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—– Original Message —–

From: Paul Kidd

To: cob-ss424@comcast.net

Sent: Thursday, August 12, 2010 9:59 PM

Subject: FW: SCORPION

Shipmates:

I was a Main Power electrician on 5 of the 7 Smoke boats I rode. At the shipyard in the ‘old days’ we used to steam clean old battery cell cases and mix the electrolyte (H2SO4—sulfuric acid and water). After installing the assembled positive and negative plates (with their separators) we then poured in the electrolyte, and put in the initial charge, then a ‘normal plus one’ (an added one-hour charge, after cell voltage was completely up). I write this only to say I became pretty thoroughly familiar with Smoke Boat batteries.

What follows relates to Capt. Hal’s intriguing find regarding loss of Scorpion, which had a 126 cell (252 Volt + or -) battery, which was a Gould, TLX-53-A.  In 1960 I was an EM1(SS) in charge of Main Power on Growler (SSG-577) in Pearl Harbor Shipyard, where (being a ‘four-battery Boat) we were to assemble and give the initial charge to a total of 504 cells. Our EMC(SS) Luther Samuels was on emergency leave, but he had assured our CO (LtCdr Henderson) that I was perfectly capable of handling the job—especially since I could call on Shipyard Expertise when needed.  When the assembled battery plates were delivered to the yard I went and picked up the instruction manual put our by Gould—and, Lo! Right on the cover it said GOULD, TLX-53-A.

Knowing that the letter ‘A’ referred to there being 5% lead antimony added to each positive plate, this plainly marked our new battery cells as having built for Nuclear Power Boats only. From personal battery research, I knew that the addition of lead antimony meant that the plates could accept a normal ‘trickle charge’ of long duration, but I did not know if the TLX 53-A would take a lot of heavy charge and discharge cycles, such as Smoke Boat batteries must. Of course I got ‘on the horn’ with a Gould Rep in San Diego, and asked him. He was excited, and let me know that we could not use that battery in Growler, if it was indeed a ’53-A.’ He said that the TLX 53-A gassed a bit more when charged than the TLX 53, but since the Nuclear Submarines only used 126 cells, and had the ability to ‘eliminate’ the gas, they were safe.

Of course I had already scraped a tiny amount of lead ‘paste’ from a positive plate, and delivered it to the shipyard chemist, and indeed it showed exactly 5% lead antimony present and I told him so. They flew the correct cells out on the next cargo plane and we had them the next day.

I am not implying that the Gould TLX-53 was chronically unsafe, for I do not know. I do know, however, what can happen to a Smoke Boat when the main batteries explode: On 21 February 1955, while recharging batteries in the San Francisco Navy Yard, a build-up of hydrogen gas caused an explosion and fire, damaging the USS Pomodon (SS-486) and killing five men. Pasquale Talladino EN2(SS) received the Navy & Marine Corps Medal, for after the third explosion he entered the control room through the conning tower in an attempt to rescue anyone who might still be alive. And for what its worth I totally agree with the article—and I could (if prodded) give reasons to support the theory of two separate battery cell explosions.

DBF/Paul K

—–Original Message—–
From: Hal Anderson [mailto:HAnderson64@charter.net]
Sent: Thursday, August 12, 2010 5:36 PM
To: Paul Kidd
Subject: SCORPION

This has taken too long, over 42 years, but it seems quite convincing.  Would have liked to have known this when I had command of SHARK (‘79-’83).

Hal Anderson

—–Original Message—–
From: BlackfinSS322@aol.com
To: SCORPION-99@yahoogroups.com
Sent: Thu, Aug 12, 2010 6:56 am
Subject: [SCORPION-99] Battery Explosion

SCORPION Extended Family,

Bruce Rule has just written to the Director of Naval Intelligence with this scenario of the SCORPION loss.

Bruce comes to this based on his acoustic analysis which has previously been posted to SCORPION-99 on several occasions over the past couple of years.

That analysis indicated that there were two very distinct precursor events and Bruce has determined that only a battery explosion could account for them. Researching other prior investigation material, Bruce has found corroborating evidence.

Perhaps now the Navy Department will make an official statement so that future purveyors of fantasy scenarios will look elsewhere to sate their desires to distort history.

For the SCORPION 99, John Howland

6 August 2010 
 
From: B. Rule, 3931 Brookfield Ave, Louisville, KY 40207-2001  
To: VADM David J. Dorsett, Director of Naval Intelligence, Office of Naval Intelligence,    4251 Suitland Road, Washington, DC 20395-5720 
 
Subj: Why the USS SCORPION (SSN-589) Was Lost on 22 May 1968 
 
Ref: (a) Originator’s ltr of 14 Mar 2009 
  (b) SCORPION SAG Report: “EVALUATION OF DATA AND ARTIFACTS   RELATED TO THE USS SCORPION (SSN-589) (U)” of 29 June 1970,   prepared for presentation to the CNO SCORPION Technical Advisory Group by  the Structural Analysis Group: Peter Palermo, CAPT Harry Jackson, Robert Price, et al. 
  (c) Originator’s ltr of 28 Oct 2009 
 
Encl: (1) Enclosure (1) to Originator’s ltr of 14 March 2009 
 
ASSESSMENT 
 
The USS SCORPION was lost because hydrogen produced by the 65-ton, 126-cell TLX-53-A main storage battery exploded in two-stages one-half second apart at 18:20:44Z on 22 May 1968. These events, which did not breach the pressure-hull, prevented the crew from maintaining depth-control. As discussed by reference (a), the SCORPION pressure-hull collapsed at 18:42:34Z at a depth of 1530-feet. Noted times are actual event times on board SCORPION. 
 
This assessment is NOT the generic attribution of the loss of a submarine to a battery-explosion advanced as a default explanation in the absence of any more likely construct. This assessment is based on (1), the results of examination and microscopic, spectrographic and X-ray diffraction analyses of recovered SCORPION battery material that confirm an explosion occurred, and (2), the July 2008 reanalysis of the SCORPION “precursor” acoustic signals that identified these signals as explosions contained within the SCORPION pressure-hull. Collectively, these findings indicate battery explosions were the initiating events responsible for the loss of SCORPION on 22 May 1968. 
 
DISCUSSIONS: EXAMINATION AND METALLURGICAL ANALYSIS OF A RECOVERED SCORPION BATTERY COMPONENT 
 
Section 7.1.3, page 7.2 of reference (b) states: (quote) ….the general battery damage is violent. The high velocity intrusion of pieces of the flash arrestor into both inside and outside surfaces of the retrieved plastisol cover attest to violence in the battery well. The damage to the terminal battery post coupled with the violent tearing of the plastisol covers indicates the possibility of a battery explosion. While it is possible that this damage could have been an after-effect of hull implosion, the SAG (Structural Analysis Group) feels that the intrusion of particles into the plastisol cover would have been much less severe had water been in the battery well at the time. (end quote) 
 
Section 5.3.6, page 5.17 of reference (b) states: (quote) The battery installed in SCORPION was a TLX-53-A, manufactured by Gould-National Battery, Inc. Battery cell debris is in evidence over the entire debris field. Table 5-2, page 5.38 provides a list of the battery debris identified by the Portsmouth Naval Shipyard analysis team. (end quote) Comment: Table 5-2 notes damage from heat and melting. The presence of melting eliminates the possibility that such damage occurred as a result of pressure-hull collapse (implosion) because analysis of acoustic data discussed by Section IV of reference (c), confirms SCORPION was fully-flooded within 0.112-seconds of pressure-hull and bulkhead collapse; hence, the melting damage (and the battery explosion) had to have occurred within the still-intact SCORPION pressure-hull. 
 
In consonance with this conclusion, Section 5.3.6, page 5.17 of reference (b) also states: (quote) the Portsmouth Naval Shipyard Analysis Group reports that the available evidence indicates the battery probably exploded at some time before flooding of the battery well occurred. Review of Figure 5-13 indicates that the threads on the terminal posts were sheared off and there are no cover seal nuts remaining. This indicates that an explosion took place on the inside of the cells. The covers were completely blown off. Had the pressure been applied on the outside of the covers, the cover support flange on the terminal posts would have held pieces of the covers and it is expected that the cover seal nuts would have remained in place in at least some instances. ( end quote) 
 
Further, Section 5.3.6c, page 5.18 of reference (b) states: (quote) The (battery cover) sample from SCORPION had been violently, but locally, torn, particularly at the location of the bus connection bolts and nuts. The deformation in this region appears to have started on the inside, or battery side of the cover. (end quote) 
 
And finally, Section 5.3.6e, page 5.18 of reference (b) states: (quote) Some 20 equally small (nearly sub-visible) fragments of material were imbedded at high velocity in both the inside and outside of the sample. The trajectories of the fragments were essentially random, ranging from grazing to vertical incidence. Microscopic, spectrographic and X-ray diffraction analyses reveal that these fragments are identical in composition and structure to the alumina flash arrestors used on the batteries in SCORPION. (end quote) 
 
DISCUSSIONS: SCORPION ACOUSTIC DATA 
 
Enclosure (1) to reference (a), forwarded as enclosure (1) to this letter, provides detailed discussions of four independent lines of evidence that, collectively, established, for the first time, that the two “precursor” acoustic events that occurred at 18:20:44Z, 21-minutes and 50-seconds before hull-collapse, were explosions from then unidentified sources that were contained within the SCORPION pressure-hull. The energy yield of these explosive events, now assessed to have been battery-associated, is estimated to have been no more than about 20-lbs of TNT each. 
 
The July 2008 identification of the precursor acoustic events as explosions contained within the SCORPION pressure-hull strongly supports the battery explosion conclusion advanced by reference (b), i.e., the acoustic data identifies the actual explosive events previously assumed by the authors of reference (b), the SAG Report, to have occurred based on the observed damage to a recovered battery component discussed above. 
 
CONCLUSION 
 
Collectively, the above information indicates the two acoustic events that occurred 0.5-seconds apart at 18:20:44Z were produced by explosions associated with the SCORPION TLX-53-A battery, and were the initiating events responsible for the loss of SCORPION on 22 May 1968. Additional information will be provided as developed. 
 
B. Rule  
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