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JPX 921's


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2 hours ago, BrownBearGolf said:

It’s merely speculation for the sake of speculation and community Banter. Is it not?

Yes if course we have to have discussion on them until more info comes straight from the horses mouth.   But like YK said above people make definitive negative comments—not saying you did—then seemingly forget they ever said that when they are released. 

I too generally hold back until I’ve seen and hit somethig.  MAVRIK is a perfect example of that.  It got crucified over the orange when the prerelease photos showed up.  Now its the best selling iron on the market, snd i have a set on the way.  
 

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On 8/1/2020 at 1:33 PM, yungkory said:

I fast forwarded through the video because there's gotta be a media embargo, and if anyone is getting first cracks at a media release, I'm putting my money on TxG getting it. Not surprised I didn't see an actual 921 haha

Damn. I waited to long.  Its been taken down.  

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Forging and casting are just two ways of shaping metal. Using one or the other really just comes down to desired mechanical properties/microstructure, whether the shape can actually be forged, and cost to manufacture.

Fair enough, I overlooked the alloy change. I assumed you couldn’t cast or forge the exact same metal, shows how little I know. I do know the properties of forged are significantly different than cast all else equal. I guess I’ll wait and see the early reviews but I’m only interested in improved feel (soft) or forgiveness, I couldn’t care less about more distance. YMMV


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33 minutes ago, FrogginBullfish said:

Forging and casting are just two ways of shaping metal. Using one or the other really just comes down to desired mechanical properties/microstructure, whether the shape can actually be forged, and cost to manufacture.

Yes and no? Assuming the exact same metal and shape/geometry - a forged part will have significantly greater strength (and therefore “feel”) than a cast part. If forging didn’t have advantages, many more parts would be cast.
 

Quote
  • Forged parts had a 26% higher tensile strength than the same cast parts. 
  • Forged parts had a 37% higher fatigue strength resulting in a much longer lifespan than cast parts.
  • Structural Integrity – products formed by casting are more porous than forged products.

 

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Strength is a mechanical property.

 


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Metallurgy shmetallurgy 😂 let's just drool over this:

The tours are looking niceeeeeeee. Kinda reminds me of the 919 line and then it met an SM8 and they had a blast one night at the bar and had an illegitimate child together.

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Just now, yungkory said:

Metallurgy shmetallurgy 😂 let's just drool over this:

 

Yeah, but they're not worth upgrading to 🙂

 

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1 minute ago, Golfspy_CG2 said:

Yeah, but they're not worth upgrading to 🙂

 

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They are looking really good. Hopefully we get some specs later this week or early next. They should be finding their way to fitters within 2 weeks I'd think since they are going to be available to purchase at retail on 9/17. They should want to get people hitting them and taking pre-orders ASAP since you can't buy anything from the current JPX line-up....

 

Edit:  Higher resolution version of video above.  Mizuno commented that pricing will be available next Monday 8/10. Hopefully specs are released with prices...

 

 

Edited by ChitownM2
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8 minutes ago, ChitownM2 said:

What do people think would be the logical break point for a mixed set of hot metal and forged? Probably going to do a 5-GW set.

I was thinking 5,6 HM and 7-A Forged. 

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3 minutes ago, Golfspy_CG2 said:

I was thinking 5,6 HM and 7-A Forged. 

That is kind of what I was thinking....the good part is that I should be able to hit a 7 iron in both and see which I like better since I'm guessing that is the head that will be sent out to fitters. 

Hopefully the rumors of the forged model being 1* stronger are true, that would make gapping the sets a little easier.

Edited by ChitownM2
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I can't get into specifics, but tell me what the forged 7 degree was in the 919 and I might be able to tell you if it's a solid rumor or not 🙂

 

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3 minutes ago, Golfspy_CG2 said:

I can't get into specifics, but tell me what the forged 7 degree was in the 919 and I might be able to tell you if it's a solid rumor or not 🙂

 

Actually looking closer now, you'd have to do the split after the 5 of the Hot Metal to make them 4-5 degrees consistent. 

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2 minutes ago, ChitownM2 said:

it was 32*

image.png.a8d2588d8130d20d65da10d3ad0420cd.png

Some rumors are as good as gold 😉

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HM 919 specs  

Other rumors have the new HM being 1 degree stronger as well

image.pngThe

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1 minute ago, ChitownM2 said:

Hmm...If the rumor is true 😜,  I was thinking the 5 HM standard, 6 HM 1* weak and the 7 forged 1* strong. That would be 23, 27, 31, 35 for 5-8.  Thanks for the insight!

That would work! 

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Although I might just go Forged 1 strong and leave the 5 where it is, and if the gap is 5 degrees, I probably won't notice that much and i get a few more yards out of the 5 iron.  I would think the 5 HM might launch a bit higher if the weight is distributed a bit lower than the Forged, just guessing on that last part.

 

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I was thinking of leaving the 5 at standard and then 6 HM  at 1* weak then go 1* strong at 7 forged, then rest of forged standard.   I'll have to see. If both are 1* stronger, that would make a 6 HM 25* and the 7 forged 31* if went stock HM. I'm guessing that 6* gap between stock 6 HM and 1* strong forged would be too large for me since I'm betting the HM will also be longer at equal lofts.

I'm probably going to wait until the clubs are actually in stock at retail to do my fitting and then hopefully they will have a demo set I can hit to see what the actual gap would be and then make a decision from there.  I'm presuming that like everyone else Mizuno only sends out 7 iron heads in the fitting cart so if I wanted to hit a 6 I would have to wait until they got a real set in ?

Edited by ChitownM2
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2 minutes ago, ChitownM2 said:

I was thinking of leaving the 5 at standard and then 6 HM  at 1* weak then go 1* strong at 7 forged, then rest of forged standard.   I'll have to see. If both are 1* stronger, that would make a 6 HM 25* and the 7 forged 31*.  I'm guessing that 6* gap between stock 6 HM and 1* strong forged would be too large for me since I'm betting the HM will also be longer at equal lofts. 

I'm probably going to wait until the clubs are actually in stock at retail to do my fitting and then hopefully they will have a demo set I can hit to see what the actual gap would be and then make a decision from there.  I'm presuming that like everyone else Mizuno only sends out 7 iron heads in the fitting cart so if I wanted to hit a 6 I would have to wait until they got a real set in ?

Yep seeing and hitting them is always wiser than going on a hunch..ha   I think that is correct on the fitting cart. 

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40 minutes ago, ChitownM2 said:

What do people think would be the logical break point for a mixed set of hot metal and forged? Probably going to do a 5-GW set.

5-7 HM 8-GW Forged?

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1 hour ago, BrownBearGolf said:

5-7 HM 8-GW Forged?

That's the other possibility I was considering. Probably will all come down to how I hit them. This option might be easier to gap too. Do the 6 & 7 HM 1* weak  and forged at standard. 22-26-30-35-40 for 5-9.

Waiting is always the hardest part. I wish they were just available already so I could go hit them. 

Edited by ChitownM2
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The new forged are a one piece chromoly forging. Last years 919 forged was not. They are also shorter heel to toe and have less offset. The tours are not changed too much aesthetically, but supposedly they increased the stability and MOI of the tour by 40%. The sole has had some tweaking as well. There is no 3 iron in the tour and it will be a 4-GW set for the first time. 

All are pretty awesome and while it does not look like a big change, I think incremental improvement was the goal with an already outstanding product. 

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19 minutes ago, ChitownM2 said:

That's the other possibility I was considering. Probably will all come down to how I hit them. This option might be easier to gap too. Do the 6 & 7 HM 1* weak  and 8 Forged 1* strong. 22-26-30-35-40 for 5-9. 

Waiting is always the hardest part. I wish they were just available already so I could go hit them. 

A proper fitting should help

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Man!! Those things are gorgeous!

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I've been thinking about getting a new set of irons and was really considering the JPX 919s since they really cleaned up all the MGS club tests from last year. Now I think I'll wait until this fall to pick up these beauties. Has a set of JPXs maybe 10 years ago and really liked them. Actually sold them to a buddy because he was looking to move from a starter set and it gave me a reason to buy some new clubs. 

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6 hours ago, ChitownM2 said:

What do people think would be the logical break point for a mixed set of hot metal and forged? Probably going to do a 5-GW set.

 

5 hours ago, BrownBearGolf said:

5-7 HM 8-GW Forged?

I would probably split it at the 7i or 8i as well, but with the Forged at the top and Tour at the bottom, and bend the Forged weak to blend nicely. It's hard because you only hit a 7i at a fitting 😞

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16 minutes ago, yungkory said:

 

I would probably split it at the 7i or 8i as well, but with the Forged at the top and Tour at the bottom, and bend the Forged weak to blend nicely. It's hard because you only hit a 7i at a fitting 😞

Yeah that is why I'm planning to wait until they hit the shelves to do a fitting. Hopefully they will have a demo set of each I can hit and use that to make a decision on the gapping once the other parameters are determined.

It will be interesting to see how the forged blend with the tours seeing as the forged are getting stronger while the tours are not. Forged 7i will be 31 while the Tour 8i will be 38. Going to need a lot of bending to fix that gap

 

Mizuno replied to my question on the youtube video from today. Specs for the line-up are coming with the pricing on Monday.  

Edited by ChitownM2
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