SpudFiles Wiki - User contributions [en]

Common Ammo

2008-06-03T21:00:27Z

Spudfarm: /* Description of the table columns: */

== Description of the table columns: ==

; Ammo : The type of ammo. For ammo that is cut by the barrel, such as spuds, this gives a typical length of the ammo. The length of the ammo and the barrel diameter determine the actual size of the ammo. For spuds, there is more than one way to [[potato#Selection, cutting and use|cut]] the shell.
; Mass : The mass of the ammo in ounces (oz.) and grams.
; Diameter : The diameter of the ammo in inches (") and centimeters (cm). For ammo that is cut by the barrel, such as spuds, this is the barrel diameter. For ammo that is not cut, such as golf balls, this is the ammo's normal diameter.
; Cd : Coeficient of drag. The Cd of a particular ammo is usually dependent on the velocity of the ammo and whether or not it is spinning or tumbling.
; Terminal Velocity : The maximum velocity the ammo will reach when dropped, in air, form a great height.
; Barrel : Suggestions as suitable barrels for the particular ammo. Primarily for ammo that has a defined size, such as a tennis ball.
; Other Info : Various other bits of information concerning the ammo.

'''Table Notes'''
# The Cd values for the various sport balls (tennis ball, golfball ...) were calculated based on their terminal velocities using the equation Cd=2mg/(Aρvterminal2) with g=9.8m/s and ρ=1290g/m3. The terminal velocities were from [http://www.cord.org/uploadedfiles/CTNJune2002.pdf Terminal Velocity Teachers Notes] and [http://www.gantless.com/paper.html A Penny in Free Fall].

{| border="1" cellpadding="5" cellspacing="0" align="left" style="text-align:center"
|+ '''Common Spud Gun Ammo'''
|-
| '''Ammo''' || '''Mass''' || '''Diameter''' || '''Cd''' || '''Terminal Velocity''' || '''Barrel''' ||''' Other Info'''
|-
!colspan="7" align="left" | '''Fruit + Vegetables'''
|-
| half [[Potato]], 2"L || 2.5 oz., 72g || 1.59", 4.04cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| half [[Potato]], 2"L || 5.0 oz., 120g || 2.05", 5.21cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| full [[Potato]], 4"L || 5.1 oz., 140g || 1.59", 4.04cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| full [[Potato]], 4"L || 10 oz., 240g || 2.05", 5.21cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| Apple, || 4.2 oz., 110g || 2.05", 5.21cm || - || - || 2" SCH 40 || align=left|
* density ~0.95g/cm3
|-
| Citrus Fruit, || 3.5 oz., 100g || 2.05", 5.21cm || - || - || 2" SCH 40 ||align=left|
* density ~0.9g/cm3
|-
!colspan="7" align="left" | '''Balls'''
|-
| Ping-Pong Ball || 0.095 oz., 2.7g || 0.95", cm || 0.460 <br\> (note 1) || 9m/s, 30fps || - || -
|-
| [[Golf ball]] || 1.59 oz., 45g || 1.68", 4.27cm || 0.299 <br\> (note 1) || 40m/s, 132fps || - || -
|-
| [[Tennis_ball|Tennis Ball]] || 2.08 oz., 59g || 2.56", 6.5cm || 0.283 <br\> (note 1) || 31m/s, 102fps ||align=left|
* 2.5" SCH 40
* 2.5" SDR 21
* 2.5" SDR 26
|| -
|-
| Baseball || 5.1 oz., 145g || 2.9", 7.4cm || 0.290 (note 1) || 42m/s, 138fps || - || -
|-
| Basketball || 21.2 oz., 600g || 9.5", 24.1cm || 0.500 (note 1) || 20m/s, 66fps || - || -
|-
!colspan="7" align="left" | '''Ball Bearings (BBs, Airsoft, Paintballs...)'''
|-
| 0.177" Copper/Steel BB || 0.0116 oz, 0.33g || 0.177", 0.45cm || - || - || - || -
|-
| 6mm Airsoft || 0.0071 oz., 0.20g || 0.23", 0.6cm || - || - || - || -
|-
| .68" [[Paintball]] || 0.1 oz., 3.2g || ?", ?cm || - || - ||align=left| * 0.5" SDR 13.5 || -
|-
| .61" glass [[marble]] || 0.17 oz., 5g || .61", 1.5cm || - || - || 18mm copper || -
|-
!colspan="7" align="left" | '''Batteries'''
|-
| AA || ? oz., ?g || ?", ?cm || - || - || - || -
|-
| AAA || ? oz., ?g || ?", ?cm || - || - || - || -
|-
| [[C_Cell|C]] || 2.4-2.6 oz., 68-74g || 0.996", 2.53cm || - || - || - ||align=left|
* 2" (5.1cm) long
* mass varies by brand
|-
| D || ?? oz., ??g || ?", ?cm || - || - || - || -
|-
!colspan="7" align="left" | '''Other Things'''
|-
| [[CO2_cartridge|12g CO2 Cartridge]] (empty) || 1.05 oz., 30g || 0.73", 1.85cm || - || - ||align=left|
* 0.75" SCH 40 PVC
* 22mm Copper pipe
|| -
|-
| [[Ice]] || ?? oz., ??g || ?", ?cm || - || - || - || -
|-
| [[Pycrete]] || ?? oz., ??g || ?", ?cm || - || - || - || -
|-
| Film Canister || 0.5oz., 12g || 1.45", 3.7cm || - || - ||align=left|
*1.25" SCH 40
*40mm 10bar
||* Fits better with the right sized lid, still very good otherwise
|-
| [[Beverage_can|Soda Can]] || 13.0 oz., 369g (water filled) || 2.6", 6.6cm || - || - ||align=left|
* 2.5" SDR 26
* [[Sleeved]] 3" SCH 40
|| -
|}

[[Category:Projectiles]]

Common Ammo

2008-06-03T20:55:49Z

Spudfarm: /* Description of the table columns: */

== Description of the table columns: ==

; Ammo : The type of ammo. For ammo that is cut by the barrel, such as spuds, this gives a typical length of the ammo. The length of the ammo and the barrel diameter determine the actual size of the ammo. For spuds, there is more than one way to [[potato#Selection, cutting and use|cut]] the shell.
; Mass : The mass of the ammo in ounces (oz.) and grams.
; Diameter : The diameter of the ammo in inches (") and centimeters (cm). For ammo that is cut by the barrel, such as spuds, this is the barrel diameter. For ammo that is not cut, such as golf balls, this is the ammo's normal diameter.
; Cd : Coeficient of drag. The Cd of a particular ammo is usually dependent on the velocity of the ammo and whether or not it is spinning or tumbling.
; Terminal Velocity : The maximum velocity the ammo will reach when dropped, in air, form a great height.
; Barrel : Suggestions as suitable barrels for the particular ammo. Primarily for ammo that has a defined size, such as a tennis ball.
; Other Info : Various other bits of information concerning the ammo.

'''Table Notes'''
# The Cd values for the various sport balls (tennis ball, golfball ...) were calculated based on their terminal velocities using the equation Cd=2mg/(Aρvterminal2) with g=9.8m/s and ρ=1290g/m3. The terminal velocities were from [http://www.cord.org/uploadedfiles/CTNJune2002.pdf Terminal Velocity Teachers Notes] and [http://www.gantless.com/paper.html A Penny in Free Fall].

{| border="1" cellpadding="5" cellspacing="0" align="left" style="text-align:center"
|+ '''Common Spud Gun Ammo'''
|-
| '''Ammo''' || '''Mass''' || '''Diameter''' || '''Cd''' || '''Terminal Velocity''' || '''Barrel''' ||''' Other Info'''
|-
!colspan="7" align="left" | '''Fruit + Vegetables'''
|-
| half [[Potato]], 2"L || 2.5 oz., 72g || 1.59", 4.04cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| half [[Potato]], 2"L || 5.0 oz., 120g || 2.05", 5.21cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| full [[Potato]], 4"L || 5.1 oz., 140g || 1.59", 4.04cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| full [[Potato]], 4"L || 10 oz., 240g || 2.05", 5.21cm || - || - || 1.5" SCH 40 ||align=left|
* density ~1.1g/cm3
|-
| Apple, || 4.2 oz., 110g || 2.05", 5.21cm || - || - || 2" SCH 40 || align=left|
* density ~0.95g/cm3
|-
| Citrus Fruit, || 3.5 oz., 100g || 2.05", 5.21cm || - || - || 2" SCH 40 ||align=left|
* density ~0.9g/cm3
|-
!colspan="7" align="left" | '''Balls'''
|-
| Ping-Pong Ball || 0.095 oz., 2.7g || 0.95", cm || 0.460 <br\> (note 1) || 9m/s, 30fps || - || -
|-
| [[Golf ball]] || 1.59 oz., 45g || 1.68", 4.27cm || 0.299 <br\> (note 1) || 40m/s, 132fps || - || -
|-
| [[Tennis_ball|Tennis Ball]] || 2.08 oz., 59g || 2.56", 6.5cm || 0.283 <br\> (note 1) || 31m/s, 102fps ||align=left|
* 2.5" SCH 40
* 2.5" SDR 21
* 2.5" SDR 26
|| -
|-
| Baseball || 5.1 oz., 145g || 2.9", 7.4cm || 0.290 (note 1) || 42m/s, 138fps || - || -
|-
| Basketball || 21.2 oz., 600g || 9.5", 24.1cm || 0.500 (note 1) || 20m/s, 66fps || - || -
|-
!colspan="7" align="left" | '''Ball Bearings (BBs, Airsoft, Paintballs...)'''
|-
| 0.177" Copper/Steel BB || 0.0116 oz, 0.33g || 0.177", 0.45cm || - || - || - || -
|-
| 6mm Airsoft || 0.0071 oz., 0.20g || 0.23", 0.6cm || - || - || - || -
|-
| .68" [[Paintball]] || 0.1 oz., 3.2g || ?", ?cm || - || - ||align=left| * 0.5" SDR 13.5 || -
|-
| .61" glass [[marble]] || ? oz., ?g || ?", ?cm || - || - || - || -
|-
!colspan="7" align="left" | '''Batteries'''
|-
| AA || ? oz., ?g || ?", ?cm || - || - || - || -
|-
| AAA || ? oz., ?g || ?", ?cm || - || - || - || -
|-
| [[C_Cell|C]] || 2.4-2.6 oz., 68-74g || 0.996", 2.53cm || - || - || - ||align=left|
* 2" (5.1cm) long
* mass varies by brand
|-
| D || ?? oz., ??g || ?", ?cm || - || - || - || -
|-
!colspan="7" align="left" | '''Other Things'''
|-
| [[CO2_cartridge|12g CO2 Cartridge]] (empty) || 1.05 oz., 30g || 0.73", 1.85cm || - || - ||align=left|
* 0.75" SCH 40 PVC
* 22mm Copper pipe
|| -
|-
| [[Ice]] || ?? oz., ??g || ?", ?cm || - || - || - || -
|-
| [[Pycrete]] || ?? oz., ??g || ?", ?cm || - || - || - || -
|-
| Film Canister || 0.5oz., 12g || 1.45", 3.7cm || - || - ||align=left|
*1.25" SCH 40
*40mm 10bar
||* Fits better with the right sized lid, still very good otherwise
|-
| [[Beverage_can|Soda Can]] || 13.0 oz., 369g (water filled) || 2.6", 6.6cm || - || - ||align=left|
* 2.5" SDR 26
* [[Sleeved]] 3" SCH 40
|| -
|}

[[Category:Projectiles]]