SDI BASIC BALLISTICS (BBS 100)
QUESTIONS AND ANSWERS
Ingagcrosswindgofg10gmilesgperghour,gag.22LRgbullet,gwithgagmuzzlegvelocitygof
g1335gfpsgwillgbegblowngdownwindghowgmanyginchesgatg100gyds?g-gans-
5gInches
WhatgwasgthegearlygGreekgtermgforgballistics,gmeaningg"togthrow"?g-gans-Ballein
Thegrealmgofginteriorgballisticsgextends:g-gans-
FromgthegBreechgofgthegGungtogthegMuzzle
Thegforwardgspeedgofgagbullet,gusuallygspecifiedgingfeetgpergsecond,gisgcalled:g
-gans-Velocity
Onegofgthegmoregconvenientgdevicesgforgdetermininggbulletgdropgisgthe:g-gans-
PowleygHighgVelocitygChart
Asgthegstudygofgballisticsgprogressed,gthegfieldgofgballisticsgwasgbrokengintogtwo
gdifferentlygphases:g-gans-InteriorgandgExteriorgBallistics
Thegrealmgofgthegexteriorgballisticsgextends:g-gans-FromgMuzzlegtogthegTarget
HeaviergBullets:g-gans-SustaingtheirgVelocityglongergthanglightergones
True/False:gEveryggungthisgisgfiredghasgrecoil.g-gans-True
Thegraisedgportiongingthegbore,gbetweengtwogadjacentggroovesgisgcalled:g-gans-
Land
Thegpressuregexertedgongthegchambergwallsgwhengagcartridgegisgfiredgisgcalled:
g-gans-BreechgPressure
Matchgthegfollowinggballisticgterms:
1.gBuckshot:
2.gCenterfire:
3.gEnergy:
4.gRifling:
5.gTrajectory:
6.gPressure:
7.gOgive:
, 8.gFoot/Pound:g-gans-1.gLargegleadgpelletsgusedgingshotgshells
2.gRefersgtogagcentrallyglocatedgprimer.gMostgaregreloadable.
3.gAmountgofgworkgcapablegofgbeinggdonegbygagprojectilegFoot/Pounds
4.gParallelgspiralggroovesgcutgintogthegbore
5.gThegpathgofgthegprojectilegingflight
6.gThegpressuregexertedgbygagburninggchargegofgpowdergingtheggun.gExpressed
gbygPSI.
7.gRadiusgofgthegcurvegofgthegbulletgnose,gusuallygexpressedgingcalibers
8.gUnitgofgKineticgEnergygtograiseg1glbgupg1gftgagainstgnormalggravity.
Ingag______________gcartridge,gthegprimergisglocatedgingagsmallgwall,gorgdepre
ssion,gingthegcentergofgthegcaseghead.g-gans-Centerfire
Eachgcartridgegisgmadegupgofg4gbasicgparts:g-gans-
Case,gPrimer,gPowder,gBullet
Ag____________gisgthegtermgusedgingmeasuringgbulletgdispersiong(1"g@g100gy
ds)g-gans-MinutegofgAngle
Riflinggconsistsgof:g-gans-LandsgandgGroovesgcutgingagRiflegBarrel
True/
False:gUndergpressuregofgthegpowderggas,gabdurationgtakesgplace,gingwhichgthe
gcasegexpandsgagainstgthegmagazinegwall,gmakinggagsemi-
rigidgsealgandgpreventingggasgfromgescapinggtogthegsidesg-gans-False
Ballisticsgdealgwith:g-gans-ThegSciencegofgMovinggProjectiles
Trajectorygisgbestgdescribedgas:g-gans-
ThegPatterngandgCurvedgPathgofgagBulletgingFlight
Bulletgenergygisgnormallygexpressedgin:g-gans-Foot/Pounds
Thegfollowingglinegdrawinggdepictsgonegofgthegfirstgsuccessfulgrimlessgcartridgeg
designsgingAmericangHistory.gWhatgisgthegnamegofgthisgcartridge?g-gans-
6MMgLeegNavy
Agcenterfiregcartridgegusesgagsmallgexplosivegdevicegcalledga:g-gans-Primer
Whatgisgthegmaingpurposegofgusinggagwadgcuttergbullet?g-gans-TargetgPractice
Whatgcomponentsgmadegupgthegfirstgmuzzleloadinggcartridges?g-gans-
PowdergandgLeadgBallgWrappedgingPaper
Theg8x57mmgCartridge-gdevelopedgingEuropeg-
gisgalsogknowngasgtheg______________gingAmerica.g-gans-8MMgMauser
QUESTIONS AND ANSWERS
Ingagcrosswindgofg10gmilesgperghour,gag.22LRgbullet,gwithgagmuzzlegvelocitygof
g1335gfpsgwillgbegblowngdownwindghowgmanyginchesgatg100gyds?g-gans-
5gInches
WhatgwasgthegearlygGreekgtermgforgballistics,gmeaningg"togthrow"?g-gans-Ballein
Thegrealmgofginteriorgballisticsgextends:g-gans-
FromgthegBreechgofgthegGungtogthegMuzzle
Thegforwardgspeedgofgagbullet,gusuallygspecifiedgingfeetgpergsecond,gisgcalled:g
-gans-Velocity
Onegofgthegmoregconvenientgdevicesgforgdetermininggbulletgdropgisgthe:g-gans-
PowleygHighgVelocitygChart
Asgthegstudygofgballisticsgprogressed,gthegfieldgofgballisticsgwasgbrokengintogtwo
gdifferentlygphases:g-gans-InteriorgandgExteriorgBallistics
Thegrealmgofgthegexteriorgballisticsgextends:g-gans-FromgMuzzlegtogthegTarget
HeaviergBullets:g-gans-SustaingtheirgVelocityglongergthanglightergones
True/False:gEveryggungthisgisgfiredghasgrecoil.g-gans-True
Thegraisedgportiongingthegbore,gbetweengtwogadjacentggroovesgisgcalled:g-gans-
Land
Thegpressuregexertedgongthegchambergwallsgwhengagcartridgegisgfiredgisgcalled:
g-gans-BreechgPressure
Matchgthegfollowinggballisticgterms:
1.gBuckshot:
2.gCenterfire:
3.gEnergy:
4.gRifling:
5.gTrajectory:
6.gPressure:
7.gOgive:
, 8.gFoot/Pound:g-gans-1.gLargegleadgpelletsgusedgingshotgshells
2.gRefersgtogagcentrallyglocatedgprimer.gMostgaregreloadable.
3.gAmountgofgworkgcapablegofgbeinggdonegbygagprojectilegFoot/Pounds
4.gParallelgspiralggroovesgcutgintogthegbore
5.gThegpathgofgthegprojectilegingflight
6.gThegpressuregexertedgbygagburninggchargegofgpowdergingtheggun.gExpressed
gbygPSI.
7.gRadiusgofgthegcurvegofgthegbulletgnose,gusuallygexpressedgingcalibers
8.gUnitgofgKineticgEnergygtograiseg1glbgupg1gftgagainstgnormalggravity.
Ingag______________gcartridge,gthegprimergisglocatedgingagsmallgwall,gorgdepre
ssion,gingthegcentergofgthegcaseghead.g-gans-Centerfire
Eachgcartridgegisgmadegupgofg4gbasicgparts:g-gans-
Case,gPrimer,gPowder,gBullet
Ag____________gisgthegtermgusedgingmeasuringgbulletgdispersiong(1"g@g100gy
ds)g-gans-MinutegofgAngle
Riflinggconsistsgof:g-gans-LandsgandgGroovesgcutgingagRiflegBarrel
True/
False:gUndergpressuregofgthegpowderggas,gabdurationgtakesgplace,gingwhichgthe
gcasegexpandsgagainstgthegmagazinegwall,gmakinggagsemi-
rigidgsealgandgpreventingggasgfromgescapinggtogthegsidesg-gans-False
Ballisticsgdealgwith:g-gans-ThegSciencegofgMovinggProjectiles
Trajectorygisgbestgdescribedgas:g-gans-
ThegPatterngandgCurvedgPathgofgagBulletgingFlight
Bulletgenergygisgnormallygexpressedgin:g-gans-Foot/Pounds
Thegfollowingglinegdrawinggdepictsgonegofgthegfirstgsuccessfulgrimlessgcartridgeg
designsgingAmericangHistory.gWhatgisgthegnamegofgthisgcartridge?g-gans-
6MMgLeegNavy
Agcenterfiregcartridgegusesgagsmallgexplosivegdevicegcalledga:g-gans-Primer
Whatgisgthegmaingpurposegofgusinggagwadgcuttergbullet?g-gans-TargetgPractice
Whatgcomponentsgmadegupgthegfirstgmuzzleloadinggcartridges?g-gans-
PowdergandgLeadgBallgWrappedgingPaper
Theg8x57mmgCartridge-gdevelopedgingEuropeg-
gisgalsogknowngasgtheg______________gingAmerica.g-gans-8MMgMauser