Jump to content

Hispano Mk.V Ammuniton


the_emperor
 Share

Recommended Posts

I dug through some old hard drives and found some old  compiled pdfs for the allied 20mm aircraft ammunition which was introduced in summer ´44 to have all rounds to have simillar ballistics (TM9-1901 29th June 1944).

The rounds are the M-95 AP-T, the M-96 Incendiary and (I guess for us the most interesting round)  the M-97 HE-I round.

All of aprox 0.29 pound (131.55g) weight and 2,800fps muzzle velocity and 1.66 seconds of flight time to travel 1,000 yards.

The HE-I carries 0.017lbs/7,71g Tetryl/Incendiary mixture (aprox. 0.012lbs/5,44g Tetryl and 0.05lbs/2,27g Incendiary) and has a super-quick (S.Q.) fuze with  instantaneous action upon impact on light material (e.g. aircraft skin). No indication on any delay mechanism or charge.

Enjoy :)

 

Intoduction.thumb.PNG.adfbafbb231a87d61dbc80f84602c15d.PNGfuze.thumb.PNG.28829c41f196af80ac87e7701b19bae2.PNGRounds.thumb.PNG.eb5ee22f630de91a409465440a382dc4.PNGRounds2.thumb.PNG.292bd2e23504fad68de1cb6c4b1d15e0.PNG

 

M97 20mm.PNG

Edited by the_emperor
Link to comment
Share on other sites

  • 1 month later...

Edit:

 

in the 1957 TM 9-1901-1, Ammunition for Aircraft Guns I found the specific HE/Incedniary Mixture for the M97 round:

0.012lbs Tetryl and 0.005lbs Incendiary.

This manual also gives us an update on the muzzle velocity if 2,730 feet/s (more accurate instruments to measure in ´57?)

Edit: the 2,730feet/s are for the M3 20mm autocannon, which has the same barrel length as the Hispano V if I am not mistaken.

Bu the manual still states approx. 1.66s flight time for 1,000 yards.

 

31565284_M9720mm.PNG.e4c208382d1132d7a715cd707e5261f0.PNG

Edited by the_emperor
  • Upvote 1
Link to comment
Share on other sites

  • 6 months later...
the_emperor
Posted (edited)

From June 1945 from the the Navy manual on fuzes and projectiles

 

Introduction.thumb.PNG.3070e3ba7c359695dd3242127e7fe429.PNG2050272464_HE-IM971.thumb.PNG.72b8ccee64ef167c2f421e2ef2042d92.PNG1704931466_HE-IM972.thumb.PNG.a13745122c833912066d92e06cb9b13d.PNG1906367262_M96Inc.thumb.PNG.ecb6b7bd1cb79226cb1f50bca5aac585.PNG341100996_M95APT.thumb.PNG.45e69cf9a48f6e8c5cabb26a205fe378.PNG387665375_M95APT2.thumb.PNG.0e18bf1eac4be89b38559c5f158a13b7.PNG348083292_M75fuse.thumb.PNG.1eda74652da61300e75769f7ecd19f94.PNG666985807_M75fuze.thumb.PNG.1b854f35049c1845dd0a4c35736ef9af.PNG

 

 

M96 Inc 2.PNG

53493434_OldHE-OMk1.thumb.PNG.ac1f901cd4a75f1e9ced4625ba9412c6.PNG2131718614_oldHE-Mk1.thumb.PNG.f97ab56ebd41dfb89b39a7c29aa00a5d.PNGM253.thumb.PNG.76e28ae1e32228cad5bedae963c19814.PNG977406446_M2532.thumb.PNG.3006b44f3abb1fa3ce76a36ddc340791.PNG

Edited by the_emperor
  • Upvote 1
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share

×
×
  • Create New...