caused 4c drop over the 90mins, next time, a properly closed lid should improve things
First FAIL - The pegged sheet slipped as i was stirring whilst mashing out, causing lots of grain to spill into wort, I used a seive to fish this out as wort came up to boiling, I think I got most of it...

It took 10mins to get from 64c to 75c for mash out
and then 30mins to get from 75c to boiling

Bag draining, tied to door handle:

Scumy:

Nice rolling boil, the buffalo performed perfectly:

40mins chilling to get to 28c, maybe 1hour to get to 20c hard to tell as dinner interfered.

My cheapo IC worked quite well, (10m of 10mm copper and jubilee clips from wicks + old hosepipe) I need to add quick disconnects though as storing the copper and 20m of hose isn't great!
I emptied using the standard tap, no filter yet, dropped through a sieve to get lots of air into it, lots of break came through, although on the plus side I collected almost 6 gallons:

Final gravity from post boil sample:

More pictures here: http://imageshack.us/g/98/img9956preboilat20oc.jpg/
All in all I was fairly pleased with how it went, my notes to improve things next time:
Use hot water to fill the boiler/or set on timer
using clothes pegs mean gaps at top - means looses heat when mashing.
Over squeezing single sheet voile caused some small rip holes - glad I found that out before doing it with my proper bag.
IC - the coil was too short i height- cold at bottom hot at top of wort, when cooling, I've since stretched it upwards more.
The wet bag is heavy/I'm a weakling - thinking a pully is the way to go.
Lots of break material, I think I NEED a hop-stopper, hoping to fashion something I can jam over the internal plastic thread, as I don't want to shell out for the tools and parts for a tap replacement, any super-cheap suggestions?