[NSRCA-discussion] beer
Chad Northeast
chad at f3acanada.org
Mon Mar 1 18:10:17 AKST 2010
Yep Kokanee is pretty good too, we went through a lot of that in university!
If you look close there is a sasquatch or something like that on the box
in the mountains :) lol....drink a few and you can find it easier lol :)
I think any beer is good lol
Chad
On 10-03-01 7:41 PM, Dave wrote:
> Kootenay? Kokanee?? I think I spelled them correctly.....seem to be the
> beer(s) of choice for the locals when I've been skiing at Whistler in years
> past.
>
> Dave
>
>
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Chad
> Northeast
> Sent: Monday, March 01, 2010 9:34 PM
> Cc: General pattern discussion
> Subject: Re: [NSRCA-discussion] Max volts
>
> No problem :) Both of those beer are good :) Or next time you are in
> Calgary you can try something from Big Rock like grasshopper or trad :)
>
> The feature on the Schulze is called voltcontrol, and its intent is to
> do just what Dave pointed out. However its setup through the TX as I
> understand it, but I have not experimented with it yet. I have one of
> the ESC's (40.160 xl) with voltcontrol on my big Sukhoi (30%, no I am
> not flying IMAC lol) and a pletty terminator, but until I can get out to
> the field I can't test it, and running the big 24" prop in the garage
> makes way too much wind :) I ran it on 4s just to see that everything
> was hook up correctly though lol.
>
> If the weather holds up maybe I will get lucky and be able to try it out
> in a couple weeks.
>
> Chad
>
> On 10-03-01 6:43 PM, Chris wrote:
>
>> Thanks Chad. That was fast!
>>
>> I raise a Molson (actually I like Labatts Blue better) to Canada for
>> an excellent Olympics.
>>
>> Chris Moon
>>
>> Chad Northeast wrote:
>>
>>> This wheel should be greased on the new Schulze F3A controller :) Its
>>> already on the big airplane ones.
>>>
>>> Chad
>>>
>>> On 10-03-01 6:14 PM, Dave wrote:
>>>
>>>> Essentially a governor for the peak power only.with constant
>>>> "re-mapping" of the throttle curve to keep the power the same across
>>>> the throttle range. SOME people have been asking for this basic
>>>> concept as an additional programming parameter for a LONG time (I
>>>> won't admit to when I first asked for this). It would be very nice
>>>> to program max RPM (essentially a function of voltage available,
>>>> which reflects power available from the lipo) and set it for
>>>> something close to what is seen at the end of a flight on a cool day
>>>> on a "middle of the road" lipo (assuming it is performing well
>>>> enough for competition flights). THEN.all competition grade lipos
>>>> would run essentially identically for the duration of the flight. If
>>>> more people asked for this feature.the "squeaky" wheel might get
>>>> greased sooner....
>>>>
>>>> Regards,
>>>>
>>>> Dave
>>>>
>>>> ------------------------------------------------------------------------
>>>>
>
>>>>
>>>> *From:* nsrca-discussion-bounces at lists.nsrca.org
>>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Ed Alt
>>>> *Sent:* Monday, March 01, 2010 8:10 PM
>>>> *To:* nsrca-discussion at lists.nsrca.org
>>>> *Subject:* Re: [NSRCA-discussion] Max volts
>>>>
>>>> Along the lines of taking advantage of better batteries, ESC's could
>>>> compensate for packs as they flatten out. Essentially, an ESC could
>>>> be designed to automatically de-rate the battery when it is above a
>>>> prescribed level of charge. I don't really keep up with what the
>>>> various ESCs have feature-wise, but I haven't heard of this being
>>>> done yet. I don't think it would be hard either. Effectively, it's
>>>> like a built-in ATV that simply limits the pulse width at full power
>>>> when the battery is above a certain level, just as it already does
>>>> in response to throttle inputs. There's an advantage to this in that
>>>> the battery pack& wiring arrangement stays simple and that all
>>>> cells in the pack get used simultaneously. I still like Jim's
>>>> original idea, especially because it got some more thinking on the
>>>> topic going.
>>>>
>>>> Ed
>>>>
>>>> *From:* AtwoodDon at aol.com<mailto:AtwoodDon at aol.com>
>>>>
>>>> *Sent:* Monday, March 01, 2010 8:01 PM
>>>>
>>>> *To:* nsrca-discussion at lists.nsrca.org
>>>> <mailto:nsrca-discussion at lists.nsrca.org>
>>>>
>>>> *Subject:* Re: [NSRCA-discussion] Max volts
>>>>
>>>> This approach could also function as a backup RX battery. No rules
>>>> against having redundant RX power. The BEC could be programmed to
>>>> 'divert' power to the flight batteries to maintain the near max
>>>> voltage when needed.
>>>>
>>>> However, I agree with Jim, I don't see the need for this. Battery
>>>> technology has/is progressing fast enough to provide us with enough
>>>> power for our sequences. I prefer the simpler approach.
>>>>
>>>> Don
>>>>
>>>> In a message dated 3/1/2010 4:34:31 P.M. Pacific Standard Time,
>>>> ed_alt at hotmail.com writes:
>>>>
>>>> That's a good idea. I imagine it would take a little modification
>>>> to the
>>>> rule to specify how a system like this could be applied. This
>>>> could be put
>>>> together external to the speed controller and function
>>>> automatically through
>>>> active voltage sensing. Eventually the ESC mfgs could go a step
>>>> further an
>>>> just integrate this right into the controller. Slick, simple
>>>> concept Jim!
>>>>
>>>> Ed
>>>>
>>>> --------------------------------------------------
>>>> From: "James Oddino"<joddino at socal.rr.com>
>>>> Sent: Monday, March 01, 2010 7:15 PM
>>>> To: "General pattern discussion"<nsrca-discussion at lists.nsrca.org>
>>>> Subject: Re: [NSRCA-discussion] Max volts
>>>>
>>>>
>>>>> I have the functional concept that solves the rules problem.
>>>>>
>>>> Picture a
>>>>
>>>>> 10S pack positive lead wired to the common of a switch with two
>>>>>
>>>> poles, a
>>>>
>>>>> piece of wire connected from one pole to a pole on a second two pole
>>>>> switch with its common connected to the ESC. Between the other
>>>>>
>>>> two poles
>>>>
>>>>> we place our 11th cell. When the 10S pack is above 37.5 volts the
>>>>>
>>>> 11th
>>>>
>>>>> cell is bypassed and when it is below, like it will be during
>>>>>
>>>> vertical
>>>>
>>>>> maneuvers late in flight, the 11th cell is put in series to boost
>>>>>
>>>> the
>>>>
>>>>> voltage to up to 41.7 volts. At no time is the voltage over the spec.
>>>>>
>>>>> Having said that, I believe the 10S system provides adequate
>>>>>
>>>> power with
>>>>
>>>>> the right motor at all times of flight even if the voltage drops
>>>>>
>>>> to 35
>>>>
>>>>> volts.
>>>>>
>>>>> Jim
>>>>>
>>>>>
>>>>> On Mar 1, 2010, at 8:59 AM, Bob Kane wrote:
>>>>>
>>>>>
>>>>>> Going higher and regulating down would be against the rules, the
>>>>>>
>>>> max
>>>>
>>>>>> volts is still limited to 42.56.
>>>>>>
>>>>>> Bob Kane
>>>>>> getterflash at yahoo.com
>>>>>>
>>>>>>
>>>>>> --- On Mon, 3/1/10, krishlan fitzsimmons
>>>>>>
>>>> <homeremodeling2003 at yahoo.com>
>>>>
>>>>>> wrote:
>>>>>>
>>>>>>
>>>>>>> From: krishlan fitzsimmons<homeremodeling2003 at yahoo.com>
>>>>>>> Subject: Re: [NSRCA-discussion] Max volts
>>>>>>> To: chad at f3acanada.org, "General pattern discussion"
>>>>>>> <nsrca-discussion at lists.nsrca.org>
>>>>>>> Date: Monday, March 1, 2010, 9:54 AM
>>>>>>>
>>>>>>> Couldn't we go to a higher voltage and
>>>>>>> regulate it back down? A contstant 42.56v would be nice!
>>>>>>>
>>>>>>> Chris
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> From: Chad
>>>>>>> Northeast<chad at f3acanada.org>
>>>>>>> To:
>>>>>>> nsrca-discussion at lists.nsrca.org
>>>>>>> Sent: Sun,
>>>>>>> February 28, 2010 8:48:48 PM
>>>>>>> Subject: Re:
>>>>>>> [NSRCA-discussion] Max volts
>>>>>>>
>>>>>>> You would be at about 50% capacity at 3.85 ish volts/cell
>>>>>>> (resting open circuit), so unless you up the capacity you
>>>>>>> will have a pretty restricted flight time.
>>>>>>>
>>>>>>> Chad
>>>>>>>
>>>>>>> On 10-02-28 9:25 PM, Ron Van Putte wrote:
>>>>>>>
>>>>>>>> That stirs a wild thought in my brain. Fully
>>>>>>>>
>>>>>>> charged packs don't stay at 4.2 volts per cell very
>>>>>>> long. On the other hand, once the initial charge
>>>>>>> voltage is burned off by a constant load, the voltage loss
>>>>>>> curve "flattens out". What if you put fully
>>>>>>> charged 6S and a 5S packs in series and "burn them
>>>>>>> down" to 3.869 volts per cell (a total of 42.56
>>>>>>> volts for an 11-cell pack) so they were legal for
>>>>>>> use. Would the voltage of this depleted 11S pack be
>>>>>>> higher than a fully charged 10S pack at the end of a typical
>>>>>>> flight? If the end-of-flight voltage might be
>>>>>>> significantly higher for the 11S pack vice a 10S pack, it
>>>>>>> would be worth investigating, even considering the extra
>>>>>>> weight of the additional cell. Come on you electronic
>>>>>>> gurus, show me where I'm wrong.
>>>>>>>
>>>>>>>> Ron Van Putte
>>>>>>>>
>>>>>>>> On Feb 28, 2010, at 10:00 PM, James Oddino wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>> What comes after ...? Does it specify a load
>>>>>>>>>
>>>>>>> or any other conditions? Is it measured during the
>>>>>>> noise test and have a minimum value?
>>>>>>>
>>>>>>>>> Just stirring the pot, Jim O
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Feb 28, 2010, at 5:21 PM, John Fuqua wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> No its not (assuming we are talking RC
>>>>>>>>>>
>>>>>>> Aerobatics). Try page RCA-2 para 4.1
>>>>>>>
>>>>>>>>>> which
>>>>>>>>>>
>>>>>>> states "Electrically-powered model aircraft are
>>>>>>> limited to a maximum
>>>>>>>
>>>>>>>>>> of 42.56 volts.."
>>>>>>>>>>
>>>>>>>>>> -----Original Message-----
>>>>>>>>>> From: nsrca-discussion-bounces at lists.nsrca.org
>>>>>>>>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]
>>>>>>>>>>
>>>>>>> On Behalf Of Ron Van Putte
>>>>>>>
>>>>>>>>>> Sent: Sunday, February 28, 2010 7:07 PM
>>>>>>>>>> To: General pattern discussion
>>>>>>>>>> Subject: Re: [NSRCA-discussion] Max volts
>>>>>>>>>>
>>>>>>>>>> It's in the general rules, not in the R/C
>>>>>>>>>>
>>>>>>> section.
>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Feb 28, 2010, at 6:50 PM, Jim Quinn wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>> Where can I find the rule
>>>>>>>>>>>
>>>>>>> for max volts?
>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>>
>>>>>>>>>>> NSRCA-discussion mailing list
>>>>>>>>>>> NSRCA-discussion at lists.nsrca.org
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>>
>>>>>>>>>> NSRCA-discussion mailing list
>>>>>>>>>> NSRCA-discussion at lists.nsrca.org
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>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>>
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>>>>>>>>>>
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>>>>>>>
>>>>>>>>>> NSRCA-discussion at lists.nsrca.org
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>
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