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Invisiblerammbler
El primo de losmatador
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Registered: 05/17/05
Posts: 82
Timer mods
    #4235268 - 05/30/05 02:48 AM (11 years, 6 months ago)

Does anyone know how to mod this timer its the one in the middle(sorry about the pic its the only one I could find). It is set up to spin once every 24 hrs and you are able to turn on and off every 30 mins i would like to cut that time on in half any suggestions would be much appreciated thanks


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"Fuck'em if they can't take a joke" BOB


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Invisiblerammbler
El primo de losmatador
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Registered: 05/17/05
Posts: 82
Re: Timer mods [Re: rammbler]
    #4235276 - 05/30/05 02:50 AM (11 years, 6 months ago)

well I cant get the pi c to come up but it is a timex timer with the tabs that you push up and down to determine wether or not its on or not.


--------------------
"Fuck'em if they can't take a joke" BOB


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InvisibleArp
roving mycophagist
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Registered: 04/20/98
Posts: 2,191
Loc: in a van by the river
Re: Timer mods [Re: rammbler]
    #4235453 - 05/30/05 04:02 AM (11 years, 6 months ago)

if its a mechanical timer then open it up and see how the gears spin.
I have opened up three different timers and they all have their
gears in different ways. One of them I modified by removing a gear
and glueing two together. Some might be more difficult as they do
not place the gears in a way that allows this.

You can calculate the new spinning time by timing the gears.


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InvisibleArp
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Registered: 04/20/98
Posts: 2,191
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Re: Timer mods [Re: Arp]
    #4235529 - 05/30/05 04:24 AM (11 years, 6 months ago)

Hey I just opened up another square-shaped timer (those smaller ones)and it has its gear put well to be modified.
The gears that one wants to play with are inside a small transparent box.

Seems like the bigger ones (which I have opened up two versions of) are more difficult.

good

bad


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InvisibleArp
roving mycophagist
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Registered: 04/20/98
Posts: 2,191
Loc: in a van by the river
Re: Timer mods [Re: Arp]
    #4235631 - 05/30/05 04:59 AM (11 years, 6 months ago)

After inspecting this other square*-shaped timer it seems like you
shouldnt remove a gear, one has to have its teeths filed down
alittle and two wheels glued together.


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InvisibleArp
roving mycophagist
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Registered: 04/20/98
Posts: 2,191
Loc: in a van by the river
Re: Timer mods [Re: Arp]
    #4235767 - 05/30/05 05:53 AM (11 years, 6 months ago)

On one side of the wheels you want to glue/file/remove there is a
miniwheel with a plastic thingie underneath.
Make sure that you don't modify so it messes with its function.
I belive it has something to do with keeping everything spinning properly.


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InvisibleArp
roving mycophagist
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Registered: 04/20/98
Posts: 2,191
Loc: in a van by the river
Re: Timer mods [Re: Arp]
    #4235873 - 05/30/05 07:44 AM (11 years, 6 months ago)

took some pictures :smile:



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OfflineWronguy
Registered: 03/05/05
Posts: 4,450
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Trusted Cultivator
Re: Timer mods [Re: Arp]
    #4236075 - 05/30/05 11:12 AM (11 years, 6 months ago)

Dump that timer and pick up the Intermatic 500 Watt 120 Volt AC Heavy-Duty PadDigital Timer Model DT17C from Home Depot for $19.95. This timer allows for 14 on/off cycles per day or 96 on/off per week. Every Home Depot should carry this model.


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InvisibleMasFina
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Registered: 05/08/06
Posts: 788
Loc: Mountains
Re: Timer modification [Re: Arp]
    #6814670 - 04/21/07 03:09 AM (9 years, 7 months ago)

Yes, I know this is from '05. Who cares, this is very useful. Look at Arp's posts. I did a mod on a timer with a similar gear structure based only on that post with the pics and it worked great. It made my 24hr/15min interval timer a 1hr/30sec interval timer approximately. This will probably take you between 30mins to an hour because you need to think about how the gears spin and have VERY steady hands. I think I glued the third fastest gear to the gear above it so that it would spin the gear that spins the face of the timer(confusing, but you'll understand later). Make sure you glue the right gears together, can't undo that very easily. You will need a pair of tweezers, some super glue, and whatever you need to unscrew the thing apart. Mine had tiny philips head screws that I used a small flathead screwdriver on. Take it apart very carefully and slowly so parts don't go flying. Also, remember where everything goes before you start dissasembling gears and stuff or you may not figure out how to reasemble it. Also, be careful not to superglue the gears to the post when you are glueing them to eachother. If you atempt this and have questions, feel free to ask. Pictures are helpful. Good Luck.

PS, be careful with that little mini wheel arp speaks of. It comes apart in three extremely tiny parts on mine and is difficult to realign. That's the part where you really need tweezers and to pay attention to how it was set up before taking off the plastic cover.

Last thing, there was an instructions sticker over one of the screw hole on the back of mine. Look for that before being breaking it thinking you've taken out all the screws.


--------------------
A Good Substrate: Poo With Extras
Good Liquid Culture, Step by Step
Timer Modification
PM me if you are interested in buying 140ml syringes. $6 each + $7 shipping


Edited by MasFina (04/21/07 01:10 PM)


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InvisibleMasFina
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Registered: 05/08/06
Posts: 788
Loc: Mountains
Re: Timer modification [Re: MasFina]
    #6814761 - 04/21/07 04:27 AM (9 years, 7 months ago)

To add some clarification I will describe what needs to be done to the gears in Arp's picture so you will know what to do with yours. You will need one of the square timers as pictured above.

First, those little in-between gears are connected (therefore spinning at the same speed as) to the larger gears below them.

Second, the gear at the bottom spins fastest and each subsequent gear spins slower and slower.

You will need to remove that clear plastic cover before proceeding. Before doing this though, notice the tiny gear to the back left of the main left gear post (hard to see here). That will probably come off and come apart when you take off the cover so look at how it is configured before removing the cover. My cover had a little clip that I had to push on with a small, flathead screwdriver while I pulled on the cover.

In this pic, it looks like the top gear (narrow but long one) is the gear that will be spinning the faceplate. This is the gear who's speed you need to focus on.

Since he's glueing the 2nd and 4th large gears (from bottom)together this means that the top gear will be spinning at the speed of the 2nd large gear. I used the third large gear (mine was 15min intervals). This is probably a 30min interval one.

Once the cover is removed you can remove both pins.

The third large gear from the bottom is useless now. It needs to be removed rather than filing down the small, connected gear on top of it.

To glue together the 2nd and 4th large gears, just ad 2 dabs of super glue (using a pin, not the tip of the glue dispenser)on opposite top edges of the tiny gear on top of the 2nd large gear.Be careful not to get it near the hole where it can bond to the post. Put it back on the post and hold the two gears together for 15 seconds. slide them a little in case a little glue got on the post.

Reassemble and you're good.



--------------------
A Good Substrate: Poo With Extras
Good Liquid Culture, Step by Step
Timer Modification
PM me if you are interested in buying 140ml syringes. $6 each + $7 shipping


Edited by MasFina (04/23/07 09:38 AM)


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InvisibleMasFina
Snow Shredder
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Registered: 05/08/06
Posts: 788
Loc: Mountains
Re: Timer modification [Re: MasFina]
    #6822122 - 04/23/07 09:26 AM (9 years, 7 months ago)

Running the Ultra 30ish seconds 2-3 times an hour with a CoolMist running constantly gives the greenhouse damn neaar perfect humidity. That's with a room humidity of 35%.


--------------------
A Good Substrate: Poo With Extras
Good Liquid Culture, Step by Step
Timer Modification
PM me if you are interested in buying 140ml syringes. $6 each + $7 shipping


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OfflineBacchus
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Re: Timer modification [Re: MasFina]
    #6933319 - 05/18/07 05:36 AM (9 years, 6 months ago)

shit. wrong tab.


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Living on a no-Flash diet is way easier than you think. Give it a shot.


Edited by Bacchus (05/18/07 05:37 AM)


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