433Mhz and a chainsaw?

Ullapool · May 23, 2015

My battery suddenly drained a few weeks ago, I suspected it was because of a neighbour using a chainsaw to cut down trees about 5 metres from my parking space. He was at it again today and my battery suddenly drained again.

Anyone else had this experience?

brianp38dse · May 23, 2015

there are a lot of household stuff now that wakes up the becm, remote door bells weather stations wifi routers ----- and is a common problem of battery drain, if that is your problem you can do thishttp://www.landyzone.co.uk/lz/f10/rf-reciever-work-round-258096.html

bitnix · May 23, 2015

Gotta love the antisocial P38 with a "leave me alone" attitude. You sneeze near it and the P38s brain is fried.

Ullapool · May 23, 2015

brianp38dse said:
there are a lot of household stuff now that wakes up the becm, remote door bells weather stations wifi routers ----- and is a common problem of battery drain, if that is your problem you can do thishttp://www.landyzone.co.uk/lz/f10/rf-reciever-work-round-258096.html

Thanks, I know, I was asking about chainsaws....

wammers · May 23, 2015

Ullapool said:
Thanks, I know, I was asking about chainsaws....

I would hardly think a chainsaw could effect the RF receiver.

Thor1950 · May 24, 2015

Ullapool said:
My battery suddenly drained a few weeks ago, I suspected it was because of a neighbour using a chainsaw to cut down trees about 5 metres from my parking space. He was at it again today and my battery suddenly drained again.

Anyone else had this experience?

Really, Maybe Russian satellites are robbing you of power
:hysterically_laughi:hysterically_laughi:hysterically_laughi

Datatek · May 24, 2015

Ullapool said:
Thanks, I know, I was asking about chainsaws....

wammers said:
I would hardly think a chainsaw could effect the RF receiver.

An unsuppressed spark plug is effectively a transmitter of RF, early transmitters were spark based, so it's not inconceivable that the chain saw affected the RF receiver.

wammers · May 24, 2015

Datatek said:
An unsuppressed spark plug is effectively a transmitter of RF, early transmitters were spark based, so it's not inconceivable that the chain saw affected the RF receiver.

Pretty unlucky to have a 433 Mhz chainsaw though.

Would have thought most modern units would be suppressed.

Datatek · May 24, 2015

wammers said:
Pretty unlucky to have a 433 Mhz chainsaw though. Would have thought most modern units would be suppressed.

The output of a spark transmitter covers a huge range of frequencies and harmonics. It would have been suppressed when new, but there is no control over what has been done by the owner, I have had farm machinery and electric fences round here interfering with the sound on TV from some distance.

davidsmith1307 · May 24, 2015

A spark is an impulse, and if you analyse the spectrum of an impulse it is uniform across the entire frequency spectrum.

Wow. I remember stuff from uni!

ukadamwest · May 25, 2015

does he have a phone in his pocket or is he just happy to see your Range Rover ?

wammers · May 25, 2015

Well all i can say is i have two brush cutters, a leaf blower, two petrol generators, a Stihl saw, a ride on mower and a chainsaw the same model that Noah used to cut wood for the ark and none of them effect the P38 even when started next to it.

tomcat59alan · May 25, 2015

davidsmith1307 said:
A spark is an impulse, and if you analyse the spectrum of an impulse it is uniform across the entire frequency spectrum.

Wow. I remember stuff from uni!

Bloody swot.

Datatek · May 25, 2015

wammers said:
Well all i can say is i have two brush cutters, a leaf blower, two petrol generators, a Stihl saw, a ride on mower and a chainsaw the same model that Noah used to cut wood for the ark and none of them effect the P38 even when started next to it.

Greedy bugger

Either they all have the correct suppressed spark plugs fitted or your P38 has a Mk3 receiver

tomcat59alan · May 25, 2015

Datatek said:
Greedy bugger Either they all have the correct suppressed spark plugs fitted or your P38 has a Mk3 receiver

He's like a one man band when he's got them all running at once.

wammers · May 25, 2015

Datatek said:
Greedy bugger Either they all have the correct suppressed spark plugs fitted or your P38 has a Mk3 receiver

Don't have clue which RF receiver i have fitted. Don't have problems with stray signals though. Mind you up north we are a bit behind and all the electric is run off gas.

Datatek · May 25, 2015

wammers said:
Don't have clue which RF receiver i have fitted. Don't have problems with stray signals though. Mind you up north we are a bit behind and all the electric is runs off gas.

:hysterically_laughi

Larsern · May 26, 2015

If my wife uses her Blackberry phone while seated in the front passenger seat, the EAS goes bananas after 10 sec. So she is expelled to the back seat if she want to surf the WWW while we are driving.

Iphones are not that bad, usually takes about 2-4 minutes of surfing before the EAS gets it.

Larsern

Datatek · May 26, 2015

Larsern said:
If my wife uses her Blackberry phone while seated in the front passenger seat, the EAS goes bananas after 10 sec. So she is expelled to the back seat if she want to surf the WWW while we are driving.

Iphones are not that bad, usually takes about 2-4 minutes of surfing before the EAS gets it.

Larsern

Owners manual mentions not using mobile phone due to the risk of interference. However Samsung with a DAS of less than 0.3 cause no problems. Blackberry will cook eggs with the RF radiation.

wammers · May 26, 2015

Datatek said:
Owners manual mentions not using mobile phone due to the risk of interference. However Samsung with a DAS of less than 0.3 cause no problems. Blackberry will cook eggs with the RF radiation.

And your brain.

433Mhz and a chainsaw?

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