Streamline Pilot
We are halfway through October and just over halfway through the first round of the Disc Golf Reviewer World Series of Putters! This is a project where I test two putter molds against one another on the putting green in a head-to-head competition and then post about my experience and the results. Today in the Envy Region the 4 seed Streamline Pilot takes on the 13 seed Clash Butter. Let’s first get to know each competitor a bit better.
Streamline Pilot
Streamline is a brand of discs that is part of the MVP Disc Sports family. Streamline launched a few years ago as the first MVP brand to not feature a GYRO technology overmold on each disc. While Streamline discs have no overmold, they still feature the same plastic blends used to make the MVP/Axiom molds.
The Pilot is Streamline’s primary putter. It is a tall straight to overstable flying putter that features a small bead along the bottom of the rim. The Pilot also has a pretty flat flight plate that carries out across most of the surface area of the disc.
For today’s test I used an Electron Pilot. Electron is the middle flexibility option for Streamline’s grippy base putter plastics. Though it is the middle option on flexibility, the Electron plastic is still quite firm.
Clash Butter
The Butter is the newest putting putter available from new Finnish disc manufacturer Clash Discs. The Butter is a very round rimmed beadless putter. The disc is on the taller side, and it has a slightly wider diameter and a pretty flat top.
I struggle to come up with a good disc comparison. The rim keeps wrapping into the bottom of the disc for a bit longer than most putters, which makes it remind me a bit of a shallower Discraft Focus with how it feels in the hand.
For our tests today I used a pair of Prototype stamped Hardy Butters. The Hardy plastic is a really beautiful tacky and stiff blend that feels very unique. Like I said when writing about the Clash Popcorn, it reminds me of the feel of a hard taffy candy.
Specifications and Flight Numbers
Let’s take a look at some of the specs courtesy of the PDGA and break down the major differences between these two putter molds.
Pilot |
Butter |
| Flight Numbers: 2/5/0/1
|
Flight Numbers: 3/3/0/1
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Max Weight: 176.0gr
Diameter: 21.2cm
Height: 1.9cm
Rim Depth: 1.5cm
Rim Thickness: 1.0cm
Inside Rim Diameter: 18.2cm
Rim Depth / Diameter Ratio: 7.1%
Rim Configuration: 64.00
Flexibility: 11.11kg
|
Max Weight: 178.5gr
Diameter: 21.5cm
Height: 2.1cm
Rim Depth: 1.5cm
Rim Thickness: 1.2cm
Inside Rim Diameter: 19.1cm
Rim Depth / Diameter Ratio: 7.0%
Rim Configuration: 67.25
Flexibility: 7.95kg
|

The Match
For more info on the format and scoring system I used to test these putters against each other, be sure to check out our main World Series of Putters post.
(4) Pilot Scorecard |
(13) Butter Scorecard |
| 20ft: Y N Y Y Y N Y Y Y N (8/10 putts made)=24 points |
20ft: Y Y Y Y Y Y N N Y Y (8/10)=24 points
|
| 30ft: Y N N N Y Y Y Y Y N (6/10)=24 points |
30ft: N Y Y Y N N Y Y N N (5/10)=20 points
|
| 40ft: N N N N N N N N N N (0/10)=0 points |
40ft: N N N N N N N N N Y (1/10)=5 points
|
| Total: 48 points |
Total: 49 points
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The Winner
Notes from the Match
This match was about as close as it can get. I made the same number of putts with each disc, and I at no point felt either disc was gaining an advantage over the other. With such a close score, I feel like this match exposed a potential flaw in my scoring system.

