Nose weight

[Dean Pappas]

That's it John!
All the well-spent money for lightweight, beautifully machined, noserings ...
We need Lead noserings. for the guys with real CG problems, spent Uranium.
later,
	Dean

Dean Pappas
Sr. Design Engineer
Kodeos Communications
111 Corporate Blvd.
South Plainfield, N.J. 07080
(908) 222-7817 phone
(908) 222-2392 fax
d.pappas at kodeos.com


-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of John Ferrell
Sent: Tuesday, March 15, 2005 10:11 AM
To: discussion at nsrca.org
Subject: Re: Nose weight


Make a mold from aluminum foil to go inside the fuselage around the nose 
ring.
melt the required amount of lead in a can with a propane torch.
Pour lead into mold
Either glue or screw the weight in place.

Channel locks work better than straight pliers to handle can.
Lead may be trimmed with pocket knife.
Silicon (bathtub caulk) is easy to use and remove, but has a 24 hour cure 
time.

Has anyone put together the math to figure out how far from the cg how much 
weight is needed to move the cg how much?
Knowns:
    current cg
    current airplane weight
    weight to be added
Find distance from current CG...
Or from a reference point?

John Ferrell
http://DixieNC.US

----- Original Message ----- 
From: "Steve Wiggin" <swiggin682 at cox.net>
To: <discussion at nsrca.org>
Sent: Monday, March 14, 2005 6:26 PM
Subject: Nose weight


>I have to add about 2 1/2 oz of weight to the nose of my pattern plane for 
>static balance. Has anyone ever tried pouring molten lead into an aluminum 
>spinner to get the weight as far forward as possible? I would probably have 
>to epoxy the weight in place and balance the spinner/weight, and wonder if 
>this would cause undue stress on the engine bearings. Any ideas would be 
>appreciated.
> Steve
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