date:20210326

[RE-wrenches] Deep well pumping

2021-03-26 Thread frenergy


Hey Folks,

            Why am I having such a difficult time finding a Grundfos 
distributor that can help me with a pump design for a new well?  Their 
website seems clunky for getting info  Static at 25 feet, drilled to 340 
feet to hit 30+ GPM.  We would like to have 25 GPM at 40 psi, pump set 
at 300 ft, dynamic water level is 175 feet.  Does Grundfos have a pump 
for this application?


Thanks

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net


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[RE-wrenches] 2-5kw wind machines

2021-03-26 Thread jay

HI All,

Any advice or recommendations for battery based 2-5kw wind machines?

thanks

jay

peltz power
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[RE-wrenches] Batteries and Working Spaces

2021-03-26 Thread Jason Szumlanski

I am planning a battery backup system using Fortress 18.5kWh eVaults. Due
to flood level requirements, these are going to need to be mounted about 48
inches above the garage floor on a shelf/platform. That puts the tops of
the battery cabinets well above 6'7". But I believe that these do not fall
under the working space requirements of NEC 110.26 since they are not
likely to require maintenance. In fact, could these be mounted even higher,
say way up near the 14' ceiling (subject to manufacturer spacing
requirements)?

Can anyone see any code problems with this approach, putting aside the
practical problems with mounting heavy battery cabinets well above grade?

Jason Szumlanski
Florida Solar Desing Group
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[RE-wrenches] 54-Cell Solar Modules

2021-03-26 Thread Jason Szumlanski

I'm looking for two 54-cell modules, highest power possible, for a mobile
solar project requiring modules under 61 inches long. If you know where I
can get these, please let me know off-list.

Jason Szumlanski
Florida Solar Design Group
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Re: [RE-wrenches] Deep well pumping

2021-03-26 Thread Kevin Pegg

I use some older software from Grundfos called WinCAPS v 7.8 for pump sizing. 
It works well. I am only focused on the SQFlex systems, so have not used the 
other modules but believe it will do the calculations you wish. You may be able 
to find that software online to download. If not, I could try and locate the 
original installation CD or run the sizing for you. 

Kevin Pegg
EA Energy Alternatives Ltd. 
37471 Hwy 16 E
Telkwa, BC  V0J 2X2
250-846-9888
Http://www.EnergyAlternatives.ca 




-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of frenergy
Sent: March-26-21 12:39 PM
To: re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Deep well pumping

Hey Folks,

             Why am I having such a difficult time finding a Grundfos 
distributor that can help me with a pump design for a new well?  Their website 
seems clunky for getting info  Static at 25 feet, drilled to 340 feet to hit 
30+ GPM.  We would like to have 25 GPM at 40 psi, pump set at 300 ft, dynamic 
water level is 175 feet.  Does Grundfos have a pump for this application?

Thanks

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net


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[RE-wrenches] Converting a old Troybuilt Roto tiller

2021-03-26 Thread Dana Orzel

Hey All wise ones,

 

I have an old B&S gas powered Troy Built Roto tiller that the safety
switches are years past available. I would like to convert this monster to
electric drive.

Any suggestions or anyone know of someone who has done this?

 

I hate to reinvent the wheel if someone has this idea dialed in or a kit? I
just want to get it done.

 

Thanks in advance & if this is an off the topic thing please reply  off the
list.

 

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

P Please consider the environment before printing this email.

 

 

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Re: [RE-wrenches] Converting a old Troybuilt Roto tiller

2021-03-26 Thread Ray

I recall seeing something like that in an old Home Power magazine 
article.  I've done a few odd ball conversions, and that seems like a 
good one to play with.  Its not a "daily driver", not going long 
distances or long hours, weight isn't a huge issue, and so lead acid 
batteries might not be out of the question.  Constant speed too, so you 
might not need a super PWM controller.  I'd consider something in the 12 
to 24 v range, and just go old school with a heavy duty knife switch or 
over sized relay.  If you start it with the tines in the air, it 
shouldn't have a big starting surge.


Or you could go 21st century, with 48v, Li+ PWM controller, etc  
Another option to consider is using existing Li+ battery packs, like 
Ryobi's 40 v lawn mower packs.


Ray Walters
Remote Solar
303 505-8760

On 3/26/21 5:32 PM, Dana Orzel wrote:


Hey All wise ones,

I have an old B&S gas powered Troy Built Roto tiller that the safety 
switches are years past available. I would like to convert this 
monster to electric drive.


Any suggestions or anyone know of someone who has done this?

I hate to reinvent the wheel if someone has this idea dialed in or a 
kit? I just want to get it done.


Thanks in advance & if this is an off the topic thing please reply  
off the list.


Dana Orzel  Great Solar Works, Inc.

*C - 208.721.7003   d...@solarwork.com*

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136 www.greatsolarworks.com 



_"Responsible Technologies for Responsible People since 1988" ___

*P*Please consider the environment before printing this email.


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Re: [RE-wrenches] Batteries and Working Spaces

2021-03-26 Thread Chris Sparadeo

Hi Jason,

There is a 250A breaker located inside a compartment on the top of the
unit. Keeping that reasonably accessible would be important.

Also, just out of curiosity, how are you planning of getting these battery
cabinets onto their 4’ platform? Forklift? Ramp?

On Fri, Mar 26, 2021 at 3:40 PM Jason Szumlanski <
ja...@floridasolardesigngroup.com> wrote:

> I am planning a battery backup system using Fortress 18.5kWh eVaults. Due
> to flood level requirements, these are going to need to be mounted about 48
> inches above the garage floor on a shelf/platform. That puts the tops of
> the battery cabinets well above 6'7". But I believe that these do not fall
> under the working space requirements of NEC 110.26 since they are not
> likely to require maintenance. In fact, could these be mounted even higher,
> say way up near the 14' ceiling (subject to manufacturer spacing
> requirements)?
>
> Can anyone see any code problems with this approach, putting aside the
> practical problems with mounting heavy battery cabinets well above grade?
>
> Jason Szumlanski
> Florida Solar Desing Group
>
>
>
>
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>
> --

*Chris Sparadeo*

*NABCEP Certified PV Installation Professional **® **# 042919-015652*

*NABCEP Certified PV System Inspector **®** # 052920-015652 *

Catamount Solar, LLC

4 Randolph Ave., Randolph, VT 05060

C_(802) 369-4458

O_(802) 728-3600

www.CatamountSolar.com 
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Re: [RE-wrenches] Batteries and Working Spaces

2021-03-26 Thread Dave Angelini Offgrid Solar



Earthquake safety requirements in CA. Probably not an issue in Florida.
Ask your building department!  

Dave Angelini Offgrid Solar
"we go where
powerlines don't"
http://members.sti.net/offgridsolar/ [1]
e-mail
offgridso...@sti.net [2]
text 209 813 0060

On Fri, 26 Mar 2021 19:08:18
-0400, Chris Sparadeo  wrote:  Hi Jason,   There is a 250A breaker located
inside a compartment on the top of the unit. Keeping that reasonably
accessible would be important.Also, just out of curiosity, how are you
planning of getting these battery cabinets onto their 4' platform?
Forklift? Ramp?  
  On Fri, Mar 26, 2021 at 3:40 PM Jason Szumlanski 
wrote: I am planning a battery backup system using Fortress 18.5kWh
eVaults. Due to flood level requirements, these are going to need to be
mounted about 48 inches above the garage floor on a shelf/platform. That
puts the tops of the battery cabinets well above 6'7". But I believe that
these do not fall under the working space requirements of NEC 110.26 since
they are not likely to require maintenance. In fact, could these be mounted
even higher, say way up near the 14' ceiling (subject to manufacturer
spacing requirements)?Can anyone see any code problems with this
approach, putting aside the practical problems with mounting heavy battery
cabinets well above grade?   Jason Szumlanski Florida Solar Desing Group   
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 List rules ">_Chris Sparadeo_ 

_NABCEP CERTIFIED PV INSTALLATION
PROFESSIONAL __(R) __# 042919-015652_ 

_NABCEP CERTIFIED PV SYSTEM
INSPECTOR __(R)__ # 052920-015652 _ 

Catamount Solar, LLC 

4 Randolph
Ave., Randolph, VT 05060 

C_(802) 369-4458 

O_(802) 728-3600


www.CatamountSolar.com [10] 

  

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[RE-wrenches] Deep well pumping

[RE-wrenches] 2-5kw wind machines

[RE-wrenches] Batteries and Working Spaces

[RE-wrenches] 54-Cell Solar Modules

Re: [RE-wrenches] Deep well pumping

[RE-wrenches] Converting a old Troybuilt Roto tiller

Re: [RE-wrenches] Converting a old Troybuilt Roto tiller

Re: [RE-wrenches] Batteries and Working Spaces

Re: [RE-wrenches] Batteries and Working Spaces

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