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Waidmannsheil
.400 member

Reged: 19/04/13
Posts: 2446
Loc: Melbourne Australia

Twist rate
#334798 - 24/11/19 06:00 PM

Gentlemen, could anybody please tell me the original twist rate used with the 400/350 Rigby and the 350 Rigby Magnum. Thanks in advance.

Matt.

--------------------
There is nothing wrong with vegetarian food, so long as there is meat with it.

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Rule303
.450 member

Reged: 05/07/09
Posts: 5063
Loc: Woodford Qld

Re: Twist rate [Re: Waidmannsheil]
#334824 - 25/11/19 05:14 PM

Matt, somewhere in my foggy memory 1 in 16 for the 350Rigby magnum comes to mind. Though I am skeptical as this calibre used 300 grain projectiles and I would think 1 in 14 would be required to stabilize this weight.

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DarylS
.700 member

Reged: 10/08/05
Posts: 27006
Loc: Beautiful British Columbia, Ca...

Re: Twist rate [Re: Rule303]
#334852 - 26/11/19 05:14 AM

1 in 14" (about minimum, I think) would make more sense than 16", yes.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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underlever
.300 member

Reged: 01/02/07
Posts: 164
Loc: N.S.W Australia

Re: Twist rate [Re: DarylS]
#334868 - 26/11/19 05:33 PM

I will measure my 400-350 Rigby Farquharson and report back soon. I'm interested myself as it was made to shoot the 310 gr bullet.

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DarylS
.700 member

Reged: 10/08/05
Posts: 27006
Loc: Beautiful British Columbia, Ca...

Re: Twist rate [Re: underlever]
#334888 - 27/11/19 04:25 AM

Yes please.

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Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Waidmannsheil
.400 member

Reged: 19/04/13
Posts: 2446
Loc: Melbourne Australia

Re: Twist rate [Re: DarylS]
#334894 - 27/11/19 07:06 AM

Thanks for the input Gentlemen. I agree, about 1:14 would be my guess as it is similar to the 9.3x62 with a similar bullet weight. Could be 1:12 like the 375 H&H but as the Rigby was earlier when they tended to use a slower twist rate I recon 1:14 is more likely.

Underlever, thanks for going to the trouble, I am looking forward to your answer. By the way, your rifle sounds like a beauty.

Matt.

--------------------
There is nothing wrong with vegetarian food, so long as there is meat with it.

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underlever
.300 member

Reged: 01/02/07
Posts: 164
Loc: N.S.W Australia

Re: Twist rate [Re: Waidmannsheil]
#334909 - 27/11/19 06:30 PM

With cleaning rod and tight patch I did measure. The result was 1 turn in 13 inches +/-.

Which is the easiest way of putting up a few pics? I did use photobucket but haven't worried about such things for quite a while and I'm much more comfortable with chisels than keyboards.

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Waidmannsheil
.400 member

Reged: 19/04/13
Posts: 2446
Loc: Melbourne Australia

Re: Twist rate [Re: underlever]
#334916 - 27/11/19 08:44 PM

Thanks for doing that for me. Well our guesses weren't that far out, sounds about right anyway.

There are several threads about posting photos in the main index.

Matt.

--------------------
There is nothing wrong with vegetarian food, so long as there is meat with it.

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Homer
.416 member

Reged: 07/04/09
Posts: 3081
Loc: Canberra, Australia

Re: Twist rate [Re: Waidmannsheil]
#334990 - 29/11/19 10:55 AM

G'Day Fella's,

Waidmannsheil, I have just looked thru my referrence material, unfortunately without success.

I would go with that the other blokes have suggested.

Avagreatweekendeh!
Homer

--------------------
"Beware the Lolly Pop of Mediocrity,
Lick it Once and You Will Suck Forever"

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