Subject: lovejoy, lord vibration isolators
From: ACRE NL
Date: 6/20/2001, 6:26 PM


 > Monty Roberts wrote:
 >
 > Hello fellow rotor heads,
 >
 > I just signed on to this newsletter recently. I am planning on building
either a single rotor vari ez, or a two rotor long ez. I have engine parts
and am currently in the mock up/ design stage. I will be developing and
ground testing the engine first, and then will look for an ez project on
which to bolt it.
 >
 > Although the thought of making a new e-shaft, tension bolts and the like
does not thrill me, I REALLY like the vari for its speed and simplicity over
the long, and the two rotor is just too heavy to put in the vari. Plus I
could DOMINATE at Jackpot with a 1 rotor vari based on the V^2/in^3 standard
of performance measurement. They are all running 200 in^3 and larger
engines, with a 1 rotor I would only have 40 in^3!!! I could putt around at
100 knots and still win!! I'm not sure that they would allow me to compete
more than once though ;-)
 >
 > I was wondering if anybody has done any work with the vibration isolators
built by Lord and Lovejoy. They are designed to couple various things to the
flywheel side of an engine. They come with various damping/spring
characteristics and look to be Ideal for placing between the gearbox and
flywheel. I would love to use an existing redrive if one would fit,
BUT...... Tracy's redrive is not long enough to give me the proper CG and
prop location. Plus If I go with the single rotor solution it is a bit
heavy. I like the Ross unit except for the spring hub and other problems. I
will use a planetary drive with the ubiquitous Ford parts whether I design
it or buy it.
 >
 > Other Issues:
 >
 > peripheral or standard port
 >
 > if a single rotor, what computer to use
 >
 > whether single or two rotor, I will build a new front cover with integral
aluminum water pump/ thermostat. This will let me put the coolant/oil
outlets where I want them, plus save weight and space.
 >
 > What type of crank angle sensor to use. I will definitely replace the
distributor-type with a lighter, more accurate crank trigger.
 >
 > How much metal can safely be removed from the front of the rotors
 >
 > Sizing of an oil/H2O cooler
 >
 > on and on and on......
 >
 > Regards,
 >
 > Monty Roberts
 > RMI
 > 1795 Berry St.
 > Fayetteville, AR 72701
 > tmrbrts@swbell.net

mike h wrote:

Racing Beat out in Cali has aluminum end housings (the ones that are usually
iron)... the prices will take your breath away, but they are a LOT lighter.

Mike Harrington

 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.
ACRE NL web site.
http://home.earthlink.net/~rotaryeng/            http://www.linux.org