Steering Damper

[Agemax]

another shot with the damper upside down. There are only two contacts in the connector.

probably wrong completely here but if there are only 2 contacts and it is controlled by the ECU then would 1 be a voltage sent to the damper to adjust it and the other a feed back to the ECU?
that could make it real easy to hard wire it to a potentiometer

[posplayr]

probably wrong completely here but if there are only 2 contacts and it is controlled by the ECU then would 1 be a voltage sent to the damper to adjust it and the other a feed back to the ECU?
that could make it real easy to hard wire it to a potentiometer

I'm sure one is positive and the other is a ground. Do you know if the dzmpner has just two settings or is it continuously variable? I can do some testing with the one I have using z variable power supply. Give me a couple of days.

[Agemax]

I'm sure one is positive and the other is a ground. Do you know if the dzmpner has just two settings or is it continuously variable? I can do some testing with the one I have using z variable power supply. Give me a couple of days.

from what i can gather off the internet it is variable with a max of 6.5v.
0v = no damping, 6.5v = max damping. anything over 6.5v has no further effect

[posplayr]

from what i can gather off the internet it is variable with a max of 6.5v.
0v = no damping, 6.5v = max damping. anything over 6.5v has no further effect

I just tested with the power supply and that is probably correct. I could not tell the difference between 6V and 12V just pulling in and out. It is about a 12 ohm coil in the damper.

So how would you propose setting it up? With an ECM so you can pickup speed and vary the damping with speed or the simplest is to put a switch on the handlebars to just switch it on when needed.

The easiest way to detect speed might be with a hot wire anemometer to sense air flow.

Something like this

http://shop.moderndevice.com/products/wind-sensor

[Agemax]

i was thinking a small dash mounted potentiometer to adjust it from zero to full damping with increments in between.
i am not interested in speed related adjustment, just what i want to set it at

[posplayr]

You need to find the right parts based on the damper coil resistance. Mine is about 12 ohms. You need a discrete resistor and an adjustable pot both about 12 ohms to match the coil in the damper. If you can't find these you can do it with an op amp and any pot but more resistors.

this is small and unobtrusive

http://www.westfloridacomponents.com/P110/10+ohm+Trimmer+Trim+Pot+Variable+Resistor+3106Y.html

[posplayr]

from what i can gather off the internet it is variable with a max of 6.5v.
0v = no damping, 6.5v = max damping. anything over 6.5v has no further effect

do you have any links showing the setup?

[Agemax]

cheers Pos,that looks easy enough.will have to buy a pot with a nice "nob" on it for easier adjustment,
just have to look out for another cheap damper on ebay now

[Agemax]

do you have any links showing the setup?

i will see if i can find it again

[salty_monk]

The Honda HESD one is also 6.5v with no benefit being felt above this.
Was quite high in current draw from the research I did. There is a parts list on the link I posted.

http://www.1000rr.net/forums/showthread.php?t=59013

You need a voltage regulator that can handle about 1.5amps from memory.

Parts are about 20 quid out here in the US. I don't see why the same bunch of bits wouldn't work for the GSXR one too.

[Agemax]

i am on the hunt for a reasonably priced damper on ebay as we speak!

[posplayr]

The Honda HESD one is also 6.5v with no benefit being felt above this.
Was quite high in current draw from the research I did. There is a parts list on the link I posted.

http://www.1000rr.net/forums/showthread.php?t=59013

You need a voltage regulator that can handle about 1.5amps from memory.

Parts are about 20 quid out here in the US. I don't see why the same bunch of bits wouldn't work for the GSXR one too.

I suspect that the reason this is so elaborate is two fold
a.) to get a ergonomically pleasing knob adjust you can't find a 10 ohm pot.
b.) a simple op amp wont work because of the almost 1 amp of current required.

Using the simple schematic I provided will likely work, you will just have to adjust it with a screw driver occasionally till you get it where you want it.

[Agemax]

i was hoping to have it easily adjustable whilst riding so you can wind it down when pottering round town and then increasing it as i come out of town and the roads become faster and twistier

[salty_monk]

I have one of these Honda dampers. $12 shipped if anyone wants it. Never got around to messing with it, just sat on the shelf.

The Honda HESD one is also 6.5v with no benefit being felt above this.
Was quite high in current draw from the research I did. There is a parts list on the link I posted.

http://www.1000rr.net/forums/showthread.php?t=59013

You need a voltage regulator that can handle about 1.5amps from memory.