[TheForge] New engine OT:

[Peter Hirst]

Don't know what you mean by ythe "moving link".  The force of the explosion 
is exerted on the pistons more or less at a tangent to the orbit of 
rotation:exactly where it is most efficient.  In the Wankel, the net force 
was at an angle to that tangent, forcing the cam of the rotor hard against 
the cylinder wall, which is what caused all that wear.  Here, apparently, 
the force is approximately parallel to the cylinder wall, allowing the 
piston to float on its rings as in a conventional piston engine.

Note also that the rpm measurements are misleading:  the piston/rotor 
assemblies have to each be making two revolutions to get 16 firings one out 
of one rev of the crank.  The Crank may only be going at 850 rpm, but those 
two assemblies have to be doing 1700.  And with four stops and starts per.

Still, I I don't think friction  or vibration is  the problem.  I think the 
problem is ignition.  Iit has not yet been fired as an internal combustion 
engine.  In all  the test videos it seems to  run only as a compressed air 
motor.

OK, so now why am I wrong here?


----- Original Message ----- 
From: "Peter Fels & Phoebe Palmer" <artgawk at thegrid.net>
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Saturday, March 21, 2009 4:37 PM
Subject: Re: [TheForge] New engine OT:


> Glancing at the site last nite..Looks like the complex joint between the
> links would be a real friction,wear/lube problem. It would also suffer
> the same seals problem that plagued the Wankel ( which was also pretty
> small).
> Looking at where the force of the  explosion is exerted on the moving
> link...it intuitively seems indirect and inefficient. Why am i wrong here?
>
> Jerry Frost wrote:
>> Heck Mike, the one you'd need a hand truck for is over
>> 800HP. A 25HP model would fit in your pocket, okay
>> fanny pack. According to the official site (Hype?) a
>> MYT engine with the same power output as a typical SUV
>> engine is the size of an alternator.
>>
>> Put a double rotor on it and it will compress air, pump
>> fluids, etc.
>>
>> Pretty cool
>> -------------------------------
>> If it ain't forged
>> it ain't real.
>> Wrought iron is.
>> The FrostWorks
>>
>> Meadow Lakes, AK.
>>
>>
>> From: "Mike Spencer" <mspencer at tallships.ca>
>>
>>
>>> Dang! Now *that* would be nice for my big hammer.  I
>>> could bring it
>>> indoors on a hand-truck when it rains.
>>>
>>> -- 
>>> Michael Spencer                  Nova Scotia, Canada
>>> .~.
>>>
>>> /V\
>>> mspencer at tallships.ca
>>> /( )\
>>> http://home.tallships.ca/mspencer/
>>> ^^-^^
>>>
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