I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy.
Is this ok or will it damage the Pi
On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephen Strange <no.spam@me.com> wrote in <nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy. >>
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator in the Pi, also it may create noise on that 3V line
that will affect the electronics.
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the rotor out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
Jan Panteltje wrote to Strange <=-
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy.
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator
in the Pi, also it may create noise on that 3V line that will
affect the electronics. I had a noisy 5 V fan in the Pi4 4 GB, I
took the fan apart, took the rotor out and greased the shaft with
some vaseline. That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
Jan Panteltje wrote:
On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephen
Strange <no.spam@me.com> wrote in
<nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less
noisy.
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator in the
Pi, also it may create noise on that 3V line
that will affect the electronics.
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the
rotor out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
Ok - thanks
On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephen Strange <no.spam@me.com> wrote in <nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy. >>
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator in the Pi, also it may create noise on that 3V line
that will affect the electronics.
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the rotor out and greased the
You can just use a series resistor to slow the fan while still powering
it from 5V. Exp0eriment with the value of resistor until you get the
right speed.
Jan Panteltje wrote to Strange <=-
>I have a Pi4 that came with a noisy 5v fan.
>
>If I connect the fan to the 3v line it spns slower and is much less noisy.
>
>Is this ok or will it damage the Pi
JP> Not a good idea, the fan will likely overload the 3 V regulator
JP> in the Pi, also it may create noise on that 3V line that will
JP> affect the electronics. I had a noisy 5 V fan in the Pi4 4 GB, I
JP> took the fan apart, took the rotor out and greased the shaft with
JP> some vaseline. That was about 2 years ago.
JP> It has been quiet ever since, works perfectly, 24/7.
Hogwash. I've got a Pi4 that I've been running the fan on the 3v pin
for at least 2 years, 24/7, and it's perfectly fine.
... Anything is possible if you don't know what you're talking about
=== MultiMail/Linux v0.52
On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephen Strange <no.spam@me.com> wrote in <nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy. >>
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator in the Pi, also it may create noise on that 3V line
that will affect the electronics.
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the rotor out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
On 22/08/2023 15:16, Jan Panteltje wrote:
On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephenyou shouldn't use grease on small electric motors.
Strange <no.spam@me.com> wrote in
<nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy. >>>
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator in the Pi, also it may create noise on that 3V line
that will affect the electronics.
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the rotor out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
Unsubscribing
On 22/08/2023 15:16, Jan Panteltje wrote:
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart,
took the rotor out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
you shouldn't use grease on small electric motors.
Light sewing machine oil is best.
Brian Gregory <void-invalid-dead-dontuse@email.invalid> wrote:
You can just use a series resistor to slow the fan while still powering
it from 5V. Exp0eriment with the value of resistor until you get the
right speed.
That's a much better option than stressing the voltage regulator on the Pi.
A 2V zener diode could also be used in series to avoid needing to
experiment with the resistor value if 3v is considered roughly optimal. Or 2-3 normal silicon diodes in series.
Dr Stephen Strange wrote to All <=-
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy.
Is this ok or will it damage the Pi
The Natural Philosopher wrote to Jan Panteltje <=-
On 22/08/2023 15:16, Jan Panteltje wrote:
On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephen Strange <no.spam@me.com> wrote in <nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
I have a Pi4 that came with a noisy 5v fan.
If I connect the fan to the 3v line it spns slower and is much less noisy.
Is this ok or will it damage the Pi
Not a good idea, the fan will likely overload the 3 V regulator in the Pi,
also it may create noise on that 3V line
that will affect the electronics.
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the rotor
out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
you shouldn't use grease on small electric motors. Light sewing machine oil is best.
Charlie Gibbs wrote to The Natural Philosopher <=-
On 2023-08-23, The Natural Philosopher <tnp@invalid.invalid> wrote:
On 22/08/2023 15:16, Jan Panteltje wrote:
I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart,
took the rotor out and greased the shaft with some vaseline.
That was about 2 years ago.
It has been quiet ever since, works perfectly, 24/7.
you shouldn't use grease on small electric motors.
Light sewing machine oil is best.
Yup. I've revived a lot of fans with a few drops of 3-in-1 oil.
--
/~\ Charlie Gibbs | You can't save the earth
\ / <cgibbs@kltpzyxm.invalid> | unless you're willing to
X I'm really at ac.dekanfrus | make other people sacrifice.
/ \ if you read it the right way. | -- Dogbert the green
consultant
--- SoupGate-Win32 v1.05
* Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3)
The Natural Philosopher wrote to Jan Panteltje <=-
TNP> On 22/08/2023 15:16, Jan Panteltje wrote:
> On a sunny day (Tue, 22 Aug 2023 13:46:30 +0100) it happened Dr Stephen
> Strange <no.spam@me.com> wrote in
> <nvKcnT3WfrC7M3n5nZ2dnZfqn_WdnZ2d@brightview.co.uk>:
>
>> I have a Pi4 that came with a noisy 5v fan.
>>
>> If I connect the fan to the 3v line it spns slower and is much less noisy.
>>
>> Is this ok or will it damage the Pi
>
> Not a good idea, the fan will likely overload the 3 V regulator in the Pi,
TNP> also it may create noise on that 3V line
> that will affect the electronics.
> I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, took the rotor
TNP> out and greased the shaft with some vaseline.
> That was about 2 years ago.
> It has been quiet ever since, works perfectly, 24/7.
>
TNP> you shouldn't use grease on small electric motors. Light sewing machine
TNP> oil is best.
Its an easy fix if you've done it before. Almost all fans today electric that resemble computer type fan:
on the flat side of fan, there is a sticker.
Gently pull it off.
Under the sticker is shaft for the rotor.
Drop that tiny amount of oil in there (3 and 1) works pretty good, but use what
you have.
Put the sticker back on.
Test fan. The noise should be better.
NOTE: I use 3v pin and ground for my fan on all pies since they came out, and since 2013 my raspi comps are still working fine. I do this because I don't want to fix the fan as soon. Cooling with 3v works great.
Charlie Gibbs wrote to The Natural Philosopher <=-
CG> On 2023-08-23, The Natural Philosopher <tnp@invalid.invalid> wrote:
> On 22/08/2023 15:16, Jan Panteltje wrote:
>
>> I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart,
>> took the rotor out and greased the shaft with some vaseline.
>> That was about 2 years ago.
>> It has been quiet ever since, works perfectly, 24/7.
>
> you shouldn't use grease on small electric motors.
> Light sewing machine oil is best.
CG> Yup. I've revived a lot of fans with a few drops of 3-in-1 oil.
Yeah don't use grease ... grease was just a poor word choice, 3-in-1 oil is what I used, but not always easy to get, depending where you live.
On 23/08/2023 13:02, Grant Weasner wrote:
Yeah don't use grease ... grease was just a poor word choice, 3-in-1'3 in 1' is one brand, 'sewing machine oil' is another good term to
oil is
what I used, but not always easy to get, depending where you live.
search for. or 'light machine oil'. That last got me the most results on Amazon.
The sort of stuff model train people use.
The Natural Philosopher wrote to bbsing <=-
On 23/08/2023 13:02, Grant Weasner wrote:
Charlie Gibbs wrote to The Natural Philosopher <=-
CG> On 2023-08-23, The Natural Philosopher <tnp@invalid.invalid> wrote:
> On 22/08/2023 15:16, Jan Panteltje wrote:
>
>> I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart,
>> took the rotor out and greased the shaft with some vaseline.
>> That was about 2 years ago.
>> It has been quiet ever since, works perfectly, 24/7.
>
> you shouldn't use grease on small electric motors.
> Light sewing machine oil is best.
CG> Yup. I've revived a lot of fans with a few drops of 3-in-1 oil.
Yeah don't use grease ... grease was just a poor word choice, 3-in-1 oil is what I used, but not always easy to get, depending where you live.
'3 in 1' is one brand, 'sewing machine oil' is another good term to search for. or 'light machine oil'. That last got me the most results
on Amazon.
The sort of stuff model train people use.
On 24/08/2023 08:33, The Natural Philosopher wrote:
On 23/08/2023 13:02, Grant Weasner wrote:
Yeah don't use grease ... grease was just a poor word choice, 3-in-1'3 in 1' is one brand, 'sewing machine oil' is another good term to
oil is
what I used, but not always easy to get, depending where you live.
search for. or 'light machine oil'. That last got me the most results
on Amazon.
The sort of stuff model train people use.
3 in 1 oil is rather brown so when it eventually dries out what's left
will be quite thick and sticky like tar. A light pale coloured sewing
machine oil would be my choice.
The Natural Philosopher wrote to bbsing <=-
TNP> On 23/08/2023 13:02, Grant Weasner wrote:
> -=> Charlie Gibbs wrote to The Natural Philosopher <=-
>
> CG> On 2023-08-23, The Natural Philosopher <tnp@invalid.invalid> wrote:
>
> > On 22/08/2023 15:16, Jan Panteltje wrote:
> >
> >> I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart,
> >> took the rotor out and greased the shaft with some vaseline.
> >> That was about 2 years ago.
> >> It has been quiet ever since, works perfectly, 24/7.
> >
> > you shouldn't use grease on small electric motors.
> > Light sewing machine oil is best.
>
> CG> Yup. I've revived a lot of fans with a few drops of 3-in-1 oil.
>
> Yeah don't use grease ... grease was just a poor word choice, 3-in-1 oil is
> what I used, but not always easy to get, depending where you live.
>
>
TNP> '3 in 1' is one brand, 'sewing machine oil' is another good term to
TNP> search for. or 'light machine oil'. That last got me the most results
TNP> on Amazon.
TNP> The sort of stuff model train people use.
I didn't know '3 in 1' was a brand. So next time I need something good, I'll know how to better search for it online.
Thanks The Natural Philosopher
___ MultiMail/Linux v0.49
As do clock and watch repair people.
In message <64e53aed@news.ausics.net>
not@telling.you.invalid (Computer Nerd Kev) wrote:
Brian Gregory <void-invalid-dead-dontuse@email.invalid> wrote:
You can just use a series resistor to slow the fan while still powering
it from 5V. Exp0eriment with the value of resistor until you get the
right speed.
That's a much better option than stressing the voltage regulator on the Pi. >> A 2V zener diode could also be used in series to avoid needing to
experiment with the resistor value if 3v is considered roughly optimal. Or >> 2-3 normal silicon diodes in series.
I too would recommend any of those solutions.
Running a fan from the 3.3V line might work, and clearly it does for
some people's cases; but it isn't possible to generalise from one or
two cases. The 3.3V line may or may not have adequate spare capacity
for a particular fan.
It seems that 5V fans are typically 300mA or less.
On 3v Id expect them to be around 150mA. That is not a huge amount to
load a 3V supply with.
They are also incredibly cheap - $4 or less. Oil to fix a flagging bad
one is probably more expensive
The Natural Philosopher wrote to bbsing <=-
On 23/08/2023 13:02, Grant Weasner wrote:
Charlie Gibbs wrote to The Natural Philosopher <=-
CG> On 2023-08-23, The Natural Philosopher <tnp@invalid.invalid> wrote:
> On 22/08/2023 15:16, Jan Panteltje wrote:
>
>> I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart,
>> took the rotor out and greased the shaft with some vaseline.
>> That was about 2 years ago.
>> It has been quiet ever since, works perfectly, 24/7.
>
> you shouldn't use grease on small electric motors.
> Light sewing machine oil is best.
CG> Yup. I've revived a lot of fans with a few drops of 3-in-1 oil.
Yeah don't use grease ... grease was just a poor word choice, 3-in-1 oil is what I used, but not always easy to get, depending where you live.
'3 in 1' is one brand, 'sewing machine oil' is another good term to search for. or 'light machine oil'. That last got me the most results on Amazon.
The sort of stuff model train people use.
I didn't know '3 in 1' was a brand. So next time I need something good, I'll know how to better search for it online.
Thanks The Natural Philosopher
___ MultiMail/Linux v0.49
It has been a brand in the US for at least 55-60 years.
On 26 Aug 2023 02:30:35 GMT
Robert Riches <spamtrap42@jacob21819.net> wrote:
3-in-1
It has been a brand in the US for at least 55-60 years.
Also in the UK.
It was originally formulated in 1894 for use on
bicycles, and remains a popular lubricant for their chains.
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