#101
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Who are you insured with Moley? I'm with greenlight and they do £50 a day and my excess is doubled for that day in the event of a claim. I think Gary Moulson soes this too and a few others...
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#102
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He is Gary!!!
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#103
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Yeah come Moley (Mr Gary Moulson) who are you insured with
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Not built for the Twisty's |
#104
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brilliant, i think you found your man spooky.lol
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#105
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OH WHAT!? what are the chances!? PMSL! I fail so bad!!!
First the Syvecs or Solaris debate, now this! Someone PLEASE pass me my coat ASAP! HAHAHA!
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#106
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We're planning on doing noise testing at the Pease Pottage meet, just waiting for Crowman to confirm he can attend with the db meter
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#107
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#108
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Can't wait for your third FAIL, bet its gonna be a good one lol
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Not built for the Twisty's |
#109
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Epic... simply Epic! I fail at life!!
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#110
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Quote:
What date is this meet steve?
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#111
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Good stuff... Just don't think I'd trust the db meter on my phone!!
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#112
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#113
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Have you tryed it out of interest Si?
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#114
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Dam i'm away that weekend. Thinking of buying a sound meter. Only £60 from somehwere like maplins... i'm sure it would come in handy for times like these.
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#115
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We had a bit of a try with Angers a couple of weeks a go but I don't think he was revving that high but it was under 100db... Will try to have a go this weekend a post up the results.
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#116
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Quote:
http://cgi.ebay.co.uk/Sound-Noise-Le...item27ad9f2b26 |
#117
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Hmmm, might have to speak to the insurers on Monday, looks like we're being over charged. (they charge us £60)
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#118
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Will we have to get cover for the whole day to cover 40mins Gary??
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#119
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Quote:
Hope to ge it for £30 instead of the £60, but waiting for an answer |
#120
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Topman
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#121
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nice one Gary, let us know if you can sort something out
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#122
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right, this is now posted on Sussex, Surrey and Kent
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#123
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Steve.. I promise not to make a habit of correcting you but you've post up a 102db limit on Surrey... It changed to 105db when the date changed
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#124
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Quote:
Its all in post #20 again |
#125
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You're quite right mate... 1-1 I'd managed to get it into my head it had changed to 105! Which leads on to me saying 'b#####ks' 105db was gonna be pushing it a bit, can't see me getting in under 102db even with the bung!
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#126
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could join me at 3pm and go in the 105db and could sneak out
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Eat, Sleep, Race , Repeat |
#127
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Right, Crowman (Martyn) has confirmed he can make it to the Sussex meet at Pease Pottage with a calibrated db meter - we can therefore do noise testing if anyone wants to know how loud their car is before booking a session at Brands.
If you've got a bung, bring that too so we can see how loud you are both with and without if necessary The Sussex meet is at Pease Pottage service station, 12pm Sunday 4th April I know its Easter Sunday but I hope you can all make it If people fancy it, most people normally head over to the Flight Tavern pub for lunch at 1pm. |
#128
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3 pm till it finishes or the 3 jerry cans !
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Eat, Sleep, Race , Repeat |
#129
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Quote:
Is there any chance of an evening this week as the evenings are lighter ?? I cant make it on Easter Sunday,
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Keep it on the black stuff and leave the pit boards alone |
#130
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Don't think so - its dependent on Crowman getting the db meter from his work. I'm sure if it is possible, he'll let you know.
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#131
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Cant believe it, I have just found out from the mrs that we are still in the New Forrest until 19th, and travelliing back that evening
I will still try and get to the photoshoot if I can convince everyone to leave a bit early. Gutted, as I though I was back on the Sunday evening Oh well, at least there's Dunsfold to look forward to. The family are coming on that one, and of then theres the ring trip
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10 Years of Scoobies:04 WRX SL, 06 HAWK STI, 97 JDM WRX STI WAGON, 05 WRX STI, MK3 FOCUS RS, now Porsche Cayman S Last edited by Lucky; 29-03-2010 at 06:09 PM. |
#132
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bump - reminder for anyone who wants to check how noisy their cars is before booking, come along to the Sussex meet at Pease Pottage services, this Sunday at 12pm
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#133
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Mine hasnt a chance in hell
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"We're here for a good time, not a long time...." Colin McRae MBE 1968-2007 |
#134
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i might come along for a laugh................db wise!
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I know people,that know people,know what i mean? |
#135
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My Exhaust has FAILED !!!!
I have a Vortex Afterburner on a 2.5" system and it was reading 112db @ 4650 rpm. So I would recommend those going to Brands need to get them checked on Sunday at PP. Looks like my Prodrive back box is going back on. -------------------------------------------------------------------------------- Right, Crowman (Martyn) has confirmed he can make it to the Sussex meet at Pease Pottage with a calibrated db meter - we can therefore do noise testing if anyone wants to know how loud their car is before booking a session at Brands. If you've got a bung, bring that too so we can see how loud you are both with and without if necessary The Sussex meet is at Pease Pottage service station, 12pm Sunday 4th April
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Keep it on the black stuff and leave the pit boards alone Last edited by BIG"E"; 02-04-2010 at 05:23 PM. |
#136
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Guys
We just checked Rich(Dukeboys) Which is 107db My M3 is 99db on standard system. Duncans classic uk with prodrive system was 103db I still think everyone should not get to anal about it,So long as your car is within 3 to 5 db of the allowable limit you should be ok. One more thing, the db meters from maplin,RS etc are all perfectly ok but only once calibrated, we use sound level meters for acoustic surveys at work and have had off the shelf meters read as much as 9db out compared to a calibrated meter. |
#137
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Them db's all sound a bit high in ref to the systems they have, how was they tested (at 45 degress half meter away i think is how they test them)
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Not built for the Twisty's |
#138
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I am going to try to get to Pease Pottage on Sunday so you can use mine to check how accurate the db tester is (mine was tested at Brands and was 88bd)
I agree 100% about not being too anal. I can't see anyone being turned away enless they are massively over the limit |
#139
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Granby
Yes half meter 45deg static test at 75% rpm Moley 88db is very low, ambient noise in an underground station ticket office is between 75 and 80db, sad i know but we install PA/VA systems on LUL. We have recently been installing the classical music background music you may of heard on the Northern line, This has to be set at 5db above ambient which is around 80db, dependant on size of station and its acoustic construction, just trying to give people an idea of what 80db is in reality,which is in a nutshell not very loud at all The meter i have is not all singing and dancing,and does not need to be, the important thing is its calibrated to a 94db sound generator. Would be interesting to test yours for sure. http://www.javelintrackdays.co.uk/tr...id=5&Itemid=22 P.S Will only be there for about an hour max guys |
#140
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Prepare to be very bored but gives you an idea.
-80?(P) UNDERWATER NUCLEAR SUBMARINE MICROPHONES LISTENING TO SHRIMP CHEWING ON FOOD AT 100 METERS DISTANCE -30 (N) ONE HUMAN TALKING 20 MILES AWAY ( 60 DB / METER AT A DISTANCE OF 20 MILES )-REF.1.2003 -4 TO +4 (N) THE TICKING OF AN ORDINARY WRISTWATCH AT 1 METER -REF.1 2003 0 (N) BEGINNING OF HEARING, A MOSQUITO 10 FEET AWAY, THE EAR DRUM MOVES LESS -REF.1.1990 THAN 1 / 100 THE LENGTH OF AN AIR MOLECULE (N) 3.5 (P) 1E-10 METERS OF MERCURY = 0.0000000001 METERS OF MERCURY 10 (P) ABSOLUTE SILENCE, ATT-BELL LABORATORY “ QUIET ROOM “ 13 (P) ORDINARY LIGHT BULB HUM 15 (N) A PIN DROP FROM A HIEGHT OF 1 CENTIMETER AT A DISTANCE OF 1 METER -REF.1.2003 30 (P) TOTALLY QUIET NIGHTIME IN DESERT-IMPOSSIBLE ANYWHERE NEAR CITY 35 (P) ANECHOIC HEARING TEST ROOM -REF.1. 1998 40 A WHISPER, A NORMAL CONVERSATION IS 60 DB, NORMAL SOUND 70 DB -REF.1.1983 73.98(P) = 1 uBAR = 1 microbar pressure 85 BEGINNING OF HEARING DAMAGE, EARPLUGS SHOULD BE WORN 93.98(P) = 1 PASCAL PRESSURE 100 NORMAL AVERAGE CAR OR HOUSE STEREO AT MAXIMUM VOLUME -REF.1.1982 107-104 (P) THE BEGINNING OF PAIN AT THE MOST SENSITIVE FREQUENCY OF 2750 HERTZ -REF.1.1982 109 ONE SOUND WATT RADIATING AS A PERFECT SPHERE, 4 PI SQUARE METERS -REF.1. 1986 110 A CAR STEREO WITH TWO 6 X 9” SPEAKERS AND 100 WATTS -REF.1.1982 113.81(P) = 1 MILLIMETER WATER 114-107 A VERY LARGE, POWERFUL PORTABLE RADIO REF.1.1982 116 HUMAN BODY BEGINS TO PERCIEVE VIBRATION IN THE LOW FREQUENCIES -REF.1.1986 117-123 HOME STEREO SYSTEM, A VERY LOUD AND POWERFUL 200-2000 WATTS -REF.1.1983 120.24(P) ONE PURE SOUND WATT FLOWING THROUGH 1 SQUARE METER, YOUR ELECTRIC AMPLIFIER MAY BE 3000 WATTS.ALSO A TESTIMONY TO HEARING SENSITIVITY -REF.1.1986 120-130 FRONT ROW AT A ROCK CONCERT- UP TO 200 REFRIGERATOR SIZE SPEAKERS AND 50000-300000 WATTS OF CLEAN, FULL FREQUENCY SOUND -REF.1.1981 125 DRUM SET-ONLY AT THE MOMENT OF STRIKING, CONTINOUS LEVEL 115 126-130 TYPICAL PROFESSIONAL D.J. SYSTEM -REF.1.1984 127 HUMAN TINNITUS (RINGING IN THE EARS) BEGINS -REF.1.1984 127.48 = 1 pound per square foot 128 (P)HUMAN, LOUDEST SCREAM MEASURED AT A DISTANCE OF 8 FEET 2 INCHES 128 HUMAN HEAD HAIR BEGINS TO DETECT VIBRATION -REF.1.1983 128 HUMAN CAN BEGIN TO DETECT VERY SLOW “BLAST WIND” OF 0.124 METERS/SECOND -REF.1.1983 130 (N)MARCHING BAND-OVERALL LEVEL AT A DISTANCE, 100-200 MEMBERS -REF.1.1996 132 EARDRUM “FLEX” TOTALLY NOTICEABLE -REF.1.1982 132.4(P) = 1 SOUND WATT MAXIMUM IN A SMALL SEALED BOX BELOW HYDRODYNAMIC CRITICAL LOW FREQUENCY 133 (N)GUNSHOT- EAR LEVEL, MAY VARY GREATLY TO SIZE AND TYPE OF GUN, DURATION CONVERTED TO ONE SECOND, PEAK LEVEL MAY REACH 140-160 (P) 133.98 (P) = 1 MILLIBAR PRESSURE 135-122 (P) “VERY LOUD” CAR STEREO, ONLY BASS LEVEL, HIGHS RARELY ABOVE 115(P) -REF.1.1983 135-130(N) LARGE TRAIN HORN -REF.1.1985 135 HUMAN, A SLIGHT COOLING EFFECT BEGINS TO BE NOTICED, FROM AIR EXPANSION -REF.1.1983 136.498(P) = 1 TORR PRESSURE = 1 MILLIMETER MERCURY 137 HUMAN BODY VIBRATION IS STRONG -REF.1.1983 137-140 HUMAN EAR ALL FREQUENCIES ARE PAINFUL -REF.1.1983 140 EXTREMELY DAMAGING TO HEARING NO MATTER HOW SHORT THE TIME EXPOSURE 140 BLAST WIND = U = (PARTICLE VELOCITY) IS 0.49 METERS PER SECOND OR ABOUT 1 MPH 140 HUMAN THROAT AND VOCAL CORD VIBRATION BEGINS -REF.1.1983 141 HUMAN BODY BEGINS TO FEEL NASUEA AFTER A FEW MINUTES -REF.1.1983 141.918(P) = 1 INCH OF WATER PRESSURE 142 HUMAN BODY CHESTPOUNDING IS INTENCE -REF.1.1983 142 (P) INSIDE A CAR WITH TWO PRO 18 INCH WOOFERS AND 300 WATTS EACH -REF.1.1983 143 HUMAN BODY FEELS AS IF SOMEONE JUST FOOTBALL TACKLED YOUR CHEST -REF.1.1983 144 HUMAN NOSE ITCHES -REF.1.1983 145 HUMAN VISION BEGINS TO VIBRATE MAKING IT SLIGHTLY BLURRY, 1-3 DEGREES -REF.1.1983 145-136 (P)“COMPETITION” CAR STEREO, SIXTEEN 12 OR EIGHT 15, OR FOUR 18 SPEAKERS -REF.1.1983 146.1(P) AIR PARTICLE VELOCITY(WIND) IS 1 METER PER SECOND OR ABOUT 2 MILES PER HOUR 147 (N)FORMULA 1 RACE CAR, 700 HORSEPOWER, CHESTPOUNDING AND SUCTION FORCE ON CALM QUIET MORNINGS CAN CLEARLY BE HEARD 6 MILES AWAY.-REF.1.1991 148 HUMAN VIBRATION VERY UNCOMFORTABLE AND SLIGHTLY PAINFUL -REF.1.1986 149 HUMAN LUNGS AND BREATHING BEGINS VIBRATING TO THE SOUND -REF.1.1986 150 (N)ROCK CONCERT “THE WHO” TWO 10 STORY STACKS = 144 DOUBLE REFRIDGERATOR SIZED SPEAKERS, ACTUAL LEVEL REACHED 120 DB AT A DISTANCE OF 32 METERS FOR THIS NORMALIZED READING OF 150 DB.CONTINOUS LEVEL 114-118db (P) AT 32 METERS -REF.1.1982 150 ROCK CONCERT SPEAKER AT 1600 WATTS ON THE ACTUAL VIBRATING SURFACE -REF.1.1991 150 HUMAN SENSATION OF BEING COMPRESSED AS IF UNDERWATER IS OVERWHELMING -REF.1.1983 150 HUMAN SOUND EXPERIMENTS DOWN TO 1 TO 2 HERTZ - REF.13. 152 HUMAN VIBRATION IS PAINUL AND ALSO FELT IN ALL JOINTS -REF.1.1983 153 HUMAN THROAT IS VIBRATING SO HARD IT IS ALMOST IMPOSSIBLE TO SWALLOW -REF.1.1983 154 TOY BALLOON POPPING, DEPENDS ON TYPE AND HOW LARGE AND HARD TO INFLATE -REF.1.1986 155 HUMAN BODY COMPRESSION AND EXPANSION TO VIBRATION IS TO THE “CORE” -REF.1.1983 155 HUMAN COOLING EFFECT IS HIGH, AS A GUESS 10 TO 25 DEGREES FARENHEIT? -REF.1.1983 156 (P)IN A MINI-VAN WITH TWENTY 12” WOOFERS AND 19,000 WATTS OF AMPLIFIER POWER. EACH SPEAKERS IS DISPLACING (PUMPING BACK AND FORTH ) 0.75 INCHES IF LONG HAIR WOMEN SIT IN IT, HER HAIR WILL FLY OUT OF WINDOW WITH BASS WINDSHIELD WIPERS FLY OFF VEHICLE 1/2 TO 2 INCHES, DOOR AND FRONT WINDSHIELD FLEXION MAY BE UP TO +-2 INCHES OR 4 INCHES PEAK TO PEAK EVEN WITH EARPLUGS (-30 DB) AND HEADMUFFS (-24 DB) = -54 DB IT’S STILL LOUD -REF.1.1997 156.498(P) = 1 CENTIMETER MERCURY = 0.01 METERS MERCURY 158 HUMAN BODY VIBRATION IS VIOLENT, NAUSEA BECOMES MORE INTENCE -REF.1.1983 158 (P)INSIDE A ROCK CONCERT SPEAKER BOX REFRIDGERATOR SIZE AT MAX. 5000 WATTS -REF.1.1983 160 (P)FLASHLIGHTS EXHIBIT ELECTROMAGNETIC PULSING-EMP (DIMMING DURING SOUND) -REF.1.1983 162 U.S. FESTIVAL ROCK CONCERT 1983. 10 SEPARATE STACKS, AMPS = 400,000 WATTS (N) -REF.1.1983,-REF.3. 163-153 (N) N.H.R.A. DRAGSTERS- 5000 TO 7000 HORSEPOWER, LIQUID NITROGLYCERIN FUEL, EARTHSHAKING AT 50 FEET, HUMANS FIND IT HARD TO SEE, AND BREATHE 140db(P) -REF.1.1987 163 (P)GLASSBREAKING LEVEL, MINIMUM, IT IS VERY HARD TO BREAK GLASS WINDOWS. MANY STORIES COME FROM BREAKING GLASS BUT IT IS HIGHLY VARIABLE: IT IS EASIER TO BREAK IF THE WINDOW ALREADY HAS A CRACK, IS VERY LARGE OR OLD AND BRITTLE AND NOT CAR SAFETY GLASS WHICH CAN FLEX MASSIVELY BEFORE BREAKING. AN OPERA SINGER AT 110 DB MAY BREAK A WINEGLASS BUT IT IS AN EXAMPLE OF FREQUENCY RESONANCE, AND NOT HIGH SOUND DB LEVEL -REF.1.1987 163 (N)OCEAN WHALE REFERENCE 2 EXP-5 NEWTONS PER SQUARE METER 164 (P)INTERNAL SOUND PRESSURE OF A LARGE JET AIRPLANE TURBINE MOTOR -REF.1.1993 164.568(P) = 1 INCH MERCURY PRESSURE 165-145 (NP) THE COMMON TYPE OF FIREWORKS AT PROFESSIONAL PYROTECHNIC SHOWS -REF.1.1988 165 (N)JET AIRPLANE, BOEING 727-15,000 LBS OF THRUST, DEPENDS ON THE TAKEOFF -REF.1.1982 165(P) MOTOR DRIVEN PISTON HEADPHONES -REF.16. 166 AIR PARTICLE VELOCITY IS 10 METERS PER SECOND OR ABOUT 20 MILES PER HOUR 170.75 PRESSURE (P) = 1 P.S.I. = 1 POUND PER SQUARE INCH MOST SOUND READINGS HIGHER THAN THIS REFER TO P.S.I. INSTEAD OF DB. BUILDINGS AND HOUSES HAVE APPROXIMATELY A 50 % CHANCE OF SURVIVAL REF.2. 171-150 (P)WORLDS LOUDEST CAR STEREOS, UP TO 80 SPEAKERS,32 CAR BATTERYS, 100,000 WATTS, 125-138 (N) 171(P) acoustic air pressure generator -ref.12 172 (N) 727, 737, 747, 757, 767 CRUSING AT 6 MILES HIGH MACH 0.84, AT THE GROUND (SEA LEVEL) LOSES AN ADDITIONAL 6 DB BECAUSE AIR DENCITY IS ONLY HALF SEA LEVEL AT A HIEGHT OF 6 MILES 172 FOG IS CREATED, DEPENDING ON THE TEMPERATURE, DEW POINT AND HUMIDITY 173-164 (P)BASS INJECTION TESTS, EXPIERIMENTAL ELECTROMAGNETIC TYPE SPEAKERS -REF.1.1987 173(P) = hydraulic, whole body dynamic pressure chamber, at 8 hertz -ref.11. 174 AIR BEGINS TO HEAT UP DUE TO COMPRESSION, MOST SHOCK WAVES ARE VERY HOT 174(P) LOUDSPEAKER COUPLED MANOMETER HEADPHONES DOWN TO 1 HERTZ -REF.15. 175 (N) QUARTER DYNAMITE STICK, VERY CLOSE PRESSURE MAY EXCEED 210 db (P) 175.8(P) 1 TON T.N.T. AT 250 FEET 177 (P) = 2 P.S.I., DAMAGE TO STRUCTURES ARE SIGNIFICANT, 30% SURVIVAL -REF.2. 180 (P) 1 POUND T.N.T. AT 15 FEET -REF.4. 180 (P) = 3 P.S.I., DAMAGE TO STRUCTURES IS CATASTROPHIC, WHEN A SHOCK -REF.2. WAVE HITS A STRUCTURE ITS MOMENTUM AND PRESSURE MORE THAN DOUBLES, ESPECIALLY AT HIGHER DB LEVELS, DYNAMIC WIND IS ABOUT 103 MILE / HOUR AND CAUSES A LARGE PORTION OF DAMAGE, 15 % OBJECT SURVIVAL -REF.2. 180 (P) = MOTOR DRIVE COUPLED MANOMETER STATIC PRESSURE, 165 DB(P) UP TO 50 HERTZ, -REF.14. 182 (P) 1 TON T.N.T AT 150 FEET, EXACTLY 182.2 DB -REF.4. 183 (P) = 6 P.S.I. TOTAL DESTRUCTION OF ALL STRUCTURES, PARTICLE VELOCITY (BLAST WIND) IS 180 MILES PER HOUR. 0.9 MILES FROM HIROSHIMA ATOMIC BOMB AND 3.3 MILES FROM 1MEGATON NUCLEAR BOMB, LESS 0.1 % OBJECT SURVIVAL -REF.2. 185.75 (NP) 0.375 POUNDS OF T.N.T. RIECHTER -1.5 186.1(P) 1 POUND T.N.T AT DISTANCE OF 10 FEET -REF.4. 187 (P) 1 TON T.N.T. AT 100 FEET, EXACTLY 186.8 DB -REF.4. 190.60 (NP) RIECHTER SCALE 0 (ZERO) EARTHQUAKE 190.60 (NP) 2.0000 POUNDS T.N.T. 191 (N)BOMB-VERY SMALL 1 LB. OR GRENADE, VERY CLOSE PRESSURE MAY EXCEED 210 db (P) 193.806(P) = 1 KILOGRAM PER SQUARE CENTIMETER 193.979(P) = 1 BAR PRESSURE = 14.504 POUNDS PER SQUARE INCH = 14.504 P.S.I. 194.09(P) = 1 (ONE) AIR ATMOSPHERE = 14.6962 POUNDS PER SQUARE INCH = 14.6962 P.S.I.= 1 ATM SOUND WAVES DISTORT AND ARE NOW DEFINED AS SHOCK WAVES AND THEY BEGIN TO FOLLOW SHOCK WAVE BEHAVIOR. PARTICLE VELOCITY (BLAST WIND) = 590 FEET / SECOND = 180 METERS PER SECOND = 402 MILES PER HOUR. -REF.2. 194.1(P)EXACTLY, 1 POUND T.N.T. AT 6 FEET -REF.4. 195-190 (P) HUMAN EARDRUMS RUPTURE 50 % OF TIME -REF.2. 195.2(P) 1 TON T.N.T. AT 60 FEET -REF.4. 200.59 (NP) 63.24 POUNDS OF T.N.T., RIECHTER SCALE 1 |
#141
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Quote:
Mine was 101db at 5250rpm when tested at Goodwood, so would be good to compare as well. |
#142
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If yours is 101 dread to think what mine is then
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Part of the team who created one of the largest subaru convoys to hit Brighton |
#143
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Yeah mine is very quiet, wanted a quiet one so i wouldn't get any problems in track days!!!
When it was tested at Snetterton in October it was 87db, then 88db at Brands in Feb |
#144
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That was 101 with the new Tornado 2 backbox, would expect my Prodrive backbox to be under 100
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#145
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THE ABOVE FIGURES SOUND VERY LOUD
Mine was 97dB at Goodwood, scoobysport downpipe, centre section and tsl grp n rear box. |
#146
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Guys another thing is when you get tested at a track day they nearly always wander up and point the meter at the rear of car and thats it, when we tested at half a meter it was so surprising just how close that is.
I will bring the meter with cal cert to brands just to prove a point if anyone gets pulled. Wonder if they get theres calibrated every year! Also if your in a queue of cars and tested the db level will be considerably diferent to a test taken with no solid objects near by. Is a shame i didnt grab our 94db signal generator to confirm the acuracy of the meter, but its cal is in date so should be fine. I know i have been to track days at brands where evo's have been loud to say the least and they spent all day out there! |
#147
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If you think your exhaust will be borderline i'd say do it anyway, i am sure you'll be fine |
#148
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Couldnt agree more
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#149
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Will be booking mine sunday (might even see if i can book it while i'm up there).....fingers crossed
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#150
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bump, reminder that if you want to come to Brands, you can get your car noise tested at Pease Pottage services today between 12-1pm (just look for the large gathering of Subarus )
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