The Work of Robert Francis Jr
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Gravitational/Inertial Mass Modification Parts List
Item
Price
Quantity
Total
Location
Magnets and Shared Materials
Magnet RY04X0
$77.45
6
$464.70
https://www.kjmagnetics.com/proddetail.asp?prod=RY04X0
2″OD x 1/4″ID Fender Washers (Qty 100)
$25.70
1
$25.70
https://www.amazon.com/dp/B000BD5GG4
1/4”-20 x 4in. Aluminum Hex Bolt
$2.72
4
$10.88
https://boltdepot.com/Product-Details?product=27439
1/4”-20 Aluminum Hex Nut
$0.18
4
$0.72
https://boltdepot.com/Product-Details?product=27343
1/4” Aluminum Washer
$0.18
8
$1.44
https://boltdepot.com/Product-Details?product=27373
Magnetic Pole Detector
$5.99
1
$5.99
https://www.amazon.com/CMS-Magnetics-Magnetic-Detector-Identifier/dp/B00OQRG0HA
EPS Foam 1’x1’x1.5″ (3-pack)
$18.99
1
$18.99
https://www.amazon.com/dp/B07RRDXVVM
Cardboard Box 6″x6″x6″ (6-pack)
$7.99
1
$7.99
https://www.amazon.com/dp/B0CTMSCFYN
Subtotal
$536.41
Magnet Drop Experiment
Elegoo PLA Filament 1kg
$16.19
1
$16.19
https://www.amazon.com/dp/B0BTGXDFRK
Arduino Nano 33 BLE Rev2
$25.00
1
$25.00
https://www.amazon.com/Arduino-Nano-BLE-Rev2-ABX00071/dp/B0CNTVW44H/
PowerBoost 500 Basic
$9.95
1
$9.95
https://www.adafruit.com/product/1903
3.7V 250mAh Lipo Battery (Reverse Polarity)
$8.29
1
$8.29
https://www.amazon.com/dp/B0B7R8CS2C/
USB Lipo Charger
$10.96
1
$10.96
https://www.amazon.com/gp/product/B00OKJFEQ2/
Micro USB B to USB A Cable
$6.65
1
$6.65
https://www.amazon.com/Amazon-Basics-Charging-Transfer-Gold-Plated/dp/B07232M876/
Hakko FX-888D Soldering Iron
$129.95
1
$129.95
https://www.adafruit.com/product/1204
Helping Hands with Magnifier for Soldering
$17.98
1
$17.98
https://www.amazon.com/Weller-Helping-Hands-Magnifier-WLACCHHB-02/dp/B08FQB6XT3/
Rubber Non-Slip Pads
$9.99
1
$9.99
https://www.amazon.com/gp/product/B0B29NVD8R/
Rosin Core Solder
$11.99
1
$11.99
https://www.amazon.com/gp/product/B076QF1Y85/
Wire Stripper
$52.85
1
$52.85
https://www.amazon.com/gp/product/B000RFSWF8/
24AWG Solid Wire
$14.94
1
$14.94
https://www.amazon.com/gp/product/B08BBXTBL7/
M4 Nylon Phillips Pan Head Screws
$12.99
1
$12.99
https://www.amazon.com/HVAZI-Phillips-Washers-Assortment-Black-M4/dp/B098QDHCDP/
XPS Foam 1’x1’x20mm (4-pack)
$25.99
1
$25.99
https://www.amazon.com/Insulation-Polystyrene-Rectangles-Insulating-Modeling/dp/B0BRXZMVQS/
Subtotal
$353.72
Gravitational Mass Experiment
Analytical Balance
$124.55
1
$124.55
https://www.amazon.com/Bonvoisin-5000g-Calibration-Weight-Save-Dollars/dp/B09XHGG89B
XPS Foam 1’x1’x20mm (8-pack)
$43.99
1
$43.99
https://www.amazon.com/Insulation-Polystyrene-Rectangles-Insulating-Modeling/dp/B0BLH7DQ9M/
Subtotal
$168.54
Grand Total
$1058.67