Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Gene Heskett
On Sunday 15 April 2018 23:14:48 Chris Albertson wrote: > The O.P. wants to run his central A/C off this. > > This means a CONTINOUS draw of 350 amps from a 12 volt battery. > > Think about that 350 amps. This is going to be one friggin large > bank of batteries and as much as I would like to

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Gregg Eshelman via Emc-users
Some States are absolutely nuts on ground source heat pump regulations. In Idaho there's no special regulations (AFAIK) on open loop ones. Take water in (from a well or city supply) and dump it in the open, down a storm drain or into a body of water, or put it down another well. Seems rife with

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread jeremy youngs
The biggest thing to do is to reduce the power needed , as to heating and cooling gshp is the way to fly , and I'm in progress on that and it will likely be linuxcnc controlled. As to 12 volt only temporary and mobile systems should be 12 volt, that's why I'm at 48 and would go higher ify in Stock

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Chris Albertson
The O.P. wants to run his central A/C off this. This means a CONTINOUS draw of 350 amps from a 12 volt battery. Think about that 350 amps. This is going to be one friggin large bank of batteries and as much as I would like to say "go with LiPo" or some other exotic type. the COST would be

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Gene Heskett
On Sunday 15 April 2018 20:47:54 Chris Albertson wrote: > Yes, I have done this but not on a house. I used to own a sailboat. > > First off if you need to run AC you are going to need to fill your > garage with racks of batteries. > > Let's assume you have a smaller AC unit that only uses only

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Chris Albertson
Yes, I have done this but not on a house. I used to own a sailboat. First off if you need to run AC you are going to need to fill your garage with racks of batteries. Let's assume you have a smaller AC unit that only uses only 3,000 watts dn you run it with a 50% duty cycle for 12 hours. That

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Gene Heskett
On Sunday 15 April 2018 19:50:12 jeremy youngs wrote: > > In the midst of this, I would stay away from lead acid , you can > > find ev take out batteries reasonable on fleabay, I recommend nimh > > if you can find them as they require far less control than lipo . I > > have a xantrex 2 k modified

Re: [Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread jeremy youngs
> > In the midst of this, I would stay away from lead acid , you can find ev > take out batteries reasonable on fleabay, I recommend nimh if you can find > them as they require far less control than lipo . I have a xantrex 2 k > modified sine inverter that works very well and has a 100 amp 3 stage

[Emc-users] Thinking about going off-line eventually.

2018-04-15 Thread Gene Heskett
Greetings all; I see Banggood has a 500 watt wind thingy for under $200 that net folks are calling professional grade stuff. I am looking to put up an anerometer to record the wind speeds, one of those 3 cups designs that isn't direction sensitive, and one of these card computers to log what

[Emc-users] 7i43 Invalid Cookie Message

2018-04-15 Thread P.J. Marsh
What update did you do? (what version of LinuxCNC are you running) Hi Peter, thanks for answering, I think this is the identical issue that Tom also reported. I've updated both of CNC boxes to 2.7.12 of LinuxCNC. I did notice that sometimes after shutting down LinuxCNC on the PC and

Re: [Emc-users] Mesa choices

2018-04-15 Thread Gene Heskett
On Saturday 14 April 2018 22:05:25 jeremy youngs wrote: > Good day gents, probably for pcw Andy or Gene. Any pointers on > selecting mesa cards as needed? I'm looking for inexpensive and > versatile. I don't have a lot of spare funds to contribute. I have 2 fav cards, mainly because I have zero