[Public-List] Another engineering experiment

Rod via Public-List public-list at lists.alberg30.org
Fri Oct 10 18:06:51 PDT 2014


This Red Green moment has been brought to you by. .........


Cheers,  Rod 

<div>-------- Original message --------</div><div>From: Gordon Laco <mainstay at csolve.net> </div><div>Date:10-10-2014  10:58 AM  (GMT-05:00) </div><div>To: dan walker <dsailormon at yahoo.com>, Rod <weatherhelm at hotmail.com>, Alberg 30 Public List -- open to all <public-list at lists.alberg30.org> </div><div>Subject: Re: [Public-List] Another engineering experiment </div><div>
</div>Here in Canada we say “hold my beer a minute will ya.....”


On 10/10/14 10:53 AM, "dan walker" <dsailormon at yahoo.com> wrote:

brings up the old joke...what s the last thing the redneck said before dying---hey ya'll watch this!
 


 
 
 
  On Friday, October 10, 2014 10:32 AM, Rod via Public-List <public-list at lists.alberg30.org> wrote:
  
  

 
Sometimes the simplest solution is the best. ..... though it doesn't make for nearly as colourful a story (-:


Cheers,  Rod 

<div>-------- Original message --------</div><div>From: Gordon Laco via Public-List <public-list at lists.alberg30.org> </div><div>Date:10-10-2014  10:01 AM  (GMT-05:00) </div><div>To: Alberg 30 Public List -- open to all <public-list at lists.alberg30.org> </div><div>Subject: [Public-List] Another engineering experiment </div><div>
</div>I hope you don’t mind another story....

Some years later, when I was 23 years old, and just out of university,  I’d
bought my Folkboat TOUCH WOOD.  I kept her out on a mooring and in short
order discovered arranging to re charge her batteries was inconvenient.

It occurred to my friend Barry and I that if I had a wind powered electrical
generator, the recharging issue would be solved.   Somehow we noticed that
if one folded cardboard over the spokes of a bicycle wheel, one could end up
with something that looks a lot like a jet engine’s primary turbine.  Aha!
We said to each other, perhaps we’re on to something.  We discussed building
a rig where the bike wheel/fan would drive my bike’s wheel driven generator
lighting kit.

Unfortunately, the day we did this, there was no wind.  We wanted to get an
idea of what rpm the modified wheel would develop, and also how much drag
the apparatus developed.  This later would have a bearing on what sort of
mounting bracket we’d have to build.  I should say at this point that my
degree was in History, Barry’s was in Mechanical Engineering.

We decided we’d have to make our own wind for the experiment.   I owned a
car, a rusty 72 Toyota 1200cc Corolla.  Barry got in the passenger seat
holding the nuts of the bike wheel’s axel out the window while I drove.  At
10mph the wheel spun hard and fast – loads of power.  I noticed he was
having difficulty holding the nuts, so with a grin, punched up the speed to
30.   Now the wheel was really spinning, making a roaring sound, but Barry
hung on despite the terrific gyroscopic forces he was describing to me.

Disasster struck when I slowed the car and turned.  The gyroscopic force
resisted the turn and the wheel was torn out of Barry’s fingers.  One hand
was raked by the spokes as it flew off and bounded down the street...
Luckily it didn’t hit anyone nor a window or car.

I bought a second battery for the boat and got into a routine of exchanging
them at the boat; charging the out’ battery at home.

G


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