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SP 101 Ka boom

This is a discussion on SP 101 Ka boom within the Ruger Double Action forums, part of the Pistol & Revolver Forum category; Please pay attention to this. SP 101 _model: 05 737 serial number: 573-79802 Catalog n: KSP-821X caliber : 38 +P Prod date: 07/08/2008 Bought new ...


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Old March 25th, 2013, 04:20 AM   #1
 
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SP 101 Ka boom

Please pay attention to this.
SP 101 _model: 05 737
serial number: 573-79802
Catalog n: KSP-821X
caliber : 38 +P
Prod date: 07/08/2008

Bought new and ess than 80 ammo fired ...cylinder cracked.:

See pictures in: "Pictures" cat revolver on the forum.
Don' t know how to place pictures on the post.


E-mail to the seller(pro armorer)
Waiting for the answer
E-mail to Ruger.
Waiting for the answer

I will let you know, answers, as soon as possible.



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Old March 25th, 2013, 04:24 AM   #2
 
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See Pictures 1/5-2/5-3/5-4/5-5/5 on the cat Revolver pictures from forum home page

http://rugerforum.net/pictures/ruger...p1360-1-5.html

Last edited by Iowegan; March 25th, 2013 at 08:30 AM.
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Old March 25th, 2013, 05:53 AM   #3
 
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Nasty! Please keep us informed of your findings and how Ruger reacts...I have the exact same gun from about the same period and never a problem at all. Impossible to tell for sure from the pictures and the condition of the cylinder but in 5/2 the cartridge that is loaded to the left seems to be sticking up a bit from seating flush...Is there any chance that the ammo was hand loads rather than factory and if factory what make etc...
Let us know.
Thanks
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Old March 25th, 2013, 06:01 AM   #4
 
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When I emailed Ruger, they replied in one or two days and told me to call them. You might be better off calling them, the wait time was less than 15 minutes both times I called.

EDIT: I second Opos's question, what kind of ammo was it?

Last edited by craZivn; March 25th, 2013 at 06:03 AM.
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Old March 25th, 2013, 06:04 AM   #5
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What ammo did you use in it?
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Old March 25th, 2013, 07:14 AM   #6
 
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Thank you guys.

Reloaded ammo with Vithavuori N 320.(0,32 gr)
IMI cases
Fiocchi primers
Frontier Bullet FP 158 grs
Controled velocity from this barrel: 260 m/s (+- 5 m/s)
Every round gauged with Dillon tools before firing it.

After fired:
No primer drilled
No sticky cases when ejected from cylinder.

Use these "kind" of ammo from years now.
Before using them in Taurus Tracker (357 mag): no problem ever.

Reloaded with Dillon 550 RLB.
Lee reloaded tools (with : factory crip die)

I will let you know how Ruger will react.
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Old March 25th, 2013, 07:25 AM   #7
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Did you say 32 gr of N320? Sorry I'm having trouble with your shorthand. The velocity was chronied at 260 m/s?

Last edited by terry_p; March 25th, 2013 at 07:31 AM.
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Old March 25th, 2013, 07:31 AM   #8
 
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Took me a lil while to find the pics, new to navigating the forum. That's a nasty crack I hope you get some good news from ruger.
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Old March 25th, 2013, 07:38 AM   #9
 
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Quote:
Originally Posted by terry_p View Post
Did you say 32 gr of N320? Sorry I'm having trouble with your shorthand. The velocity was chronied at 260 m/s?
Sorry
I should have wrote 0.32 gramme (1 kg=1000 g)>>> 4,3 grs
Yes for velocity , chronied at 260 m/s >>> 850 fps

Last edited by Kermit from France; March 25th, 2013 at 07:43 AM.
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Old March 25th, 2013, 07:41 AM   #10
 
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If I read the postings correctly, 32 grains of #320 Vithavouri was used.

If I read the Vithavouri chart correctly, 30 grains is maximum.

Is it possible loads were always near the "too hot" level and this time things went wrong? Maybe an extra grain or two over the stated 32? Maybe the bullet seated a few thousandths deeper than usual?

Also, does your Ruger manual state that reloads are forbidden to keep
warranty?
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Old March 25th, 2013, 08:03 AM   #11
 
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Quote:
Originally Posted by UncleED View Post
If I read the postings correctly, 32 grains of #320 Vithavouri was used.

If I read the Vithavouri chart correctly, 30 grains is maximum.

Is it possible loads were always near the "too hot" level and this time things went wrong? Maybe an extra grain or two over the stated 32? Maybe the bullet seated a few thousandths deeper than usual?

Also, does your Ruger manual state that reloads are forbidden to keep
warranty?
First i check the chart and then step by step i prepare "the" good ammo.
That don 't mean "everybody wrong" except me , no.
I reload step by step for each gun i use until i reach compromise:the good speed + good accuracy + good feeling during shooting.

Do it with every ammo i reload.

Anyway: i repeat never had a problem before with my old Taurus Tracker re-selled for this new SP 101.
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Old March 25th, 2013, 08:09 AM   #12
 
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Quote:
Originally Posted by terry_p View Post
Did you say 32 gr of N320? Sorry I'm having trouble with your shorthand. The velocity was chronied at 260 m/s?
Just guessing here but I believe he said 0.32 grams of powder i.e 4.93 grains.

Sorry Kermit, didn't see your reply until after posting.

Last edited by rockdrill; March 25th, 2013 at 08:12 AM.
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Old March 25th, 2013, 08:10 AM   #13
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Uncle Ed:

The VTH manual lists 6.2-6.6 gr as the range on a 158 gr Speer with it chronying 335-354 M/S. The load he used was 4.3 gr and looks like a soft shooting load and the chrony spped of 260 M/S confirms it so that shouldn't have cracked the cylinder. A bullet in the BBL would seem to me to cause issues in the BBL so I suspect it is a defect in the cylinder assuming other loads weren't used before that qualified as bombs.

I'm sure Ruger will want to have a look at it and stand behind it.
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Old March 25th, 2013, 08:17 AM   #14
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Looks like a double charge??? It takes a lot of pressure to crack the cylinder all the way through to the center hole. I ran the load through QuickLOAD ... 4.3 gr of VVH 320 with a 158 gr bullet runs right at the SAAMI max for a non-+P (17k psi) .... plenty safe in any 38 Special. A double charge (8.6 gr) would produce 64k psi, which indeed would Kaboom any 38 Special or 357 Mag.

Last edited by Iowegan; March 25th, 2013 at 08:44 AM.
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Old March 25th, 2013, 08:32 AM   #15
 
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Good luck with this and let us know how it turns out. I know plenty of folks reload and never have a problem, but page 11 of the manual says -

Ruger Revolvers are designed for use with cartridges of the correct caliber which are manufactured in accordance with US industry standards.

We specifically disclaim responsibility for any damage or injury whatsoever occurring in connection with or as a result of the use in the GP 100 Revolver of faulty, non-standard remanufactured or hand loaded (reloaded) ammunition or of cartridges other than those for which the firearm was originally chambered.

I always wondered what would happen in a situation like this. Please keep us updated and glad no one got hurt.
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