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Old Aug 21st 2019, 05:38 AM   #21
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Also curious, if this happens again and the dash lights up with traction control, abs lights etc, are those systems shut off? Basically wondering if I can keep riding and shift manually or if I should consider shutting it down because all aids are off.
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Old Aug 21st 2019, 12:01 PM   #22
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Originally Posted by rja4z3 View Post
Also curious, if this happens again and the dash lights up with traction control, abs lights etc, are those systems shut off? Basically wondering if I can keep riding and shift manually or if I should consider shutting it down because all aids are off.
I think the systems remain active to a certain point - but everything that is gear related shuts off - ABS should work, however DQS shuts off and DTC is in 'safe' mode. The bike is rideable, but I was worried to ride it properly.

As far as the spacers go - I will install them on the new sensor, as this one is already 'fried'. Also I am planning on using a cooler, but I will show pictures and video as soon as the new one arrives.
edit
:since we will be manufacturing the spacers, we will decide on material, but I will definitely check out your idea - seems really on-point.

Last edited by Bai Mityo; Aug 21st 2019 at 12:05 PM.
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Old Aug 21st 2019, 04:51 PM   #23
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Originally Posted by Bai Mityo View Post
I think the systems remain active to a certain point - but everything that is gear related shuts off - ABS should work, however DQS shuts off and DTC is in 'safe' mode. The bike is rideable, but I was worried to ride it properly.

As far as the spacers go - I will install them on the new sensor, as this one is already 'fried'. Also I am planning on using a cooler, but I will show pictures and video as soon as the new one arrives.
edit
:since we will be manufacturing the spacers, we will decide on material, but I will definitely check out your idea - seems really on-point.
Are you talking about phenolic (heat shield) spacers that I suggested? Please let us know what happens and what you wound up choosing for the spacers. Thanks.

San
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Old Sep 1st 2019, 07:38 AM   #24
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Hello guys,

It has been awhile, but here is the current state of affairs.

From the two sensors ordered the second hand one arrived, and the new 'Ducati' one we are still waiting on.

The second hand one has undergone some modifications in order to help with the heat transfer from the engine. The cooling is done in order to achieve desirable behavior and avoid 'frying the sensor a third time.

So what we did:
We took a CPU cooling radiator, some high quality thermal paste to help with the heat transfer between the sensor and the radiator and we crafted two spacers in order to help with the heat not being transferred directly from the gearbox casing to the sensor.


Here is the sensor with the thermal paste installed:


Here is the sensor with all the 'improvements':





Here is the finished bike improvement (mounted on the bike):


I just returned from a two-day track test with ambient temperature of 38 degrees Celsius (100 Fahrenheit). I am happy to announce that 300 miles later the sensor is still operational and works like a charm!

Also, there was no problem whatsoever with gear detection and indication.

I am not sure if all these precautionary actions are necessary in order to keep it functioning, but what I know is that traveling to a track-day and realizing you can't ride is very unwanted situation for everyone.

I hope this helps someone else too!

Thank you for all the help and community feedback guys. Stay safe!
Thanks from oldmansan and Pete T
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Old Sep 1st 2019, 08:51 PM   #25
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Originally Posted by Bai Mityo View Post
Hello guys,

It has been awhile, but here is the current state of affairs.

From the two sensors ordered the second hand one arrived, and the new 'Ducati' one we are still waiting on.

The second hand one has undergone some modifications in order to help with the heat transfer from the engine. The cooling is done in order to achieve desirable behavior and avoid 'frying the sensor a third time.

So what we did:
We took a CPU cooling radiator, some high quality thermal paste to help with the heat transfer between the sensor and the radiator and we crafted two spacers in order to help with the heat not being transferred directly from the gearbox casing to the sensor.


Here is the finished bike improvement (mounted on the bike):


I just returned from a two-day track test with ambient temperature of 38 degrees Celsius (100 Fahrenheit). I am happy to announce that 300 miles later the sensor is still operational and works like a charm!

Also, there was no problem whatsoever with gear detection and indication.

I am not sure if all these precautionary actions are necessary in order to keep it functioning, but what I know is that traveling to a track-day and realizing you can't ride is very unwanted situation for everyone.

I hope this helps someone else too!

Thank you for all the help and community feedback guys. Stay safe!
The spacers are phenolic, right? If I have this issue the first thing I'll try is just the spacers, then a heat sink if needed. Thanks!

San
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Old Sep 3rd 2019, 12:54 AM   #26
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Hello oldmansan,

The spacers were cut from a material for gaskets called Klinger I beleive (like this one: https://www.par-group.co.uk/sealing-...ket-materials/. We did this in order for it not to deform under the severe hot conditions.

A little longer bolts are needed - we used stainless steel, as it is the material with least thermal conductivity, thus protecting the sensor even further.

I hope this helps!
Thanks from oldmansan
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Old Sep 3rd 2019, 05:30 AM   #27
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For what it’s worth. From my experience of building high-end overclocked PCs the air gap on the part will act as an insulator and not as a heat exchanger. Thermal pastes are only useful in very tight clearances.
The air gap you created using spacers should significantly help by preventing direct heat transfer.
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Old Sep 6th 2019, 10:39 PM   #28
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Originally Posted by Bai Mityo View Post
Hello oldmansan,

The spacers were cut from a material for gaskets called Klinger I beleive (like this one: https://www.par-group.co.uk/sealing-...ket-materials/. We did this in order for it not to deform under the severe hot conditions.

A little longer bolts are needed - we used stainless steel, as it is the material with least thermal conductivity, thus protecting the sensor even further.

I hope this helps!
Thank you Sir!

San
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