Wouldn't that be covered by contents insurance, where as power failure not caused by a general power cut wouldn't be?
If it has one, one of ours doesn't just a very dim red light ...
OK. B-)
A drive you potty when it's windy. I have a baby monitor in the loft to listen to the mouse traps, gets very noisy when the wind gets up...
Well you have the sensor as in something that tells you water level, just not installed it, different thing... I have the sensors to monitor the pumps heating etc here even the box but want 6" of DIN rail to mount them on.
All seems a bit complex. Float, stick, flag. Water level rises float lifts stick with flag on top.
Strangely, this (and other mixed electro-mechanical devices) had already occurred to me but been discarded as fun but too whimsical :-)
Nothing wrong with whimsical. You wouldn't need a large electromagnet to= physically hold the weight up, just hold a latch that stops the weight falling. The weight can be on the end of pivoted arm like a trafficator =
(if you remember those devices).
Making that gas (and hence stink) tight would be an issue. The relevant inspection chamber is right outside the front door.
You don't even need an electromagnet. All you need is a weight frozen to the inside of the lid of the freezer to pull the flag up :)
Andy
;>) but which flag??
sure if you really wanted any help you'd post some decent details?
good luck with it anyway ;>)
Jim K
Well, quite. It's one of the half-dozen "pottering" projects I have on the go at any one time. Finally sorted the TV aerial last weekend. Although progress has slowed even further by the need to clear the M-I-L's house.
Thanks!
Thought the idea of this mains fialure indicator was to get power restored before the freezer had defrosted. B-)
The top of the freezer will be warmest and defrost first.
The weight might also be frozen to the lid with something with a lower freezing point than water so it thaws before the food..
Owain
The top of the freezer will be warmest and defrost first.
The weight might also be frozen to the lid with something with a lower freezing point than water so it thaws before the food..
**************************************************All this does of course mean cutting through the insulation in the freezer top with enough clearance to allow the flag to move freely, but with no air access to the inside or condensation will freeze the flag to the top (although hopefully the thaw will clear this as well as releasing the weight..
Perhaps after the freezer is out of warranty?
eh? you aren't keeping up - there'sno feckin use having a defrosted freezer with a flag poking out the lid is there?!
you need string through the seal man and continue to use the external flag pole mentioned up thread. with necessary pulleys etc - shouldn't take you long.
Jim K
Maybe.
I can't think of anything that freezes between 0C and -15C ... so that might be a slight snag. Salt solution of correct proportion?
No need for a hole, the object inside is a rare earth magnet the end of the flag string is attached to a bit of iron and held by the magnet until the salt solution thaws and the magnet drops away. Need a non magnetic freezer lid of course and careful adjustment on test of the attraction between the bit of iron and the weight of the magnet.
how will a bit of iron now lying on top of a freezer lid raise a flag up a pole?
if the flag raising mechanism is to be sprung (see point above) that could be a helluva =A3=A3 RE magnet....
Jim K
The string runs up to a pulley and across to another and then to the base of the flag pole, running up the flag pole to a pulley at the top back down to the flag. Weight is attached to first span to lift the iron off the freezer lid when the magnet drops. Makes the AOT easier as one can balance the attractive force with the weight.
Whimsical is fun. B-)
indeed, Wilf Lunn is go ;>)
altho in your scheme the RE magnet will be holding up that weight too - so will still be =A3=A3=A3 and large?
Jim K
Hold flag to top (outside) of freezer by strong (but heavy) magnet frozen to to top (inside) freezer. When magnet is thawed it drops, causing flag to release.
Wilf's stuff was good but if *anything* of his involved something going =
bang the sensible members of the crew left the studio...
No the weight of the iron will be just over balanced by the suspended weight. So the RE magnet only needs to provide minimal attractive force =
to the iron.
Great Egg Race then?
mmm but will that bit of iron have enough mass to pull the flag up presumably 6ft? whilst its only say 2'6" off floor next to freezer (allowing for a bit o sag in the string?)
Jim K
Doesn't need to. It only needs to operate a trigger. Another weight can then pull the flag up :)
Andy
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