1. 3
4
5
1
9
2
6
1
2
2
4
5
6
6
6
ITEM NO. PART NUMBER QTY.
1 RingTrack 1
2 SupportTubes 4
3 Dome 1
4 MountingPlate 2
5 Slider 2
6 SlidingMount 4
7 BaseSuptLong 1
8 BaseSuptShort 2
9 BasePlate 1
MECH 462-GROUP 28
JigAssembly
08/02/15JORDAN BARROSO
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:4
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

2. 9.25 MAX
4X 1.754.00
R.75
48x .250
+
-
.000
.001
120°
8X 45°
4X90°
23°
.188
ALL HOLES THRU ALL
ALL HOLES TYP
6
D
C
B
A
E
F
G
H
E
A
B
C
D
F
54321 7 8 9 10 11 12
1 2 3 4 5 6 7 8
G
BasePlate2
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN

3. 72X .375±.001 THRU ALL
R5.938±.001 9.75
2.125 MAX
SLIDING FIT WITH SLIDER
**SEE ATTACHED SLIDER DRAWING
8X .27 THRU ALL
.51 X 82°
5.00°±.50°
R5.322±.001 R6.605±.001
5.60°
6.96°
5.60°
6.96°
6.96°
5.60°
6.96°
5.60°
.1875 TYP STOCK PLATE
1
MECH 462-GROUP 28
RingTrack
28/02/2015JORDAN BARROSO
WEIGHT:
MILD STEEL
A2
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH: STOCK
TOLERANCES:
LINEAR: 0.003
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

4. .250 STOCK PLATE
1.790 TO FIT INSIDE
"SUPPORT TUBE"
1.790 TO FIT INSIDE
"SUPPORT TUBE"
.250±.001.250±.001
2X .20 THRU ALL
1/4-20 UNC THRU ALL
1.540±.001
1.540±.001
NOTE: Required quantity is 4EA. To be
welded into top of "SupportTubes." See
attached "SupportTubes" Drawing.
0
MECH462 - GROUP28
RingMountPlate
28/02/2015JORDAN BARROSO
WEIGHT:
MILD STEEL
A2
SHEET 1 OF 1SCALE:2:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

5. 1'' WELD (X8)
1'' WELD (X8)
D
E
F
C
1 2 3 4
B
A
321 5
C
D
4 6 7 8
A
B
crossbeamAndBase
WEIGHT:
A3
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN

6. 9.56
9.56
WELD 2 VERTICAL SIDES OF EACH ATTACHMENT (4 WELDS TOTAL)
WELD (X4)
1.00
ALL PARTS TO REMAIN FLUSH ON TOP SURFACE
6
D
C
B
A
E
F
G
H
E
A
B
C
D
F
54321 7 8 9 10 11 12
1 2 3 4 5 6 7 8
G
crossbeam
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN

7. 9.56±.03
1.00
1.00
.88
.88
NOTE: CUT TO LENGTH FROM STOCK CROSS SECTION NOTED IN TITLE BLOCK
0
MECH 462-GROUP 28
BaseSuptLong
06/02/15JORDAN BARROSO
WEIGHT:
McMaster-Carr Part No.
6527K134
A2
SHEET 1 OF 1SCALE:1:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR: 0.005
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

8. 4.28
+
-
.00
.02
1.00
1.00
.88 INSIDE
.88 INSIDE
NOTE: CUT TO LENGTH FROM STOCK CROSS SECTION NOTED IN TITLE BLOCK
0
MECH 462-GROUP 28
BaseSuptShort
02/06/15JORDAN BARROSO
WEIGHT:
McMaster-Carr Part No.
6527K134
A2
SHEET 1 OF 1SCALE:1:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR: 0.005
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

9. 1
2
2
NOTE: WELD INSIDE & OUTSIDE
DOME TO MOUNTING PLATE
NOTE: WELD INSIDE & OUTSIDE
DOME TO MOUNTING PLATE
R5.00
4.309±0.001
AFFECTSHOLE
LOCATIONSONPLATE
0.1
0.1
0.1
0.1
NOTE: ASSEMBLED PRODUCT MUST BE
SYMMETRICAL. PART IS TO MOUNT TO A
CIRCULAR TRACK.
DOME TO BE WELDED CENTERED
ON MOUNTING PLATES
NOTE: PLEASE SIZE WELDS AS NECESSARY
ITEM NO. PART NUMBER QTY.
1 Dome 1
2 MountingPlate 2
1
MECH 462-GROUP 28
DomeAssem_NOSLIDER_REV1
17/04/15JORDAN BARROSO
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

10. 0.125
R5.00
10.25
1.66
0.16
0.45
D
E
F
C
1 2 3 4
B
A
321 5
C
D
4 6 7 8
A
B
Dome
WEIGHT:
A3
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SEE "Dome_Flat.pdf" FOR SLOT DIMENSIONS.
THIS DRAWING TO BE USED FOR PART CURVATURE ONLY. "Dome_Flat.pdf" SHOULD
BE TAKEN AS CORRECT DIMENSIONS IF ANY DISCREPANCY ARISES.

11. 1.657
16.100±.01
R.06
(1.5mm)
15.109
Not Critical
.12
(3mm)
AA
Note: Part symettrical in both directions.
.125
Stock Plate
SECTION A-A
Dome_Flat
02/12/15JORDAN BARROSO
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR: 0.01
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

12. R4.375R4.875
SEE NOTE #1
R7.00
SEE NOTE #1
R7.50
30.00°
A1 B1
A2
A3
B2
A4
X
Y
.375
.375
1.00
THICKNESS OF STOCK
NOTE #1: SLOT TO HAVE SLIDING FIT
WITH RING TRACK; SEE SEPARATE DRAWING
NOTE #2: PART TO BE MILLED FROM 1"x4" STOCK BAR
TAG X LOC Y LOC SIZE
A1 .312±.001 .946±.001 .25 THRU ALL
A2 .802±.001 2.774±.001 .25 THRU ALL
A3 2.915±.001 .604±.001 .25 THRU ALL
A4 3.227±.001 1.770±.001 .25 THRU ALL
B1 1.585±.001 .517±.001 .38 THRU ALL
B2 2.119±.001 2.509±.001 .38 THRU ALL
MECH 462-GROUP 28
Slider
08/02/15JORDAN BARROSO
WEIGHT:
6061 ALUMINUM
A2
SHEET 1 OF 1SCALE:1:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR: 0.01
ANGULAR: 0.5
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

13. R.500
R.500
R4.375
R7.500
20.00°
R5.938
A1
A2
A3
A4X
Y
.125
TAG X LOC Y LOC SIZE
A1 .257±.000 .316±.000 .25 THRU ALL
A2 .586±.000 2.180±.000 .25 THRU ALL
A3 2.879±.000 .202±.000 .25 THRU ALL
A4 3.089±.000 1.391±.000 .25 THRU ALL
MECH 462-GROUP 28
MountingPlate
09/02/15JORDAN BARROSO
WEIGHT:
A2
SHEET 1 OF 1SCALE:2:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

14. 8.00
0.31 TYP
45°
0.86
2X GUSSET WELDED TO CORNERS
1.00
4X1.50
4X 0.50 THRU ALL
1.35 0.75
2X 0.25 THRU ALL
2.50
NOTE:
MATERIAL- MILD OR STAINLESS STEEL
6
D
C
B
A
E
F
G
H
E
A
B
C
D
F
54321 7 8 9 10 11 12
1 2 3 4 5 6 7 8
G
Post
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
7.00
Revisions made May 3, 2015
by J.Barroso

15. WELD ALL
ROUND
WELD ALL
ROUND
WELD ALL
ROUND
WELD ALL
ROUND
2
3
1
ITEM NO. PART NUMBER DESCRIPTION QTY.
1 SlidingMount 4
2 BaseSuptLong 1
3 BaseSuptShort 2
MECH 462 - GROUP 28
BasePlateSupport
08/02/15JORDAN BARROSO
WEIGHT:
A2
SHEET 1 OF 1SCALE:1:2
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

16. .44 TYP
2.25
2.25
2.01
2.01
2.50±.01
0
MECH 462-GROUP 28
SlidingMount
02/06/15JORDAN BARROSO
WEIGHT:
McMaster-Carr Part No.
4931T65
A2
SHEET 1 OF 1SCALE:1:1
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

17. 2.00
2.00
1.79
1.79
.44 TYP
24.00±.01
NOTE: 4EA OF THIS PART MUST BE MADE AS NEAR AS POSSIBLE TO EQUAL LENGTH
0
MECH 462-GROUP 28
SupportTubes
06/02/15JORDAN BARROSO
WEIGHT:
McMaster-Carr Part No.
4931T15
A2
SHEET 1 OF 1SCALE:1:3
DWG NO.
TITLE:
REVISIONDO NOT SCALE DRAWING
MATERIAL:
DATESIGNATURENAME
DEBUR AND
BREAK SHARP
EDGES
FINISH:UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
SURFACE FINISH:
TOLERANCES:
LINEAR:
ANGULAR:
Q.A
MFG
APPV'D
CHK'D
DRAWN
SolidWorks Student Edition.
For Academic Use Only.

18. NUMBER
PART
Information in this drawing is provided for reference only.
http://www.mcmaster.com
1.094"
0.52" 0.281"
0.27" 3 1/2"
0.5"
1/2"-13 Thread
90185A726
Carriage
Bolt
© 2014 McMaster-Carr Supply Company
Sharpen/taper tip of bolt approx. 1" up shaft. Bolt
should end in sharp point as shown on next page.
Annotations by J.Barroso
May 3, 2015
Bolts tips were stepped using a manual
lathe as shown on the profile below and
sharpened to a fine point (see next page)
using a belt sander in McLaughlin Hall.

20. Pipe & Scaffolding Clamp with Threaded Fastener
for 1-1/4" to 2-3/8" OD, Zinc-Plated Steel Bolts
In stock
$16.67 Each
30285T56
For OD 1 1/4" to 2 3/8"
Accepts Thread Size 1/2"-13
Work Load Limit 600 lbs.
Additional Specifications Super Grip
Clamp on to pipe and truss and utilize the included vertical bolt to hang lighting
fixtures and other equipment. All clamps are made of aluminum.
Super-grip clamps are grooved on the inside for a superior grip. The vertical bolt
can be removed to insert threaded rod (not included). Clamps have a black
anodized finish and include a securing bolt. Bolts are zinc-plated steel (unless
noted).
Warning! Never exceed work load limits.
(630) 833-0300
(630) 834-9427 (fax)
chi.sales@mcmaster.com
Text 75420
Hardware
• 1/2" × 1" long hex head Grade 5 zinc bolt
• 1/2" × 3" long square head set screw
• Belleville spring washer
Overall Dimensions
5.875" tall x 3.675" wide x 1" thick
Cut off at small notch in neck.
Drill and tap 1/2-13 hole 0.5"
deeper to accomodate bolt.
See separate PDF for
modified bolt.
Annotation by J. Barroso
May 3, 2015

23. **Note: For bolts and machine screws, first dimension is diameter, second is length.
***Note: All bolts and machine screws are UNC (coarse thread) unless noted otherwise.
Fastener Quantity Notes
3/8-16 x 3" Grade 5 Hex Head Bolt 4 To fix base plate at incremental points on legs.
3/8-16 Zinc Plated Grade 5 Nut 4 To fix base plate at incremental points on legs.
1/4-20 x 3/4" Socket Head Cap Screw 8 To fix Dome to sliders.
1/4-20 x 1" Flat Head Countersink Socket Head Cap Screw 8 To fix ring track to legs.
1/2-13 x 3.5" Carriage Bolt 2
To penetrate cortical bone and hold forearm laterally in scaffold clamp. See drawing
regarding sharpening.
Dowel Pin Quantity Notes
3/8" Steel Dowel 4 To fix sliders in position on ring track.
1/4" Steel Dowel 4 To fix scaffold clamp support posts in position on base plate.