Tournament gear measurements - CCS etc. of tournament stuff

[Torsten]

Hi,

I'm starting a thread about tournament gear properties. I'm sure it's interesting for John Waters.

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The first rod I've measured is a

G.Loomis IMX TF116-42
Single hand fly distance
ICSF EV #2

that I've build with Fuji LSG guides.

length: 2,945 m
IP (Test weight for 1/3 length deflection) = 550g
AA = 65°
test weight for 1/15 length deflection = 76.6 g

ERN outside the scale, I'd expect something between 17-20.

mass(tip) = 27.5 g
mass center (tip) = 54 cm from the butt

mass(butt) = 127.2 g
mass center(butt) = 44 cm from the butt

Bye,
Torsten

[Merlin]

Hi Torsten

What is the weight of line casted with that monster?

Merlin

[sms]

Normally 38g-40g I think.

[Dung Fly]

34-38g (38g is the maximum allowed)

[John Waters]

Thanks Torsten,

Andy is spot on, the ICSF Event 2 has a max line weight of 38 grams. Steve put that blank together quite a few years back now to throw a 42 gram line (USA allowance) but many use the Loomis 42 to cast the 38 gram line today, reflects the trend to stiffer rods.

Be interesting to compare it with other rods used by today's casters.

John

[Merlin]

Hi Torsten

Could you get the loaded frequency profile of that rod? I mean the unloaded frequency and the frequency for a few loads including the one used for the competition line weight?

Many thanks in advance

Merlin

[Torsten]

Hi guys,

You can find some informations about the blank here,
http://www.americancastingassoc.org/our_gam....ist.pdf

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@ Merlin
I'm not a fan of frequency measurements but I'll see what I can do.

@ John
If you have some data about the CTS blanks, that would be nice too.

Thanks,
Torsten

[Bill Hanneman]

ERN outside the scale, I'd expect something between 17-20.

The ERN scale runs to 200. See URRS for values.

Also, see my article on measuring frequency for PPF, in the latest issue of RodMaker. But Gordy will tell you it does't work


Bill

[John Waters]

Thanks Torsten, I'll do some specs on all my rods for information and discussion.

John

[Merlin]

John,

It would be nice if you could measure the frequencies too.

Merlin

[Tom]

Hi Torsten.
Here,`s data for a T38 rod that I rigged up:
ERN=18,7
AA=72
NF=4,63hz

Tom.

[Merlin]

Thanks Tom

My first estimate was around 5 Hz.

Merlin

[Merlin]

Both T42 and T38 seem to be well tuned on a #15 (35.6 grams)

If you have some extra deflection / load indications and also for the tip, that would help to confirm.

Merlin

[Torsten]

Hi,

For the T42 blank I've added 45,8 g to the tip to get 85cpm.
I know from my fishing rods that they're in that range, when I'm using the ELN as test weight. Usually setting ERN=ELN results for me in a bit too light shooting head. I like ERN + 1 = ELN, that means for an typical 8wt. I like 30ft. of a DT9 as head.
So the rod is really stiff for the T38 line.

Using the simple recipe ERN+1=ELN, I've extracted a division factor of 10 for the IP, that works well for me.
So in theory the T42 blank should work well with 550g/10 = 55g

Bye,
Torsten

[John Waters]

Hi Gents,

It is not a linear but is there a way I can extrapolate ERN on a blank that will not ben to one third of the length. I thought I read somewhere that ERN can be calculated for spinning blanks which this particular fly blank more closely matches than conventional fly blanks. I'm reluctant to to compress this blank anymore than 34 cms, although the blank is 299 cms long. The bend profile is very tip oriented.

Thanks in anticipation,

John