20x20mm fans

[tiffer]

I think he is on about this one, doesn't look very small, guess I need to goto the shop and see for myself.

http://www.maplin.co.uk/Module.aspx?ModuleNo=105034&C=AffilWin81331&T=_14458051&platform=cs&clickref=swinDOTcom

Sorry busy today.
That's them they are 17mm x 17mm,the picture is not to scale
I fitted one yseterday to my Vforce profilers and my son tried them today.
Got them misted on purpose and they cleared well.
Running it off of a 9v battery,prolly kill the fan in the end but you don't run 'em all the time.
The 9v box is here--->ok....

 

[tiffer]

Drill the 3 fan corner holes out to 2.5mm.
Use 2.5mm cable ties to fasten the fan.
No need to cut any of the fan,the air jet will permeate the louvreseek.
I may try a 4 xAAA battery holder to enable 6V instead of nine.
If you want I can post some pics on tuesday.
The 9v case sits at the side of the mask cable-tied again.

 

[Tom Allen]

tiffer are you a bt engineer by any chance...

 

[tiffer]

No I oversee the transportation of chocolate......

 

[Tom Allen]

No I oversee the transportation of chocolate......

Lucky *******...

 

[JamieLee2k]

You can post up the guide up, that would be cool. I am gonna look into getting a switch in order to turn it off and on

 

[tiffer]

You can post up the guide up, that would be cool. I am gonna look into getting a switch in order to turn it off and on

What as well as the one that is fitted to the 9v box??

 

[tiffer]

Went to Maplins to find an alternative power supply.
I eneded up buying a resistor to bring the 9V to 5V.
Soldered in-line on the live to/from the battery.
The pictures show the components;
Fan=17mm x 17mm A25GU@£4.99.
Battery box=L90AN@ £1.29.
Resistor=M51R@£0.15(worked out as a 50 ohm which they don't stock,51 is ok).
Of course you need solder,heat shrink,cable ties(2.5mm),drill bit 2.5mm.
I'll do step by step pictoral breakdown later in the week(after I've finished nights),it is very easy.

Fan,box and resistor.
Resistor.....

 

[nat]

Silly question,but does the fan blow into the mask or out??which is best?

 

[tiffer]

The way I've set it it blows in,but there's nothing stopping you running 2,1 out and 1 in.
I know the JT fans have a single fan with a two way switch which sucks or blows