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09-25-2022, 03:29 AM
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Join Date: Jul 2020
Location: Muncie, IN
Posts: 42
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Plans error - Attaching vertical stabilizer RV8
There must be a mistake on plans sheet 73 in the 1/2 scale view showing the 3 bolts that attach the bottom of the vertical stabilizer to the bulkhead. The plans drawing shows the vertical dimension between the bottom bolt and the top two bolts to be 7/8". However, this cannot be correct. I'm guessing the engineer failed to apply the scale factor (1/2 scale), so the aictual dimension should be closer to 1 3/4". Can anybody confirm?
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09-25-2022, 04:47 AM
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Join Date: Nov 2018
Location: Pasadena ca
Posts: 243
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There are apparently 2 versions of DWG 73
__________________
Mike
N36MB
SN 83764
IO360-M1B
Hartzell Composite CS
Phase 1 complete 10/29/22
KAJO
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09-25-2022, 07:40 AM
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Join Date: Aug 2018
Location: Wichita KS
Posts: 1,109
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I see a dimensional callout of 1 23/32 where are you coming up with 7/8" ?
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09-25-2022, 08:49 AM
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Join Date: Jul 2005
Posts: 1,842
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There was a drawing revision.
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Mike W
Venice, FL
N164WM RV-6A Slider/O-360/FP Sold 4/2022
N184WM (RV-8) Flying. Titan IOX-370/ CS/G3X
N184P reserved (RV-8QB) Empennage kit and QB wings in the shop
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09-25-2022, 09:06 AM
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Join Date: Jul 2020
Location: Muncie, IN
Posts: 42
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Thanks to both for responding. My plans date is 11/15/05. View 'AA' at the top of page 73 is 1/2 scale and clearly shows "7/8 2PL" for the distance between the bottom bolt and top 2 bolts. The 1 23/32 distance makes sense. I'm sure this dimension was inadvertently applied to the scaled-down view instead of full size, or incorrect scale factor used prior to printing. As someone who used to use Autocad quite a bit, guess why I suspect this?
Thanks again
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09-25-2022, 01:54 PM
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Join Date: Aug 2009
Location: Southern California
Posts: 1,085
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Quote:
Originally Posted by Rv8bill
I'm guessing the engineer failed to apply the scale factor (1/2 scale),
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Quote:
Originally Posted by Rv8bill
I'm sure this dimension was inadvertently applied to the scaled-down view instead of full size, or incorrect scale factor used prior to printing. As someone who used to use Autocad quite a bit, guess why I suspect this?
Thanks again
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Slightly off track, but:
Hopefully a professional engineer/designer using AutoCAD is controlling plotted scale by correct use of viewports and layout scaling instead of simply drawing the view 1/2 size in model space! Scaling plotted views by correct use of viewports does not change the displayed dimensions.
Skylor
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09-25-2022, 05:08 PM
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Join Date: May 2009
Location: Beaumont, Texas
Posts: 247
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Vans Plans
Van's typically recommends that those who have old drawings purchase the digital drawings with the latest and greatest revisions from them. They'll send them to you on a memory stick, resplendent with the Van's logo. It's not expensive, and it's pretty handy to have around.
__________________
David Welsh
Beaumont, TX
RV-7 N413WD
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