[NSRCA-discussion] Electric pattern recommended equipment

Mon Sep 8 13:00:58 AKDT 2008

Chris - I submitted a description of my airplane, but I'm afraid that  
you might have three different versions parked on the website.  I  
kept finding changes I wanted to make after I submitted a version.   
Please delete all but the last one.  Thanks.

Ron

On Sep 8, 2008, at 1:06 PM, chris moon wrote:

> Anthony.
> Your question is exactly why I started the web site. There is no  
> single
> place to find the large amount of data that exists on battery and  
> motor
> longevity and performance. Everyone has their personal data and
> experiences but unless you contact everyone flying electrics, you  
> won't
> be able to get a large enough sample of data to draw valid  
> conclusions.
> As far as batteries, I think you will find answers all over the board.
> I know of some who have only had good performance from a set of
> batteries for 20-30 cycles and others who have 200+ cycles on the same
> type of batteries. What I am trying to do is see if the 20-30  
> cycles is
> the norm, or is the 200 correct, or is the average somewhere in the
> middle. Only a large enough sample will tell, and hopefully that will
> happen. I know that many/most/ of the really low cycle life packs were
> caused by mfg defects and were subsequently replaced by the mfg.
> As far as the Flight Power F3A packs, the consensus is that they are
> really strong for maybe 50 flights, then degrade quickly and the  
> average
> cycle life is probably 100 or less. I consider a pack run out if it
> can't provide adequate power for normal contest flight. Not completely
> dead, just too weak for a contest flight. For example, my Flight Power
> F3A pack has 110 cycles and I consider it too weak now for a contest
> flight. On the other hand, I have 2 sets of TP 5300 ProLites with 150+
> cycles each and fly them regularly with good performance still.
> Remember that the user has ultimate control over how well things work
> over time. We can all list people who could never get glow motor  
> XYZ to
> run well while others have stellar performance over a long period of
> time. Same for electrics. Everyone will agree that there is a definite
> learning curve to electrics and the best way to ensure success at  
> first
> is to copy a setup and charging regimen that has been used by others
> with success over time.
>
> Chris
>
>
> Anthony Abdullah wrote:
> > I was looking at the site and noticed how quickly / few cycles it  
> takes for lipo performance to start to degrade (20-30 cycles in  
> some cases). Is the "premature" degradation on the site just a  
> function of a small sample or does performance on average start to  
> decrease in as few cycles?
> >
> > What is the average number of cycles others are seeing with F3A  
> lipo packs before they start to lose capacity?
> >
> >
> > --- On Sun, 9/7/08, JEREMY CHINN wrote:
> >
> >
> >> From: JEREMY CHINN
> >> Subject: Re: [NSRCA-discussion] Electric pattern recommended  
> equipment
> >> To: "General pattern discussion"
> >> Date: Sunday, September 7, 2008, 6:55 PM
> >> Chris Moon took the time to put up the new site
> >>
> >> http://www.electric-f3a.com/
> >>
> >> Lots of great information to be had there.> Date: Sun,
> >> 7 Sep 2008 17:30:52 -0500> From:
> >> glmiller3 at suddenlink.net> To: aabdu at sbcglobal.net;
> >> nsrca-discussion at lists.nsrca.org> Subject: Re:
> >> [NSRCA-discussion] Electric pattern recommended
> >> equipment>> Anthony,>> I've used the Axi
> >> 5330 F3A and the Dualsky 11T with very good results from
> >> both. I think the AXI is a little stronger, but both are
> >> plenty powerful. I usually run them with a 20X15 APC prop.
> >> The CC85 and Jeti 99 spin controllers are both very good and
> >> reliable. I prefer the Spin's myself, but I've used
> >> both.>> For batteries, I prefer the Flightpower 5350
> >> F3A packs....these have more capacity for their weight than
> >> the higher discharge capacity packs - You don't need the
> >> "C" rating, you need the "mah" rating-
> >> my perspective anyway. The True battery 5000 ma packs are OK
> >> for practice, but their availablity is spotty and they seem
> >> to have differing dimensions between different
> >> "lots".>> There is a new website the has
> >> been started to collate various electric combo's--
> >> I'm sure someone here will give the url shortly.>
> >>
> >>> G> ---- Anthony Abdullah
> >>>
> >> wrote:>> =============> Hello everyone,> I
> >> have decided that my next pattern plane / build will be
> >> electric and I am doing my preliminary research before
> >> starting to buy equipment (motor, ESC, batteries, prop,
> >> E-motor mount) and could really use some help.>> My
> >> goal for my first foray into electrics is to put together
> >> proven reliable equipment that works and performs well as
> >> complimentary components. I don't know as much about
> >> electrics as I will need to, but I am sure that I will be
> >> learning a lot as I go along. My expectations are that I
> >> will be using a Lipo 10S pack of at least 5000 mah (will
> >> this be enough?). I have often seen that people use the
> >> Hacker C50 motors but also see a lot of other engines by
> >> other manufacturers.>> Requirements:> 1. I do not
> >> want to use a gear box so I will need a motor capable of
> >> direct drive> 2. I want equipment where the components
> >> will all work well together> 3. weight is always an
> >> issue> 4. price is a consideration but third behind
> >> reliability and performance>> I will be flying
> >> advanced with the new airplane which will be purpose built
> >> as an electric. If there is a website or other source of
> >> useful information on electrics, I would like that as well.
> >>
> >>>> Thanks in advance> Anthony>>
> >>>>
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