bicycling with OpenMoko

Joerg Reisenweber joerg at
Tue Apr 28 18:16:06 CEST 2009

Am So  26. April 2009 schrieb Robin Paulson:
> 2009/4/26 ivvmm <unachievable at>:
> > But there seems to be one thing against putting OpenMoko on handlebars.
> > The vibrations that come from a wheel could be(and it seems it will be)
> > killing for the device to drive through the forest or say off-road. It
> > seems to be much safer for a device to put it in jacket or coat.
> i'm not convinced you're going to do too much damage - moving parts
> would be the worst affected by sustained vibration
> it wouldn't need much in the way of damping, say some foam padding
> between the clamp and freerunner, to reduce any vibration to nearly
> zero
> it would be very helpful of openmoko, to release any technical docs
> for the mechanical side of the phone, i.e. the acceleration values
> it's designed to, so we can make a more scientific assessment of what
> sort of damping it needs

FR is designed to withstand a droptest of 80cm (iirc) to concrete. There are 
no moveable parts inside except battery (which might be a good idea to add a 
*thin* layer of foam to fix it for good) and vibrator (and speaker 
I don't think bicycle vibrations / impact is a big issue.

Nevertheless care about proper protection against rain or put FR in a pocket 
on first drop. Water resistance wasn't a design parameter.

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