Bosch FLA-203  

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(@daiyu)
Member

Hi

I am making a chassis dyno system based on Bosch FLA - 203.
It is dyno equipped with two rollers and a eddy current brake.
Is yourdyno software available on that system?
I think it is necessary to set the inertia of the roller and the axle.
Can it be set by software?

thank's

 

Quote
Posted : 09/02/2017 6:47 pm
(@admin)
Member Admin

--

Note that this is an old reply. YourDyno now supports inertia compensation for brake dynos.

---

Hi,

The system supports both brake and inertia dynos, but not at the same time, you need to select one of them in the software. For a brake dyno there is always an inertia component that will be unaccounted for. This component is small unless you have fast ramp rates and/or have very heavy rollers compared with the horsepower. I don't know the roller weight of the Bosch dyno, but typically they try to make them light to minimize this error.

I can upload an excel file later today to that you can play with to calculate the error. Typically it is small.

How is the brake controlled?

Cheers,
Jostein

ReplyQuote
Posted : 09/02/2017 7:27 pm
(@admin)
Member Admin

Hi, 

Here is a calculator to play with to see the effect of the weight of the rollers on a brake dyno. You can edit the green fields.

Even the weight of the wheels of the car matters a little bit. But in practice you just extend the length of the run and it will be a very small error. For steady state of course it does not matter at all. 

Cheers,
Jostein

ReplyQuote
Posted : 10/02/2017 12:20 am
(@daiyu)
Member

Hi

The power supply unit for brake control chose frenelsa.
It is still under construction.

thank's

 

ReplyQuote
Posted : 10/02/2017 9:36 am
(@danielli)
Member

Hi,

Does anyone know how to open Bosch FLA - 203 service menu? or have any relevant documentation?

I  want to tune printer settings (Epson, HP, etc...).

Thanks,

Daniel

 

ReplyQuote
Posted : 28/08/2017 7:10 am
(@xtcund)
Member

Has anyone already succeded in using this with the fla203? I also have one and I would love to convert it to your software/controller.

 

Thank you

ReplyQuote
Posted : 29/09/2017 1:58 pm
(@xtcund)
Member

any replies??

ReplyQuote
Posted : 01/02/2018 12:38 pm
(@admin)
Member Admin

Hi,

The FLA203 is YourDyno's main test system! It works perfectly with YourDyno. See:  https://www.youtube.com/watch?v=UAlMACLq3WY&list=PLY0Jbm3PZ_IO-M92mTdyAIMQs6HU-xLJP&index=1   for the upgrade process.

Note that YourDyno now supports compensation for inertia. The moment of Inertia for this dyno is 10.7kg m^2. See https://www.youtube.com/watch?v=0RVmxpCk0SE

Cheers,
Jostein

 

ReplyQuote
Posted : 02/02/2018 6:18 pm
(@xtcund)
Member

Hi Jostein,

 

Thank you very much for your reply.

We are very interested in using your software/hardware immediately. Can you please send us a proforma for our email and we can discuss everything from there? We want to buy the whole pack.  URGENT

 

luismatos@mkkperformance.com

ReplyQuote
Posted : 03/02/2018 6:12 pm
(@richie)
Member

Hi Jostein,

I've almost ordered your system today, but would like to be sure I'm ordering all that I need.
I also have an FLA206, but would like to use it in 2wd mode now like FLA203. 
Could you help me with a draw or CNC file of the new rpm wheel, or do you have a wheel for sale?
Please send here a link about the  0-5V to 0-10V panel.
My company has EU VAT, do you invoice on net price or is there a +tax at the checkout?
I couldn't find a demo run csv, may I have one please?

Your project is amazing, I've read all about it this evening, cheers from Hungary

Richie

 

 

ReplyQuote
Posted : 17/06/2018 11:57 pm
mwogren13 liked
(@admin)
Member Admin

Hi,

Here is an example of a trigger wheel you can machine:  https://yourdyno.com/20ToothTriggerWheel.DXF

But there are trigger wheels to be bought also, see  https://yourdyno.com/the-trigger-wheel/

The price is of the unit is without tax. You will normally have to pay sales tax as part of the import to your country.

You can try out  https://yourdyno.com/DemoRun2.csv to test the software. 

Cheers

 

ReplyQuote
Posted : 28/06/2018 11:32 pm
(@madsschristiansen)
Member Customer

Hi guys,

 

I've recently bought a yourdyno box an is running it on my FLA-203 which runs in only intertia mode - brake is not fitted.

 

It work perfect and I used the standard trigger wheels, but removed every second tooth so it now is a 50 teeth wheel.

 

 

ReplyQuote
Posted : 25/07/2018 7:19 am
admin liked
(@dpt360electronic)
Member Customer
Posted by: madsschristiansen

Hi guys,

 

I've recently bought a yourdyno box an is running it on my FLA-203 which runs in only intertia mode - brake is not fitted.

 

It work perfect and I used the standard trigger wheels, but removed every second tooth so it now is a 50 teeth wheel.

 

 

Hi, did you remove them from both pulleys? or only one, i have the same fla203 but with eddie curr brake, i imagine will work as good this solution?

if anyone has good source for AD8608 OPAMP in europe please post link or info.

thanks.

ReplyQuote
Posted : 11/06/2019 1:51 pm
(@madsschristiansen)
Member Customer

I am only using the pulley on the roller in front - the right solution was probably to use both, but the power I see on the dyno doesnt require it I guess.

 

I am looking for a brake to fit, to get it back to the original state with eddy. It works fine but run time is quite fast with more than 180 hp.

ReplyQuote
Posted : 13/06/2019 1:38 pm
(@dpt360electronic)
Member Customer

Working equivalence for OPamp is lmc6041IN from texs instruments. thanks admin.

ReplyQuote
Posted : 18/06/2019 4:38 pm
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