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Flow bench

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(@andrew)
Posts: 30
Member
Topic starter
 

So I'm sure they Dyno controller can be called a resounding success, Hats of to you Jostein, And for me to only question now is when do we start a flow bench package. The existing box is already capable of doing the job, just a little software needed. What a perfect mate for your Dyno (no pun intended).

 

 
Posted : 14/04/2023 1:22 pm
Jostein and MikeFries reacted
(@admin)
Posts: 1400
Member Admin
 

Nice! Yes, you can read frequency channels with YourDyno, and convert this to a flow channel. Let me know if you want to discuss any details.

 
Posted : 16/04/2023 12:12 pm
(@andrew)
Posts: 30
Member
Topic starter
 

I was thinking a dedicated box, your existing box with two pressure sensors built in and another to measure velocity. Yes an air flow meter for low flow ranges. you can also measure swirl and tumble. Your practically there. Dedicated software shouldnt be too hard. Just like another manufacturers box and software package, but better. Its easy for me to say all this but I realy think It would be a perfect project to build from what you have working.

 
Posted : 18/04/2023 10:46 am
(@james-meyers)
Posts: 56
Member
 

Also take a look at PTS Flowbench, has a really nice setup for flowbenches.  I use Bruce's setup on my flowbench and it works awesome just like the YourDyno system on the dyno!!

http://www.flowbenchtech.com/

 

 
Posted : 18/04/2023 4:16 pm
boroko reacted
(@rub87)
Posts: 25
Member
 

A friend of me also has built a flow bench and the key is to have high quality pressure sensors that remain stable and are accurate. We went in the end for the TE HCLA series sensors with i2c output. Instead of using a zillion china vacuum motors like superflow does we use a side channel compressor from scap (about 100 euro if you look out a bit) around 5 kW with a VFD. the rpm is closed loop controlled to maintain 28' water or whatever test pressure is desired. with a set of valves as used on swimming pools we can do both in or outlet mode. the bench uses 3 orifice sizes which can be openened or closed with flaps much like a wastegate flap but then with a rubber sheet so its fully airtight. So it can measure a small head like from a 50cc honda up to a big block head with 2' valves with good accuracy and repeatability.

 
Posted : 17/05/2023 11:45 pm
Jostein reacted
(@andrew)
Posts: 30
Member
Topic starter
 

@rub87 Here is a bench I built which I am considering building a your dyno logger to replace what I have. http://swarfman64.blogspot.com/2023/03/diy-flow-bench.html

 
Posted : 18/05/2023 11:54 am
(@rub87)
Posts: 25
Member
 

Looking sweet! Our blower is a bit bigger. Makes it a bit easier on the ears if you can spin it slower

 
Posted : 18/05/2023 8:20 pm
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