Important notice
Please remember that people from all over the world read and post on this forum, and that every country has its own rules, regulations and standards. This forum is based in the USA and so much of the information posted here is for the benefit of people who operate aircraft in the experimental/exhibition or experimental/racing categories. Advice given on this forum may be region specific. A person from Europe, for example, may make suggestions perfectly appropriate for a U.S reader, although not acceptable in his home country!

Please take this into account and carefully consult the authorities, standards and approved documentation where you fly.
Fournier Forums Upload picture | User Cp  |  Register  |  Members  |  Search  |  Help
    |- Fournier Aircraft > Parts Post New Topic   Post A Reply
Super-light batteries printer friendly version
next newest post | next oldest post
Author Messages
dannparks
Sergeant Major

Gender: Male
Location: Parkside Airpark, Battle Ground, WA
Registered: Oct 2006
Status: Offline
Posts: 391

Click here to see the profile for dannparks Visit https://picasaweb.google.com/111628310900713778468/RF4D_N2188?noredirect=1 Send email to dannparks Send private message to dannparks Find more posts by dannparks Edit or delete this message Reply w/Quote
Posted Wednesday, September 26, 2012 @ 12:50 PM  

Someone just sent me a link to these batteries. The power of a large aero battery but only 2 lbs.!

http://aerovoltz.com/

Does anyone have any other information of experience with them?

--------------------
Dann Parks • RF4D #4051 N2188 • now flying!
Pictures at: https://picasaweb.google.com/111628310900713778468/RF4D_N2188?noredirect=1

jb92563
Second Lieutenant

Gender: Male
Location: Lake Elsinore, CA, USA
Registered: Mar 2007
Status: Offline
Posts: 583

Click here to see the profile for jb92563 Visit http://picasaweb.google.com/jb92563 Send email to jb92563 Send private message to jb92563 Find more posts by jb92563 Edit or delete this message Reply w/Quote
Posted Monday, October 8, 2012 @ 12:11 PM  

They are also "Dry" cell technology same as the Odessy brand I have been using extensively.

I imagine they are similar.

High power density means the battery can be smaller for the same output.

I highly recommend this technology battery, light weight, lots of cranking power and do not die when run flat like typical lead acids.

I have an Odessy in the Fournier that is 11lbs. It cost about $130 shipped, online at BatteryMart.com

--------------------
Ray
RF4D #4057 N-1771 Rectimo 1400cc
http://picasaweb.google.com/jb92563/FournierRF4D
http://www.touringmotorgliders.org

dannparks
Sergeant Major

Gender: Male
Location: Parkside Airpark, Battle Ground, WA
Registered: Oct 2006
Status: Offline
Posts: 391

Click here to see the profile for dannparks Visit https://picasaweb.google.com/111628310900713778468/RF4D_N2188?noredirect=1 Send email to dannparks Send private message to dannparks Find more posts by dannparks Edit or delete this message Reply w/Quote
Posted Sunday, October 14, 2012 @ 06:19 PM  

These are actually quite a bit different from the Odyssey type. Odyssey are dry, but still lead-acid. These are lithium, like cell phones, laptops, and modern electric cars. They are amazingly small and powerful. The Odyssey PC680 weighs 16 lbs. including the steel mounting tray. I replaced it with an 8-cell Aerovoltz that weighs 2 lbs. Now admittedly, the PC680 was a bit of an overkill for the Fournier, but the Aerovoltz has the same Cold Cranking Amps (275) and spins the 1600cc VW just fine. And it costs the same as the Odyssey.

It is a nice way to loose 14 lbs. of empty weight.

[Edit by dannparks on Monday, October 15, 2012 @ 04:33 PM]

--------------------
Dann Parks • RF4D #4051 N2188 • now flying!
Pictures at: https://picasaweb.google.com/111628310900713778468/RF4D_N2188?noredirect=1

Jorgen
Captain

Gender: Male
Location: Lund, Sweden
Registered: Apr 2007
Status: Offline
Posts: 833

Click here to see the profile for Jorgen Send email to Jorgen Send private message to Jorgen Find more posts by Jorgen Edit or delete this message Reply w/Quote
Posted Monday, October 15, 2012 @ 06:59 PM  

Thanks for the heads up Dann,
could I take some more advantage of your battery research? It's time to get new batteries for XST, I'm currently using two motorcycle- style lead batteries. I guess the cranking potential of a battery is not exactly what I need, but could those aerovoltz be used as long lasting batteries to power just com, ANR, GPS etc or is it better to look for other parameters? And what about charging cycles- when do they start loosing juice?

May the 4's be with you/ J๖rgen

dannparks
Sergeant Major

Gender: Male
Location: Parkside Airpark, Battle Ground, WA
Registered: Oct 2006
Status: Offline
Posts: 391

Click here to see the profile for dannparks Visit https://picasaweb.google.com/111628310900713778468/RF4D_N2188?noredirect=1 Send email to dannparks Send private message to dannparks Find more posts by dannparks Edit or delete this message Reply w/Quote
Posted Tuesday, October 16, 2012 @ 12:49 PM  

I would guess that one of the 8-cells would be all you would need if you put it on the charger after each flight. I have not seen any specific power curves, but like a laptop or cellphone, the battery would probably hold power and drop off steeply when drained. The company makes a special charger that balances the cells and keeps it topped off. I would definately go for one of these in your application. If you do try one, please post your findings.

--------------------
Dann Parks • RF4D #4051 N2188 • now flying!
Pictures at: https://picasaweb.google.com/111628310900713778468/RF4D_N2188?noredirect=1

jb92563
Second Lieutenant

Gender: Male
Location: Lake Elsinore, CA, USA
Registered: Mar 2007
Status: Offline
Posts: 583

Click here to see the profile for jb92563 Visit http://picasaweb.google.com/jb92563 Send email to jb92563 Send private message to jb92563 Find more posts by jb92563 Edit or delete this message Reply w/Quote
Posted Wednesday, October 17, 2012 @ 03:54 PM  

I was curious to see what this batteries drawbacks are and there dont seem to be any, except that some brands have lower discharge rates (Even lower than conventional Lead Acid Batteries) so you need to select the best brand.

http://en.wikipedia.org/wiki/Lithium_iron_phosphate_battery

They develop 3.3v per cell so for 12 volts system you need an 8 cell version.

I'll buy one next time I need a new battery.

Good find!

[Edit by jb92563 on Wednesday, October 17, 2012 @ 03:57 PM]

--------------------
Ray
RF4D #4057 N-1771 Rectimo 1400cc
http://picasaweb.google.com/jb92563/FournierRF4D
http://www.touringmotorgliders.org

Post New Topic   Post A Reply Jump to:
Contact Us | cfiamerica.com | Privacy Policy All times are GMT -4 Hours.
Welcome to The Fournier Forum, Guest!  
Login
Username :
Password :
In order to fully utilize the abilities of this board, you are required to register as a member. Registration is free, and allows you to do lots of things including turning on or off certain features of this board. Register now!
Forum Rules & Description
Who Can Read The Forum? Any registered user or guest
Who Can Post New Topics? Any registered user
Who Can Post Replies? Any registered user
Who Can Edit Posts? Any original author
To help find and ideas
Currently Active Users: 48
There are currently 0 members and 48 guests on the boards. | Most users ever online was 822 on 08-01-2020 10:15 PM
Search This Forum
Search Keywords: Search From:
Powered by CuteCast v2.0 BETA 2
Copyright © 2001-2003 ArtsCore Studios