speedo

Submitted: Tuesday, Aug 26, 2014 at 19:48
ThreadID: 109291 Views:2036 Replies:6 FollowUps:12
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where can i get the speedo on my ranger ,checked for accurary in melbournes eastern suburbs,?do not have a gps at the moment,thanks barry
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Reply By: Ross M - Tuesday, Aug 26, 2014 at 19:58

Tuesday, Aug 26, 2014 at 19:58
Barry
Do you have access to a Smartphone or someone who has a smartphone?
Most will display the speed via their GPS satellite signals.
That may help.
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Reply By: Member - Murray R (VIC) - Tuesday, Aug 26, 2014 at 21:01

Tuesday, Aug 26, 2014 at 21:01
Barry
If you don't have a smartphone just use your or someones GPS. You will get a true speed reading to compare to your speedo reading.Used this way to check mine after fitting bigger tyres and it reads 5km slow at 100km.

Murray
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AnswerID: 538210

Follow Up By: MUZBRY- Life member(Vic) - Wednesday, Aug 27, 2014 at 07:35

Wednesday, Aug 27, 2014 at 07:35
Good morning Murray
You will have the tyre police on your back old son, you just cant change tyres without an engineers certificate and advice from all the people that know better about this subject than you. What pressure are you using and are they light truck? Do you let them down in the morning before the sun shines? Are they the rite brand for the majority of the work you do , and will they slide you off the road on the first wet corner ? The mind boggles with the problems you may encounter...split side walls , tread knobs breaking off , noisy on the bitumen , overheating and blowing out. It goes on and on .
Enjoy your day .


Muzbry
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Follow Up By: Bludge - Wednesday, Aug 27, 2014 at 08:35

Wednesday, Aug 27, 2014 at 08:35
Muzbury,

Wittybix this morning :)
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Follow Up By: Ross M - Wednesday, Aug 27, 2014 at 11:12

Wednesday, Aug 27, 2014 at 11:12
Go easy on the RED, Muz! What is a rite tyre, I have seen some which have been given the last rites.
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Follow Up By: MUZBRY- Life member(Vic) - Wednesday, Aug 27, 2014 at 14:16

Wednesday, Aug 27, 2014 at 14:16
Gday Ross
Did i use the wrong rite? I could have said "right "which is the off side of your vehicle , or "write" which is pen to paper , so which is the rite rite to use ?
Muzbry
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Follow Up By: Ross M - Wednesday, Aug 27, 2014 at 14:48

Wednesday, Aug 27, 2014 at 14:48
Some of the right tyres would be left tyres and the spare 1/2 & 1/2 sort of undecided.

OFF SIDE seems a bit soccer to me.

Off side is for 'Orses isn't it.
Not sure why off side is used with motor vehicles as we don't dismount on the left ie, off side.
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Follow Up By: Dave(NSW) - Wednesday, Aug 27, 2014 at 16:38

Wednesday, Aug 27, 2014 at 16:38
Muz,
You forgot to mention if the white writing goes on the inside or the out side or maybe inside on the passenger side and outside on the drivers side.
Cheers Dave
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Follow Up By: 671 - Thursday, Aug 28, 2014 at 13:19

Thursday, Aug 28, 2014 at 13:19
Ross M posted:
Not sure why off side is used with motor vehicles as we don't dismount on the left ie, off side.

------------------------------------------------------

Off side and near side were very commonly used terms when I started working as an apprentice mechanic in 1961. They are most likely still used today. They simply mean near the gutter (near side) or away from the gutter (off side). They save confusion by referring to the side of a car as left or right.
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Follow Up By: Member - Bruce C (NSW) - Thursday, Aug 28, 2014 at 14:04

Thursday, Aug 28, 2014 at 14:04
Hi 671,

Wouldn't that be the other way around.

The passenger or assistant in a truck is referred to as the "offsider".

That would make the left side the "off side" wouldn't it???

I don't really know what is correct but that is what I have always been lead to believe.

I would expect that it is a carry over from the coaching days or carts and drays where the assistant sat on the left side of the dray, or the getting on and off side

Cheers, Bruce
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Follow Up By: Member - Murray R (VIC) - Thursday, Aug 28, 2014 at 19:44

Thursday, Aug 28, 2014 at 19:44
Muz
Looks like I better put my standard tyres back on and have the writing on the outside and make shaw I don't disebark from the off side.

Murray

PS My speedo would still read wrong anyway
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Follow Up By: 671 - Thursday, Aug 28, 2014 at 21:38

Thursday, Aug 28, 2014 at 21:38
Bruce C (NSW) posted:

Wouldn't that be the other way around.

The passenger or assistant in a truck is referred to as the "offsider".
---------------------------------------------------------------------------------------

It might be to people driving trucks but in the motor industry it has nothing to do with who is sitting where.

You could be driving a truck and bend the passenger side steering arm for example. You would order a near side steering arm. If you asked for an off side one because your offsider was sitting there, you would get one for the driver's side.

The moment you bring left and right side into it, you have people looking at the car from behind and calling the passenger side the left side while another standing in front with the bonnet up would call it the right side.

That is why I have seen countless parts with identifying messages like N/S/F (near side front) or O/S/R (off side rear) hand written on them.

Even when writing job cards for the workshop, I would write directions like " Check for N/S/R knocking noise on rough surfaces" The mechanics would then go looking for things like worn shock bushes etc. down the back on the side nearest the gutter or in laymen's terms, the passenger side.
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Reply By: Iza B - Wednesday, Aug 27, 2014 at 06:58

Wednesday, Aug 27, 2014 at 06:58
Smart phone or iPad App would be the quickest and probably easiest to organised. A slightly slower, and more expensive, way would to be to use one of the fixed speed camera locations.

Iza
AnswerID: 538215

Follow Up By: Ross M - Wednesday, Aug 27, 2014 at 11:14

Wednesday, Aug 27, 2014 at 11:14
If you do 110 in a 80 zone a nice policeman will tell you what speed you are doing. Not a cheap method though.
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Reply By: The Bantam - Wednesday, Aug 27, 2014 at 18:12

Wednesday, Aug 27, 2014 at 18:12
If you have a reliable and accurate GPS unit......I am not so sure about the smart phones...you can check your speed pretty accurately.

HOWever.....make sure you are doing a steady speed, on a flat road, in a straight line and with clear sky outlook.

GPS speed readings can be very accurate, but there are some limitations associated with sample time, refresh times and latency.

cheers
AnswerID: 538229

Reply By: Bigfish - Thursday, Aug 28, 2014 at 05:11

Thursday, Aug 28, 2014 at 05:11
I run a gps and a smartphone at the same time in the car. Both give identical speed readings and I use these rather than relying on the speedo which consistently reads 5-8 kph under speed. Driving up or down hills, thru overhanging trees will give a different reading(not accurate).
AnswerID: 538238

Reply By: Erad - Thursday, Aug 28, 2014 at 09:13

Thursday, Aug 28, 2014 at 09:13
If you can find a stretch of road with an odometer check, you can time yourself over the 5 km. Set yourself on 100 km/h, and note the time as you pass the zero marker. At 100 km/h, it takes exactly 3 minutes (180 seconds). 200 seconds is 90 km/h, and 222 sec is 80 km/h. You can interpolate if you , say get 190 seconds, it is 94.7 km/h. The formula for a 5 km timed stretch is
Speed = 18000/time(seconds).

The hardest thing is to find a calibrated 5 km stretch, and then to be able to set a speed and hold it at that without someone making you slow down. You have to use the calibrated distance markers, not your odometer because that will probably be wrong, especially if you have non-standard tyres.
AnswerID: 538250

Follow Up By: Iza B - Thursday, Aug 28, 2014 at 14:54

Thursday, Aug 28, 2014 at 14:54
Standard tyres are included in the problem. My DMax speedo is 8% over straight from the dealer. The odomotor is 3% over in standard trim.

Iza
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