BMW K bikes (Bricks)

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daveyson

daveyson
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Extra lines at  50 km/h, 150 km/h and 220 km/h whats that about?

On the Imperial speedo 40 mph, 80 mph and 135 mph, that's not a match.

The least dumb idea I'm thinking is in a race third gear would be ideal between 50 and 150, then go straight to fifth until max. revs at about 220 km/h. That's different to Imperial. Can anyone into racing shed light on this?

Not good at refining searches but googled a bit, and found a car speedo (BMW 318) with marks at 130 km/h and 65 km/h (that's half 130) and 40 mph is half of 80. No idea what this means.

40 mph=64 km/h, 80 mph=129 km/h 135 mph=217 km/h. The 135 marks are a bit off centre so maybe say 220 km/h, so at least that's about the same.

I'll guess the metric speedos are the same in all countries with metric, and same with imperial.

I've got a vague thought the speed limits in Germany were  50 max. in towns and 150 min. in the second lane on the autobahns, yep that's another crappy guess, doesn't meld with the car speedo.

Can anyone shed any light, or any more confusion?

Speedometer extra lines on speedo whats the go? Bmw_k111


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11/1985 bmw k100rt (late model)  Vin. 0090567
    

TacKler

TacKler
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The 50 km/hr is probably a European thing as that is a common speed limit there compared to our 60 km/hr here.


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Red 1991 K75S
    

charlie99

charlie99
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@TacKler wrote:The 50 km/hr is probably a European thing as that is a common speed limit there compared to our 60 km/hr here.
yeah i guess the same , for us aussies the local in town speed limit was bumped up from 35 to about 40 mph with the metric conversion taking hold (60 kph ) , but many countries was 35 mph 

just like back in the 60s , you couldnt find a speedo  in any vehicle that read above 80 miles an hour , by law in many counties ,  even if the top speed of the vehicle  was way above that ....


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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OSpeedometer extra lines on speedo whats the go? Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

Ringfad

Ringfad
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Can anyone shed any light, or any more confusion?


K1's have a fourth set of lines


The extra set at 160 mph on the MPH clock and 260 kmh on the Km clock 


Speedometer extra lines on speedo whats the go? K1_mph10


Speedometer extra lines on speedo whats the go? K1_kmh10


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Speedometer extra lines on speedo whats the go? Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 51K Km     ;BMW; K1100RS Red 1993 60k miles   ;BMW; K100 16V Black (ex ElectricMonk)  ;BMW;  K1100LT (Swiss) now a RS
    

stanthomas

stanthomas
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I believe they're calibration marks.


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K100RS 16V '91
R100RS '81
Norton Commando '74
Eunos Roadster '90
    

6Back to top Go down   Speedometer extra lines on speedo whats the go? Empty Speedo extra lines on Thu Nov 05, 2020 1:46 pm

daveyson

daveyson
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OK I think the calibration answer ticks all the boxes.

From another thread I've just read that the speedo may have been checked for accuracy at different frequencies to fall within the extra lines.

Thanks everyone.


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Perhaps it's just more things to do/enquire about/puzzle over during lockdown...


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Sometimes I lie awake at night, and I ask, "What can I do to keep my life from going by so fast?" Then a voice comes to me that says, "Try slowing down at the corners." 

~Charlie Brown

1970 R60/5, '77 R75/7-R100, '85 K100'87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-Polizei  - Beemers owned still or sold.

    

8Back to top Go down   Speedometer extra lines on speedo whats the go? Empty Speedo on Sat Nov 07, 2020 3:57 am

daveyson

daveyson
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Yep it's one of those things I probably shouldn't wonder about but sometimes did. Aren't these forums great where you can point to something so small and get help to understand it.

That's the power of thousands of brick riders putting our heads together to help each other out.


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11/1985 bmw k100rt (late model)  Vin. 0090567
    

brickrider2

brickrider2
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All right!  
Now, shall we take up the question of the horizontal orange lines on the headlight covers of the R100RS and R100RT models?   Razz


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1996 K1100LT
    

Ringfad

Ringfad
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I was thinking what do the numbers mean below the tripmeter k=4784 etc.


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Speedometer extra lines on speedo whats the go? Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 51K Km     ;BMW; K1100RS Red 1993 60k miles   ;BMW; K100 16V Black (ex ElectricMonk)  ;BMW;  K1100LT (Swiss) now a RS
    

robmack

robmack
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My guess is it could be a part number.  Who knows.


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Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

12Back to top Go down   Speedometer extra lines on speedo whats the go? Empty Calibration marks on Wed Nov 11, 2020 3:19 pm

Bumblebee

Bumblebee
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I have it on good authority these are indeed calibration marks.  These are used to check the calibration of the speeds in a production environment.

Bumblebee.

http://Bugsmashers.org/phpbb
    

Gopher Baroque

Gopher Baroque
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New member
Prior experience is the lines are used for calibration. The needle should match the line when a certain (frequency) signal is applied.

    

Gopher Baroque

Gopher Baroque
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Agree with bumblebee. The needle should match the line when a certain (frequency) signal is applied.

    

ruben

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@Ringfad wrote:I was thinking what do the numbers mean below the tripmeter k=4784 etc.
That K number is to calibrate the distance. I used that factor for my motometer conversion.

    

16Back to top Go down   Speedometer extra lines on speedo whats the go? Empty Speedo on Fri Nov 13, 2020 2:54 am

daveyson

daveyson
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How is the number used for distance?

Do I understand it right that at a certain frequency for example, the needle should fall between the two extra lines at say 50km/h?


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11/1985 bmw k100rt (late model)  Vin. 0090567
    

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