Re: [EVDL] Radio Noise Issue

2021-10-14 Thread Mike Nickerson via EV 
It's possible to get reasonable radio reception on the FM band. I had a
Honda del Sol conversion with an Elcon DC-DC converter that had reasonable
reception on FM. I actually never gave it a thought. Care had been made to
run cables together, but it wasn't an ideal situation. Half the batteries
were in the trunk and half under the hood, with cables running through the
transmission tunnel. Mike -Original Message- From: EV On Behalf Of
nathan christiansn via EV Sent: Thursday, October 14, 2021 6:36 PM To:
ev@lists.evdl.org Cc: nathan christiansn Subject: Re: [EVDL] Radio Noise
Issue Interestingly enough, the noise is coming in on the FM band. I like
Jay's idea of a separate 12v battery and a 2p2t switch - just need to find a
place for the other battery. Thanks for all your suggestions, Nathan
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Re: [EVDL] Radio Noise Issue

2021-10-14 Thread nathan christiansn via EV 
Interestingly enough, the noise is coming in on the FM band.

I like Jay’s idea of a separate 12v battery and a 2p2t switch - just need
to find a place for the other battery.

Thanks for all your suggestions,

Nathan
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Re: [EVDL] Radio Noise Issue

2021-10-14 Thread David Chapman via EV 
Well the only solution then is to encase the AM radio in Cavorite. Or listen to 
media on your phone as you suggested earlier... Dach.

"Do what you can, with what you have, where you are" - Theodore Roosevelt “We 
reached the old wolf in time to watch a fierce green fire dying in her eyes 
 I was young then, and full of trigger-itch; I thought that because fewer 
wolves meant more deer, that no wolves would mean hunters’ paradise. But after 
seeing the green fire die, I sensed that neither the wolf nor the mountain 
agreed with such a view.” - Aldo Leopold 

On Thursday, October 14, 2021, 04:28:40 PM MST, Bill Dube via EV 
 wrote:  
 
 There is zero hope for an AM radio to function correctly in a home built 
EV.

You are inside a metal box next to a 100 kW unshielded broadband AM 
radio transmitter.

Many of the early OEM EV's simply didn't have an AM radio at all, for 
just this issue.

Bill D.

On 10/15/2021 1:03 AM, paul dove via EV wrote:
> Try connecting the radio to a separate battery isolated from the vehicle
>
>
> Sent from AT Yahoo Mail for iPhone
>
>
> On Wednesday, October 13, 2021, 6:48 PM, nathan christiansn via EV 
>  wrote:
>
> Hello Everyone,
>
> I have a Geo Metro that I converted electric and the radio has never been
> able to pick up more than one station because of all the noise the dc-dc
> converter outputs. I have been able to verify that the noise is being
> picked up through the 12 volt input of the radio and not through the
> antenna. I have tried putting a large line-voltage EMI filter on the output
> of the dc-dc converter and it did not do anything. I also tried putting a
> large capacitor on the output and experienced similar results.
>
> Is there anyone out there who has had a similar issue and found a solution?
> Any ideas would be appreciated.
>
> Nathan
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Re: [EVDL] Radio Noise Issue

2021-10-14 Thread Bill Dube via EV 
There is zero hope for an AM radio to function correctly in a home built 
EV.


You are inside a metal box next to a 100 kW unshielded broadband AM 
radio transmitter.


Many of the early OEM EV's simply didn't have an AM radio at all, for 
just this issue.


Bill D.

On 10/15/2021 1:03 AM, paul dove via EV wrote:

Try connecting the radio to a separate battery isolated from the vehicle


Sent from AT Yahoo Mail for iPhone


On Wednesday, October 13, 2021, 6:48 PM, nathan christiansn via EV 
 wrote:

Hello Everyone,

I have a Geo Metro that I converted electric and the radio has never been
able to pick up more than one station because of all the noise the dc-dc
converter outputs. I have been able to verify that the noise is being
picked up through the 12 volt input of the radio and not through the
antenna. I have tried putting a large line-voltage EMI filter on the output
of the dc-dc converter and it did not do anything. I also tried putting a
large capacitor on the output and experienced similar results.

Is there anyone out there who has had a similar issue and found a solution?
Any ideas would be appreciated.

Nathan
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[EVDL] OT - Use the EV public charging network to recharge an LFP portable Home battery

2021-10-14 Thread Danny Ames via EV 
Very cool product idea. You can take advantage of any J1772 to charge up this 
portable LFP battery.Great for camping and extending your EV battery.
Danny Ames
 
"https://www.kickstarter.com/projects/ecoflow/ecoflow-delta-pro;


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Re: [EVDL] Radio Noise Issue

2021-10-14 Thread Jay Summet via EV 
Separate small (motorcycle sized) 12v battery behind a 2p2t switch to 
separate both positive & negative lines powering the radio only. Turn 
switch on to charge battery from DC2DC, turn off when you want to listen 
to the radio.  [If the interference really is only coming along the 
power lines...]


Jay

On 10/13/21 7:49 PM, nathan christiansn via EV wrote:

I forgot to add - I would like to avoid getting a new dc-dc converter if
possible.

Nathan

On Wed, Oct 13, 2021 at 5:48 PM nathan christiansn 
wrote:


Hello Everyone,

I have a Geo Metro that I converted electric and the radio has never been
able to pick up more than one station because of all the noise the dc-dc
converter outputs. I have been able to verify that the noise is being
picked up through the 12 volt input of the radio and not through the
antenna. I have tried putting a large line-voltage EMI filter on the output
of the dc-dc converter and it did not do anything. I also tried putting a
large capacitor on the output and experienced similar results.

Is there anyone out there who has had a similar issue and found a
solution? Any ideas would be appreciated.

Nathan


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Re: [EVDL] Radio Noise Issue

2021-10-14 Thread paul dove via EV 
Try connecting the radio to a separate battery isolated from the vehicle 


Sent from AT Yahoo Mail for iPhone


On Wednesday, October 13, 2021, 6:48 PM, nathan christiansn via EV 
 wrote:

Hello Everyone,

I have a Geo Metro that I converted electric and the radio has never been
able to pick up more than one station because of all the noise the dc-dc
converter outputs. I have been able to verify that the noise is being
picked up through the 12 volt input of the radio and not through the
antenna. I have tried putting a large line-voltage EMI filter on the output
of the dc-dc converter and it did not do anything. I also tried putting a
large capacitor on the output and experienced similar results.

Is there anyone out there who has had a similar issue and found a solution?
Any ideas would be appreciated.

Nathan
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