[r-t] Common Grandsire singles in Oxford Bob Triples

edward martin edward.w.martin at gmail.com
Tue May 5 11:43:46 UTC 2009

Much obliged Steve. I'm afraid that I do not have a copy of said Collection :-(
However, since you speak of
"a singled-in block of 15 leads in place of 5 singled-in B-blocks"
I assume that the original 5 bobbed blocks happened to have a plain
lead q-set to link them up and what would work is if the blocks
contained the relationship:
Then omitting initial 3rds (as per New Grandsire) the blocks would
link together and the whole if  inverted would now ring as Grandsire
proper...a single to link any of the bobbed leads (ie former 'normal'
3rds) to the main comp would do the trick....However this IS an
exceptional condition (that 5 otherwise isolated bobbed blocks could
be linked by initially ringing New Grandsire on them) that I feel that
my original statement stands pretty solid

Eddie Martin.

2009/5/5 Stephen Ivin <s.ivin at btinternet.com>:
> edward martin wrote:
>>>> By comparison, Grandsire Triples is a much easier 3 lead splice, with
>>>> the 3 leads forming a bob course.
>> That is because the 5040 Grandsire can be set out initially  in 360
>> bobbed blocks each with a structure that IS symmetric about the path
>> of the treble. Even so, if common singles are used to include any
>> block of changes which cannot be joined to the main comp. by using
>> bobs, then this block MUST have no plain leads in it for these, being
>> asymmetric, would not reverse to give the original changes.
>> Cheers
>> Eddie Martin
> Eddie - this is not exactly true. See for example the CC Collection of
> peals, Odd-bell, treble dominated methods, 1903, where Grandsire No.31
> (p.14) by E B James is shown with a variation which includes a singled-in
> block of 15 leads in place of 5 singled-in B-blocks. The same trick can be
> used with No.29 (p.13) by J J Parker, provided the shunting Q-Sets are
> modified - I called it thus once.
> Steve
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