[rebel-builders] pk1800 float rigging
Posted: Sun Feb 19, 2012 5:49 pm
Jose,
It is not difficult to build your own rigging. There are three main
dimensions that need definition. (1) The location of the step (fore/aft)
along the wing chord line (plumb bobbed location of the step from a %MAC on
the wing to the floor with the fuselage bottom level), (2) the distance
between the top of the fwd spreader bar to the fuselage bottom, and (3) the
angle comprised by the flat fuselage bottom and the float top deck - also
known as the throat angle. With these three variables "nailed down", the
struts and wires can be made.
I'll upload a drawing on the builders site showing my Elite to Montana 2200
dement ions as just described. Note that MAM (as best I can tell) have the
fuselage sitting higher on the floats then I have in my drawings. But they
might help you see what I am talking about regarding the three key
measurements mentioned above. I am in the process of re-rigging mine a few
inches higher too, as I will be swinging a bigger prop. But have had many
water landings and take-offs with my rigging as defined in this drawing.
Cheers, Bob (612e)
-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Jose &
Terry
Sent: Saturday, December 05, 2009 10:26 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] pk1800 float rigging
Hello all, I am new to the list and looking forward to working with
everyone. Just a quick question for those who may be of assistance, I bought
a set of pk1800 floats and am having quite a time finding set up info. I
know this is going to take some doing and modifying but what I really need
is a starting point like an engineered drawing of the murphy 1800 set up
with measurements and angles, maybe even a builder's install manual. If
anyone can steer me in the right direction I would be most appreciative.
Here's to punching holes in the sky...
Jose LeBrasseur
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It is not difficult to build your own rigging. There are three main
dimensions that need definition. (1) The location of the step (fore/aft)
along the wing chord line (plumb bobbed location of the step from a %MAC on
the wing to the floor with the fuselage bottom level), (2) the distance
between the top of the fwd spreader bar to the fuselage bottom, and (3) the
angle comprised by the flat fuselage bottom and the float top deck - also
known as the throat angle. With these three variables "nailed down", the
struts and wires can be made.
I'll upload a drawing on the builders site showing my Elite to Montana 2200
dement ions as just described. Note that MAM (as best I can tell) have the
fuselage sitting higher on the floats then I have in my drawings. But they
might help you see what I am talking about regarding the three key
measurements mentioned above. I am in the process of re-rigging mine a few
inches higher too, as I will be swinging a bigger prop. But have had many
water landings and take-offs with my rigging as defined in this drawing.
Cheers, Bob (612e)
-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Jose &
Terry
Sent: Saturday, December 05, 2009 10:26 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] pk1800 float rigging
Hello all, I am new to the list and looking forward to working with
everyone. Just a quick question for those who may be of assistance, I bought
a set of pk1800 floats and am having quite a time finding set up info. I
know this is going to take some doing and modifying but what I really need
is a starting point like an engineered drawing of the murphy 1800 set up
with measurements and angles, maybe even a builder's install manual. If
anyone can steer me in the right direction I would be most appreciative.
Here's to punching holes in the sky...
Jose LeBrasseur
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