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Parts List
Please note that when constructing multiple rockets, some parts on
this list will be part of a unit purchase. For example: #10 washers
with a quantity of 4 is called for but it makes more sense to puchase
a bag of 50 washers at one time. Larger, bulk purchases will reduce
the per unit cost of a launch pad.
All parts can be found in the hardware store with the exception of
the spring. If the hardware store doesn't have a suitable compression
spring, then order them from the supplier listed. The spring cost is
a high estimate because the spring chosen is not the best for the job.
|
Description |
Quantity |
Unit Cost |
Cost Estimate |
|
3/4" to 1" Copper Pipe Bushing |
1 |
1.87 ea |
1.87 |
|
1/2" PVC Cap |
5 |
0.17 ea |
0.85 |
|
7/8" ID Rubber Hose |
1" |
0.60 ft |
0.05 |
|
1/2" PVC Plug |
1 |
0.37 ea |
0.37 |
|
1/2" Sched 40 PVC Pipe |
67 3/4" |
1.20 10ft |
0.80 |
|
Cut Pieces |
2 pieces 1 3/4" long |
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2 pieces 3 1/2" long |
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1 piece 1" long |
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1 piece 8" long |
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4 pieces 12" long |
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1/2" ADPT - FML PVC Adaptor
(Threaded one end and slip the other end.) |
2 |
0.18 ea |
0.36 |
|
1/2" CPVC pipe |
2" |
1.20 10ft |
0.02 |
|
1 1/4" PVC Slip - Slip Coupling |
1 |
0.25 ea |
0.25 |
|
2" Sched 40 PVC pipe |
9" (16" to make 4) |
6.60 10ft |
0.50 |
|
3/16" screw size 2" - 4" Turnbuckle (preferably Not Aluminum) |
2 |
1.57 ea |
3.14 |
|
12 ga. bare Copper wire |
2 pieces 15" long |
???? |
???? |
|
1/2" x 10" Sprinkler Riser |
1 |
1.29 ea |
1.29 |
|
Rubber Garden Hose Washers |
5 |
0.98 pkg of 10 |
0.49 |
|
1/2" PVC "T" |
2 |
0.19 ea |
0.38 |
|
1/2" PVC Cross |
1 |
0.97 ea |
0.97 |
|
1" Hose Clamp (can substitute 1 1/4" ) |
1 |
0.88 ea |
0.88 |
|
Tubeless Tire Valve (All Rubber) Use the shorter stem and smaller
diameter hole. There are two lengths and two diameters to choose from. |
1 |
2.00 pkg of 2 |
1.00 |
|
1/4 - 20 x 3" Bolt (Threads must run entire length of bolt.)
Higher quality bolts are better and stainless is the best. |
1 |
0.10 ea. |
0.10 |
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1/4 - 20 Nylock Nut |
1 |
0.97 pkg of 2 |
0.49 |
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5/16 - 18 (course) x 1" Bolt |
2 |
0.10 ea |
0.20 |
|
5/16 - 24 (fine) x 1/2" Bolt |
2 |
0.07 ea |
0.14 |
|
1/4" Washer (ID must slip over 5/16 bolt) |
6 |
0.10 ea |
0.60 |
|
5/16 - 18 (course) Nylock Nut |
2 |
0.97 pkg of 2 |
0.97 |
|
#10 - 32 x 3/8" Panhead Screw |
2 |
0.98 pkg of |
0.10 |
|
#10 - 24 Nut |
2 |
0.05 ea |
0.10 |
|
#10 - 32 Nut |
2 |
0.05 ea |
0.10 |
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#10 Washer |
2 |
0.90 pkg of 10 |
0.15 |
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#10 inside Star Lockwasher |
2 |
0.97 pkg of 18 |
0.14 |
|
7/8" ID x 2" long (1 1/2" to 3" long) 1/8"
wire Compression Spring
DWC-125LM-10 From Diamon Spring 1-800-424-0500
Can substitute with longer springs and springs with small diameter
wire to cut costs. |
1 |
5.66 ea + SH |
5.94 |
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60/40 solder |
4" |
??? / roll |
???? |
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Lead free solder |
6" |
??? / roll |
???? |
|
PVC Cement |
a few drops |
1.49 can |
0.02 |
|
PVC Purple Primer for cement |
a few drops |
1.57 can |
0.02 |
|
Teflon Thread Seal |
a few inches |
1.09 roll |
0.01 |
|
Soda Bottle |
1 |
Recycle for free |
|
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Plastic sandwich bag |
1 |
1.50 / box |
0.07 |
|
Nylon string (not stretchy) |
14' |
??? / roll |
???? |
|
light duty small rope clip |
1 |
0.89 ea |
0.89 |
|
fabric bag |
1/3 yd |
1 / yd (on sale) |
0.33 |
|
Blue spray paint |
enough for logos |
1.30 / can |
0.05 |
|
thread for bag |
??? |
??? / spool |
???? |
|
Printed materials - disclaimer card |
1/4 page |
0.36 / page of cardstock |
0.09 |
|
Printed materials - congrats page, safety rules page |
2 pages |
0.05 / page |
0.10 |
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|
Total cost |
23.84 |
Special Tools Needed
|
Description |
Approximate Cost |
|
5/16 - 18nc Tap |
3.69 ea |
|
#10 - 32nc Tap |
3.29 ea |
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1/4 - 20nc Tap |
3.29 ea |
|
** Alternative to Torch - Copperbond 2 part epoxy for copper pipes |
6.31 pkg |
|
** Propane Torch and Solder Kit |
30.00 pkg |
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Thread cutting oil (can substitute with kitchen cooking oil) |
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PVC Pipe Cutter |
12.00 ea |
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Round File |
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Flat File |
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Needle Nose Pliers |
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Screw Driver |
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Plyers (Can use channel locks) |
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Drill Bits |
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5/32 bit for #10 tap |
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3/16 bit for 1/4 - 20 tap |
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1/4 bit for 1/4 - 20 through hole |
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5/16 for 5/16 through hole |
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17/64 bit for 5/16 tap |
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5/8 Auger bit for reeming out 1/2" Schedule 40 PVC |
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1/2 Auger bit for Tubeless Tire Valve |
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Jigsaw with course wood blade and metal blade |
30.00 |
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