Stearman build

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3 years 11 months ago #22382 by Brian
Replied by Brian on topic Stearman build
Now that really is a labour of love Kevin, lovely work!

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3 years 11 months ago #22384 by kevinross
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Feeling quite pleased as i laid my head on the pillow last night then had a sudden brainrush. Due to my build changes there is No point in finalising the strut rigging until i have at least built all 4 main spares. They are rectangular boxes with built in tapers or Furrings ( item 133 in pic 2) to set the dihedral. So i need to align the spar tips not the centre section.
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The following user(s) said Thank You: 4Pedalsfly, Brian

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3 years 11 months ago #22398 by kevinross
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Prepared all the parts for the 4 wing spar boxes and finished both lower units
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3 years 11 months ago #22399 by JRI
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Will you be putting lightening holes in the aluminium joiner Kevin?

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3 years 11 months ago #22400 by kevinross
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JRI wrote: Will you be putting lightening holes in the aluminium joiner Kevin?


Ive thought about it but this 89" Flair version is reputed to build at least 5 LBS lighter than a Nick Zirrolli 87" so i'll see what the finished weight is

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3 years 11 months ago #22405 by kevinross
Replied by kevinross on topic Stearman build
Last night i built the first of the upper wing spar boxes IAW the plan but found a major problem. The tapered furings created an offset causing a mismatch to the centre section. So I had to carefully cut out the spars and remake the box parts.

This time I cut a groove in one spar which allowed the alloy spar to exit centrally.
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