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Possible Substitute for Pier-Tech 2 Telescope Pier?

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#1 rlsten

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Posted 12 August 2019 - 09:26 AM

I have been searching for a remote controlled, height-adjustable pier for a small, fully automated Roll-Off-Roof Observatory based on the Suncast shed (as described in this excellent post) that I am planning for EAA in my backyard using a Celestron 8" EdgeHD. 

 

The Pier-Tech 2 will obviously do the job, but it costs many $$$. I see from this post (https://www.cloudyni...r-tech-2-clone/) that the Pier-Tech 2 is based on the Linak DL2 lifting column, but unfortunately Linak doesn't sell directly to consumers.

 

So after looking around for other lifting columns, I came across this from Progressive Desk for $320.

FLT-11_1512x.jpg .

 

It has an approximately an 11-1/2" square top, and claims to support 225 lbs. It can be raised from 22" to 38.5".

 

I have a Starizona Pier Adapter that attaches to the Evolution mount and that can be affixed to a normal pier with three 1/2" bolts. I hope that I will be able to either alter the bottom plate of the pier adapter or the Lifting Column top plate to attach the mount.

 

Does this seem like a viable alternative as a height-adjustable pier? Can anyone think of any reasons why this would not work (assuming I can figure out how to attach the mount to the Lifting Column)?

 

Thanks very much for all your help!

Rod



#2 dandra

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Posted 12 August 2019 - 09:50 AM

I have one of these: boat lift. You'll need a 12V DC power supply with sufficient amps and you'll need to wire it and the Linak lift to a DP/DT switch (easy, Google it). Works very well!



#3 rlsten

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Posted 12 August 2019 - 11:38 AM

I have one of these: boat lift. You'll need a 12V DC power supply with sufficient amps and you'll need to wire it and the Linak lift to a DP/DT switch (easy, Google it). Works very well!

That's great that you are using that! You know, I saw that very same unit, but I couldn't tell if it had a control box or whatever that was needed to lift and lower it. Does this have controls to raise and lower it, and all I have to add is a power source and of/off switch? Or does the switch you added control the raising and lowering?

 

Sorry if I'm being dense about thisconfused1.gif

 

May I also ask what telescope you have attached to it, and how you did it?

 

Thanks very much,

Rod



#4 dandra

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Posted 12 August 2019 - 12:46 PM

It comes no controls or power source. It only has two wires (+/-) for 12V DC power. Moving up/down is done simply by swapping the polarity of the wires. That's where the switch comes in. The DP/DT rocker switch will swap the polarity (i.e. reverse wiring) making control very simple. I purchased the power supply, switch, and additional wiring on Amazon. 

 

I have a SW Esprit 120 on a Paramount MX+. I had to modify the Linak unit by drilling into the top plate so as to align holes. The base is anchored into concrete with threaded rod.



#5 rlsten

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Posted 13 August 2019 - 11:46 AM

It comes no controls or power source. It only has two wires (+/-) for 12V DC power. Moving up/down is done simply by swapping the polarity of the wires. That's where the switch comes in. The DP/DT rocker switch will swap the polarity (i.e. reverse wiring) making control very simple. I purchased the power supply, switch, and additional wiring on Amazon. 

 

Thanks very much! I think I get it.

 

Sorry to trouble you some more, but would this work as a power supply: LEDMO Power Supply, Transformers,LED Adapter, 12V, 5A Max, 60 Watt Max, for LED Strip, and this for a switch: Baomain Momentary 6 Pin DPDT Button On/Off/On Rocker Switch AC 250V/10A 125V/15A Black Plastic?



#6 lambermo

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Posted 18 August 2019 - 09:55 AM

Just adding my lifting column expieriences here https://www.cloudyni...ifting-columns/

-- Hans



#7 StarAlert

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Posted 27 October 2020 - 08:50 PM

I have been searching for a remote controlled, height-adjustable pier for a small, fully automated Roll-Off-Roof Observatory based on the Suncast shed (as described in this excellent post) that I am planning for EAA in my backyard using a Celestron 8" EdgeHD. 

 

The Pier-Tech 2 will obviously do the job, but it costs many $$$. I see from this post (https://www.cloudyni...r-tech-2-clone/) that the Pier-Tech 2 is based on the Linak DL2 lifting column, but unfortunately Linak doesn't sell directly to consumers.

 

So after looking around for other lifting columns, I came across this from Progressive Desk for $320.

attachicon.gifFLT-11_1512x.jpg.

 

It has an approximately an 11-1/2" square top, and claims to support 225 lbs. It can be raised from 22" to 38.5".

 

I have a Starizona Pier Adapter that attaches to the Evolution mount and that can be affixed to a normal pier with three 1/2" bolts. I hope that I will be able to either alter the bottom plate of the pier adapter or the Lifting Column top plate to attach the mount.

 

Does this seem like a viable alternative as a height-adjustable pier? Can anyone think of any reasons why this would not work (assuming I can figure out how to attach the mount to the Lifting Column)?

 

Thanks very much for all your help!

Rod

Did you try this lifting column? 



#8 Raginar

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Posted 30 October 2020 - 12:34 PM

I have a linak pier that does the same thing. It was pretty trivial to figure out how to control it with a relay so I could control it.

There are a ton of these things on wish and other websites.


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