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Home > General Chat > pulse generator on the cheap

robert

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6745 Posts
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uranus


we all like cheap solutions, so i thought i would show you all something i just knocked up this morning .


i needed a variable speed toothed wheel, with a vr sensor on it, to simulate a rolling road signal to test my newly donated chassis dyno soft/hardware ...



voila...














*smiley*

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Rod S

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5988 Posts
Member #: 2024
Formally Retired

Rural Suffolk

No Theo in the photo inspecting said strange contraption so abject fail.

And what on earth is an overseas mains adapter doing in a kitchen in Oxfordshire?

Schrödinger's cat - so which one am I ???


TurboDave16V
Forum Mod

10980 Posts
Member #: 17
***16***

SouthPark, Colorado

This post confuses me.

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



Nic

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9317 Posts
Member #: 59
First mini turbo to get in the 12's & site perv

Herefordshire

On 2nd Apr, 2018 Rod S said:
No Theo in the photo inspecting said strange contraption so abject fail


He is present in the top photo, obviously watching from afar whilst keeping one eye on the moles


Jay#2

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2500 Posts
Member #: 648
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Northern Ireland (ex AUS)

Seriously, if you had your own I'll-show-you-how-to-make-crazy-random-stuff type TV show, I'd totally watch it.

On 7th Nov, 2008 Nic said:
naeJ
m
!!!!!!sdrawkcab si gnihtyreve ?droabyekym ot deneppah sah tahw ayhwdd


robert

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6745 Posts
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uranus

hahaha thank you jay , i knew someone would enjoy it lol.

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Joe C

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12307 Posts
Member #: 565
Carlos Fandango

Burnham-on-Crouch, Essex

Classic Robert!

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



robert

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uranus

thanks joe ,,er i think :)

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


minimole23

4304 Posts
Member #: 1321
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Wiltshire

How many other appliances had you taken apart first before concluding the food mixer was the most suitable?

On 7th Oct, 2010 5haneJ said:
yeah I gave it all a good prodding


robert

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6745 Posts
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uranus

None moley. This was the only thing I had with variable speed and easy to butcher um I mean use.

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Rod S

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5988 Posts
Member #: 2024
Formally Retired

Rural Suffolk

On 2nd Apr, 2018 Nic said:
On 2nd Apr, 2018 Rod S said:
No Theo in the photo inspecting said strange contraption so abject fail


He is present in the top photo, obviously watching from afar whilst keeping one eye on the moles


Ah, I see now, half hidden and in "soft focus". He still looks un-impressed though. As in, I'd much rather he gave my mole back than play with kitchen utensils.

So what speed does it achieve ?

Schrödinger's cat - so which one am I ???


Rob H

4314 Posts
Member #: 700
Formerly British Open Classic

The West Country

Can’t knock it if it works. When I was playing with Megajolt I put a toothed wheel in my lathe chuck and a VR sensor in the tool post.

Isambard Kingdom Brunel said:
Nothing is impossible if you are an Engineer


robert

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6745 Posts
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uranus

i was going to do that rob , but i needed variable adjustment i could do while watching the screen , my old lathe is just gearbox and steps in speed ..rod 4500 rpm max 1500 min .

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Joe C

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12307 Posts
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Carlos Fandango

Burnham-on-Crouch, Essex

lathe is dead handy for checking what orentation/spacing gives the best signal for positioning the bracket,

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



robert

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6745 Posts
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uranus

waveform ..




pulse counter ..




had a cloud of smoke drift out of the mixer at one point , turns out its the old flour burning off the big speed control resistor ! PHEW .

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Tom Fenton
Site Admin

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15300 Posts
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Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

&

TM legend.

Rotherham South Yorkshire

I hope you have set up the Robwood pulse mix so it can simultaneously simulate crank trigger speed and knock up a nice sponge cake?


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


robert

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6745 Posts
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uranus

oh that's a good idea Tom , mmmm lemon sponge cake with lemon drizzle , ..

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


wil_h

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9258 Posts
Member #: 123
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Betwix Harrogate and York

Those instruments remind me of my job 15 years ago, lots of buttons and knobs to play with; still do the business though.

We still have the old paper chart recorders, which were fun.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

www.twin-turbo.co.uk

On 2nd Jan, 2013 fastcarl said:

the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


robert

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6745 Posts
Member #: 828
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uranus

probably pretty boring vid , but just to show how the generator was used ...


https://youtu.be/fFDIeqqR2VE

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Austin

7 Posts
Member #: 11683
Junior Member

That's one powerfull kitchen aid!

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