Talk:M734 fuze
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[edit]This fuze is consists of four types of detonation method.
1.Proximity burst above 3 to 13 feet. 2.Near surface-burst 0 to 3 feet above ground. 3.Impact burst at hitting on the ground. 4.Delay burst 1/2 second after landing impact.
- I tried to avoid mixing feet and meter units in the article.
- I will use your notation for HOB since it is the usual practice and I will keep 100 meters for arming since that is common. Thanks for the input.
- Why do you say the DLY is 1/2 second? Do you know the brand name of the Delay Primer Assembly, or do you know where it is stated in the Fuze Specs? I need to confirm this because the shell would travel pretty far in half a second after impact. Can you can steer me to a reference?? 24.170.246.95 (talk) 00:23, 9 October 2010 (UTC)
- Thanks for bringing this to my attention. I found references for DLY time listed both as 0.05 AND 0.5 seconds
- http://www.inetres.com/gp/military/infantry/mortar/81mm.html ..... says .05 sec in fuze train before detonation
- http://www.inetres.com/gp/military/infantry/mortar/60mm.html ..... says .5 sec for detonation
- So it is clear that 0.05 sec is the delay time when the fuze is set DLY, and 0.5 sec is the time to explode the shell when the fuze is set IMP and fails to function so it switches to DLY. I am including both in the article. Luceyg (talk) 16:55, 1 November 2010 (UTC)
Fuze
[edit]A fuze and fuse are different as indicated on Fuse (explosives). A fuse is used in fireworks. A fuze would be in M734. This link [1] has more info about the fuze. That is the spelling I am changing--138.162.0.42 14:03, 23 December 2005 (UTC)
_______________ --I think the delay function is only for .05 seconds...
- * Thanks, the error in DLY time was corrected line Luceyg (talk) 06:06, 8 October 2010 (UTC)
- Thanks for bringing this to my attention. I found references for DLY time listed both as 0.05 AND 0.5 seconds
- http://www.inetres.com/gp/military/infantry/mortar/81mm.html ..... says .05 sec in fuze train before detonation
- http://www.inetres.com/gp/military/infantry/mortar/60mm.html ..... says .5 sec for detonation
- So it is clear that 0.05 sec is the delay time for the primer, and 0.5 sec is the time to explode the shell. Since this is confusing in the literature, I am including both in the article. Luceyg (talk) 05:04, 9 October 2010 (UTC)
Better explanations please
[edit]This is a general encyclopedia, with the general public as its main audience. So will somebody please translate the following into civilianspeak : "The fuze has three safety/arming mechanisms: initial arming is via setback (>395 gs), accompanied by a velocity change of 70 ft/s sustained airflow to the turbine alternator for a minimum of 100 metres, coupled with apex detection for delayed electrical arming". This reads as if it is lifted straight out of an arms catalogue. Where/what is this turbine alternator ? What detects the setback ? apex detonation ?? Rcbutcher (talk) 03:22, 16 October 2008 (UTC)
- To accomplish these improvements, the text was been lengthened, pictures werew added, all components of the fuze were addressed, references added, external links updated, history added, technical wording was linked to explanations in Wikipedia, and language style changed from that of design engineers to wording that appeals to a broader audience. Luceyg (talk) 21:13, 6 October 2010 (UTC)
There is no "apex detection" in the M734 (basic). The apogee sensor was introduced in the M734A1 Fuze. Also, the M734 does not function at 4 m for the 120mm cartridge. —Preceding unsigned comment added by 75.147.66.185 (talk) 21:17, 27 September 2010 (UTC)
- To correct these errors, the reference to a 4mm burst height for the 120mm shell was removed, and the "apex detection" was changed from a M734 Fuze feature to a M734A1 product improvement.
- A request for a rating review to B-Class is also being made. Luceyg (talk) 21:13, 6 October 2010 (UTC)
- Note: Editors increased the rating from Stub to Start Class but declared B-Class required improved referencing, so this will be done gradually. Luceyg (talk) 23:25, 16 October 2010 (UTC)
Any information regarding cost of the fuze?
[edit]I think it would be useful to add cost of the fuze, either designed cost or actual procurement cost. I don't know if this kind of information is readily available for squad-level materiel Edgriebel (talk) 14:51, 27 July 2011 (UTC)
- Good suggestion. I will see if data are still available for the first production fuzes. The problem may be that there are no publications readily available to the public interested in verify data from my program files, so simply citing contact numbers may have to suffice. Luceyg (talk) 05:21, 26 August 2011 (UTC)
- Being retired I no longer have access to the fuze contract records, and internet searches only showed the cost of fuzes mounted on rounds. Suffice it to say the costs met the R&D design goals as long as the procurements for stockpile were competitive rather than sole source.
Luceyg (talk) 00:21, 4 September 2011 (UTC)
- A record of the first-production costs was located in April 2012 and was added as suggested by Edriebell.Luceyg (talk) 19:39, 21 April 2012 (UTC) Luceyg (talk) 19:37, 21 April 2012 (UTC)
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