Today's Message Index:
----------------------
1. 01:22 AM - Re: Re: Monkworkz MZ-30L, 2.6 lb 30 amp generator (Henry Hallam)
2. 04:34 AM - Re: Re: Monkworkz MZ-30L, 2.6 lb 30 amp generator (Alec)
3. 06:14 AM - What Solder !!! (John M Tipton)
4. 06:51 AM - Re: What Solder !!! (Carlos Trigo)
5. 07:08 AM - Re: What Solder !!! (Charlie England)
6. 07:09 AM - Re: What Solder !!! (Charlie England)
7. 08:33 AM - Re: What Solder !!! (Robert L. Nuckolls, III)
8. 08:43 AM - Re: Re: Monkworkz MZ-30L, 2.6 lb 30 amp generator (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: Monkworkz MZ-30L, 2.6 lb 30 amp generator |
Nice design, Bill - thanks for sharing the info and making a neat new
product available!
Magnets on the outside puts them at a greater radius from the shaft, and
therefore they move at a higher linear speed for a given RPM, compared to
an arrangement with them inside the stator. Faster motion of magnets past
the coils gives more volts - Faraday's law.
Henry
On Mon, Dec 13, 2021, 23:16 bigginsking <bjudge@gmail.com> wrote:
>
> Hi Dave,
>
> The magnets are on the outside because you get more voltage out of that
> configuration vs internal rotating magnets. I don't honestly know the
> physics but that's how it works out.
>
> Bill
>
> --------
> Bill Judge
> N84WJ, RV-8
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=505247#505247
>
>
Message 2
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| Subject: | Re: Monkworkz MZ-30L, 2.6 lb 30 amp generator |
EMF would depend on the number of field lines cut by the coils per second, n
ot any linear speed; whether the magnets are on the inside or the outside th
e field lines cut per revolution would be the same.
Maybe there=99s room for bigger magnets on the outside? But then there
=99s room for fewer coil turns.
Sent from my iPhone
> On Dec 14, 2021, at 04:22, Henry Hallam <henry@pericynthion.org> wrote:
>
> =EF=BB
> Nice design, Bill - thanks for sharing the info and making a neat new prod
uct available!
>
> Magnets on the outside puts them at a greater radius from the shaft, and t
herefore they move at a higher linear speed for a given RPM, compared to an a
rrangement with them inside the stator. Faster motion of magnets past the co
ils gives more volts - Faraday's law.
>
> Henry
>
>> On Mon, Dec 13, 2021, 23:16 bigginsking <bjudge@gmail.com> wrote:
>>
>> Hi Dave,
>>
>> The magnets are on the outside because you get more voltage out of that c
onfiguration vs internal rotating magnets. I don't honestly know the physics
but that's how it works out.
>>
>> Bill
>>
>> --------
>> Bill Judge
>> N84WJ, RV-8
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=505247#505247
>>
>>
>>
>>
>>
>>
>> ==========
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>http://www.matronics.com/Navigator?AeroElectric-List
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>> WIKI -
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Message 3
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Hi Guys
What is the correct/recommended solder (ratio) to use for us when we do need to
solder a couple of wires together
John
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=505250#505250
Message 4
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| Subject: | Re: What Solder !!! |
Hello John
I am no expert, but I remember being recommended the 60/40.
Cheers
Carlos
Enviado do meu iPhone
> No dia 14/12/2021, s 14:24, John M Tipton <johntiptonuk@hotmail.com> escreveu:
>
>
> Hi Guys
>
> What is the correct/recommended solder (ratio) to use for us when we do need
to solder a couple of wires together
>
> John
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=505250#505250
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Re: What Solder !!! |
On Tue, Dec 14, 2021 at 8:20 AM John M Tipton <johntiptonuk@hotmail.com>
wrote:
> johntiptonuk@hotmail.com>
>
> Hi Guys
>
> What is the correct/recommended solder (ratio) to use for us when we do
> need to solder a couple of wires together
>
> John
>
I spent an entire career sticking wires together with Kester 60/40 rosin
core electronics solder, and then heard about 63/37, which makes getting a
good joint, if not a no-brainer, at least a less-brainer. Either works
fine on properly executed joints. If I ever use up what's left of my 60/40,
I'll buy some 63/37.
Quick link to Kester
<https://www.amazon.com/Kester-24-6337-8800-Activated-Solder-No-Clean/dp/B00068IJOU/ref=sr_1_3?crid=15SOO5HVQH6BH&keywords=kester+rosin+core+solder+63%2F37&qid=1639493693&sprefix=kester+rosin+core+solder%2Caps%2C258&sr=8-3>
.
If you're a full grown adult doing this as a hobby, you can put what's left
of the roll in your will, and your kids can probably do the same in theirs.
;-)
Charlie
Message 6
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| Subject: | Re: What Solder !!! |
EDIT! I got sloppy doing the search. I didn't pay attention to the part #
of that Kester solder. Might be great, but the stuff I've used is Kester 44.
Sorry for the confusion.
Charlie
On Tue, Dec 14, 2021 at 8:58 AM Charlie England <ceengland7@gmail.com>
wrote:
>
>
> On Tue, Dec 14, 2021 at 8:20 AM John M Tipton <johntiptonuk@hotmail.com>
> wrote:
>
>> johntiptonuk@hotmail.com>
>>
>> Hi Guys
>>
>> What is the correct/recommended solder (ratio) to use for us when we do
>> need to solder a couple of wires together
>>
>> John
>>
> I spent an entire career sticking wires together with Kester 60/40 rosin
> core electronics solder, and then heard about 63/37, which makes getting a
> good joint, if not a no-brainer, at least a less-brainer. Either works
> fine on properly executed joints. If I ever use up what's left of my 60/40,
> I'll buy some 63/37.
> Quick link to Kester
> <https://www.amazon.com/Kester-24-6337-8800-Activated-Solder-No-Clean/dp/B00068IJOU/ref=sr_1_3?crid=15SOO5HVQH6BH&keywords=kester+rosin+core+solder+63%2F37&qid=1639493693&sprefix=kester+rosin+core+solder%2Caps%2C258&sr=8-3>
> .
> If you're a full grown adult doing this as a hobby, you can put what's
> left of the roll in your will, and your kids can probably do the same in
> theirs.
> ;-)
>
> Charlie
>
>
Message 7
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| Subject: | Re: What Solder !!! |
At 08:13 AM 12/14/2021, you wrote:
><johntiptonuk@hotmail.com>
>
>Hi Guys
>
>What is the correct/recommended solder (ratio) to use for us when we
>do need to solder a couple of wires together
>
>John
>
See attached . . .
Buying solder is a bit problematic . . . it's
increasingly expensive in the common put-ups (1 lb).
A pound of solder will last you a very long time.
Drop me an address and I'll send you some 63/37
in the mail that will probably service your
near term needs.
Alternatively, ebay is a good source for
smaller put-ups. Here's an exemplar offer
https://tinyurl.com/y24xwdmh
Bob . . .
Un impeachable logic: George Carlin asked, "If black boxes
survive crashes, why don't they make the whole airplane
out of that stuff?"
Message 8
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| Subject: | Re: Monkworkz MZ-30L, 2.6 lb 30 amp generator |
At 06:33 AM 12/14/2021, you wrote:
>EMF would depend on the number of field lines cut by the coils per
>second, not any linear speed; whether the magnets are on the inside
>or the outside the field lines cut per revolution would be the same.
>
>Maybe there's room for bigger magnets on the outside? But then
>there's room for fewer coil turns.
Yes, larger magnets that produce MORE lines
for given flux density. Optimum turns will
be an exceedingly interactive trade off for
volume and core magnetics. The steel on which
the coils are situation is part of the flux
path. The steel is limited in how many lines
of flux it will carry. If the steel is being
operated high on it's saturation curve (desirable)
then going to bigger magnets may not proportionately
increase energy available from the machine.
The housing on which carries the magnets
may also be a critical part of the magnetic
circuit depending on the polarity configuration
of the magnets.
The performance of rotating electrics is driven
by a symphony of effects which interact with
each other any one of which can become a singular
limit . . . fine tuning these critters is an
art aided by nimble footed software!
Bob . . .
Un impeachable logic: George Carlin asked, "If black boxes
survive crashes, why don't they make the whole airplane
out of that stuff?"
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