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Old 02-28-2010 | 12:21 AM
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rwfly
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From: Grangeville, ID
Default 1/3 Stearman questions

Hello Everyone

Hope no one minds me posting here this is not an aerobatic aircraft as such
but I tried posting in the scale forum with no response.

I have a 1/3 scale Stearman 116" ws. built off Balsa USA plans.

I have the wings, fusalage and empennage ( tail sections ) all built
and I'm about to make the final mount on the wings and flying wires.
I have other bipe's but none this large and hope some who have this or
other large biplanes could share some information.

The plans call for du-bro 1/4 scale forks on the ends of solid
music wire for the flying wires. These have a bolt that slips through
one side and the wire bracket and thread into the other side, to trust
this setup I would extend the bolt and add a ny-lock nut, to much tedious
set up and take down at the field. I've searched but have not found
much for a substitute.

I sure would appreciate any information from those that have built
this aircraft or other large bipe's on how you did your wires and
set up and take down at the field.

I have built spring loaded functional landing gear that I can adjust
the initial load on the springs. The plane will come in 45-50 pounds
and I was thinking of setting them around 30 pounds on each side good
or bad?

Last question. In my searching I found many had a 150cc for power and
I have a 3w150. I also have a 3w106 but wish I had a 120cc
I found most had to add 4 to 8 pounds to the nose to balance soooo...
of the the 150 and 106 what would be the choice?

I'm not trying to have a 3D aircraft (of course it's not) but don't want to be under powered
either. The 150 is 2 pounds heavier(help on nose weight) but a little marginal on
prop clearence, will the 106 have a little power to spare?

Thanks ahead of time for any help. Hope I post this right I don't post very
often.

Best Ron