Jon Ison
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 posted on 28/5/02 at 08:29 PM |
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Car alarm sensitivity
went to work in pride n joy today, well sun was shining at 7am this morning and i had just fitted a "race can" so i wanted to listen to it....anyway
at play time i took a few out for a blast, the funnything was when i got back from taking the 1st one out i was met by a crowd (well 2) angry car
owners who's car alarms i had set off as i pulled away.......was it me or do there alarms need looking at ???? 
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ChrisW
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| posted on 28/5/02 at 08:45 PM |
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Used to do that all the time in my XR2000. People do tend to get wound up about it!
Chris
My gaff my rules
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David Jenkins
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| posted on 29/5/02 at 07:21 AM |
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Best case I've experienced was in the long-term car park at Heathrow airport (the one that runs parallel to the runway).
I was just walking away from my car when Concorde took off... several hundred car alarms went off! According to the man at the gate, this happened
several times a day, every time a Concorde left - it's a wonder that these cars had any battery left after a 2-week holiday.
David
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James
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| posted on 29/5/02 at 11:13 AM |
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I remember it happening at an airshow once- a Lightning had done this amazing low fly past that nearly deafened the lot of us and screamed off into
the horizon after which there was nothing but a deadly hush and the sound of hundreds of car alarms in the distance.
Cool!
James
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john_s
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| posted on 29/5/02 at 06:00 PM |
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Hi.
quote:
I remember it happening at an airshow once- a Lightning had done this amazing low fly past that nearly deafened the lot of us and screamed
off into the horizon after which there was nothing but a deadly hush and the sound of hundreds of car alarms in the distance
I went to farnborough airshow one year, and there were car alarms going off with pretty much every pass of the fast jets, and especially the noisy
Russian beasts like the MiG29 & Su27.
John
--
John Singleton
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Metal Hippy™
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| posted on 29/5/02 at 06:02 PM |
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The best plane for that is the American B1-B Lancer bomber.
Huge thing with huge engines. Very loud indeed.
That's a car alarm setter-offer, trust me. RAF Waddington Airshow is a good source of useless info like that.
President of the Non-conformist Locost Builders Club. E-mail for details...
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Dazza
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| posted on 2/6/02 at 07:54 PM |
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all the old ones will do it, and some of the new ones to. I used to install em, there is no way to stop it really, so just smile or hit em!!!!!!!!
fuckit
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jmbillings
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| posted on 8/6/02 at 11:52 AM |
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I think its just the vibration sensors a lot of alarms use- basically a piezo buzzer thing with a weigh on a spring on it. vibration makes the weight
move, which generates a current in the piezo thingy, setting the alarm off.
Any loud noise will cause vibration somewhere (i.e. my car stereo makes the mirrors vibrate when turned up) and likewise, your zorst made the pizeo
weight wobble, as do all these planes! Nowt they can do except sometimes it is adjustable.
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