Dry Lakes Racers Australia

An update - I am building a smoke generator compression tester for simultaneously testing that the system holds pressure and showing where the leaks are.

This is built out of a $55 RC smoke machine (used for things like model steam trains), a hacked 12v compressor and a bunch of tubing etc


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This is the first iteration and the next will have a pressure sensor which regulates things by switching of the machine once pressure is reached. At the moment I don't need to worry about the regulator as the system doesn't hold any pressure

So far I have found the system leaking like a sieve from the manifold (two big pinholes at least) and I am pretty sure that when I fix those I will find leaks in the seals.

Once I fix all the leaks I am hoping to have my 32Hp again and then I can get back to work on the supercharger

Seems like a lot of work Paul and not sure you would see any smoke coming from a small leak. Soapy water works well.

http://www.bing.com/videos/search?q=pre ... 06CD81910A

Dave

RGV wrote:Seems like a lot of work Paul and not sure you would see any smoke coming from a small leak.

Dave

Oh - I am seeing them pretty clearly

Found 2 major ones on the manifold I did 89.6mph on within a few seconds. I started on the one that only let me did 69mph by bolting it to a sheet of metal but found that I needed gasket as it leaked around the edge. Even then I found leaks smaller than the one on the scoot.

The reason I am going with smoke is that I want to see leaks coming out from behind the flywheel and out te gearbox relief valve. This is where soapy water can't work and what I think is the biggest cause of lost power.

Here you go - real life is better. You might need to view it in HD to get a better impression of how effective it is


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IC that is better than I thought it would be.

Dave

Some media from the 2013 Oil Stained Brain exhibition I attended. Note that I mention in the video the dyno telling me I could do 105mph - that statement was correct but unfortunately based on an old 2012 dyno result and I lost 33% of my power between that dyno run and the actual salt run - it will be easy to get it back!!!

Also note that the supercharger is only mounted I am still in the process of setting up pulleys.

Video http://vimeo.com/106154629

http://oilstainedbrain.com.au/2013-builders/



http://oilstainedbrain.com.au/2013-bikes/

Looks like a good show Paul.

Dave

RGV wrote:Looks like a good show Paul.

Dave

Yes - it was pretty good and friendly atmosphere with lots of salt pictures

The next one is coming up and they are taking submissions http://oilstainedbrain.com.au/

Worth doing for those near Melbourne.

Paul

Saw this today and thought you would be interested.
It's not too late to modify your bike....

So why do cows always turn their arse to approching storms?

So do horses
Taking an AIR PRESSURE READING ! Simples

I'm impressed with the aerodynamic hooves

Ok - it has been a long time!!! Been distracted by stage 3 bowel cancer (full remission), a separation (happily moved on) and a pandemic (hmmm). I have also been struggling with a lack of powered workshop and money. However the major life lessons I have learnt are to connect with what I value and be flexible with how I get there so I am planning a new approach Goodbye two-stroke, hello EV

I don't have much time but the plan is to convert the Vespa to electric and run in the Production Omega class. I am getting a kit from my friend at www.retrospectivescooters.com which is custom but plug+play with a top speed of 100km/hr (road registered).

I am seeing if I can then build a second engine config which can do the 160km/hr+ I have always been aiming for. I have commandeered the kids 3D printer and have been planning things out while I wait for bits. This is where I am at but the motor will have to be different (I need more power). I have 3D printed out a copy of the engine so I know it will work before hacking into the engine casing.









BTW if anyone wants a brand new Rotrex C8-8 supercharger, contact Tom Rabold (he's selling it for me)

Welcome back Paul.
What doesn't kill you, makes you stronger,,,you have had more than your fair share of proton pills mate, well done, & good luck with the clean Vesperado

Once that salt bug bites, you stay bit.
Amazing work so far Paul.