Questions tagged [equipment]
Questions about the equipment used for a particular sport. This tag should always be combined with a tag for the specific sport in question.
328
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Why are transparent table tennis balls not used?
Transparent table tennis balls are less visible and would be suitable for training purposes; the eyes require more effort to catch the ball.
Transparent means that they are not opaque or a cloudy ...
3
votes
1
answer
165
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What are these Badminton umpire equipment?
Whilst watching a Badminton tournament, I noticed these peculiar-looking equipment in front of one of the umpires.
I presume this is an officiating aid, but what are they called, and what are they ...
5
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1
answer
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Are FIFA World Cup balls chargeable?
I have been seeing this photo on many pages on Facebook saying that FIFA World Cup balls are getting charged.
I heard that the new balls have sensors but I really doubt they need a battery.
Are FIFA ...
4
votes
2
answers
611
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Difference between Men's and Women's Tennis balls?
While watching the 2022 US Open 1st Round match between Raducanu and Cornet, one of the commentators said something along the lines of the following:
[...] the balls are different this year, they are ...
2
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2
answers
204
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Why are cricket bats smooth?
I have noticed that the surface of cricket bats are smooth. What's the science behind it?
What would happen if the surface of the bat was rough? Would that increase our effort to play shots?
1
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0
answers
39
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Floorball stick size
Online sources tend to advice a floorball stick to end a few (2-4) centimeters above the navel when held straight vertically in front of the body.
However, in a team I recently joined (a reasonably ...
1
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0
answers
239
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What sports have field/equipment differences for men vs. women? [closed]
I was doing a little bit of reading about which sports use the same setup for women vs. men. For example, the WNBA uses a smaller basketball than the NBA, but the same size court, but tennis seems to ...
1
vote
0
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68
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Are there any negatives to a self-standing putter?
I have seen a few putters being made that are designed to stand up when placed on the green. I'm told this is done so the player can line the putter up and step back and check it out from a different ...
2
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1
answer
130
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In F1, which tyre to start on if the "fastest time"-tyre is damaged?
During Q3, if the driver loses a tyre due to a puncture, which tyre would he start with in the race the next day?
Secondly, if the pole sitter tries to improve his lap time in Q3 and while doing so ...
4
votes
1
answer
103
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What is the purpose of running shoe lacing from bottom to top?
I use New Balance 840v4 shoes to do runs between 4 - 13 miles and reorder them as needed. For the first time a pair came with a new lace material and lacing style: laced across bottom to top (picture ...
0
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1
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143
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Is there a noticeable difference in weight between different brands of multifilament strings?
I recently got the strings changed on my Head Gravity Tour. Now it is noticeably more head heavy. To the point where it feels like a sledgehammer instead of its usual scalpel-like precision.
It had a ...
1
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0
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156
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Powerslide trinity frames: ego vs elite
What is practical (in terms of skating) difference between two Powerslide trinity frames Ego SL and Elite Al casted? According to specs both frames are made of aluminium, Ego is CNC milled and Elite ...
0
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0
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195
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What is Donic-Schildkröt's "QRC system"?
As I know from official page,
With the QRC (Quick Rubber Change) rubbers you can simply stick on the new or higher-class coverings. The unique Schildkröt QRC system is designed to replace and upgrade ...
2
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2
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In Le Mans, what are the 3 lights on the side of the car?
In Le Mans, all cars have 3 lights on the side.
The color part is easy: It is the color of the series you are racing in.
But sometimes 1 is lit, other times it is 2 or 3.
What is the logic of those ...
2
votes
1
answer
114
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What parts of an F1 car are mandatory per rules?
I really wonder, so if I would try to make the simplest, most stripped down but still legal F1 car, what parts are absolutely needed?
I'm gonna guess the halo, safety cell and 4 tires are mandatory, ...
1
vote
1
answer
463
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Does the inline-skate weight refer to one or both skates?
I'm looking at various inline-skate sites and all refer to weight without specifying whether it is for one skate or for the pair. (e.g. here)
So I guess there must be a rule when referring to inline-...
1
vote
1
answer
92
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Soccer shoe modifications?
I played many sports in my youth, but to my loss almost never soccer. As my kids and wife have recently gotten into it, however, I have started to learn more about it.
In every sport I'm aware of the ...
2
votes
0
answers
84
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Assymetrical setup in modern F1
Back in the day (60's, 70's and 80's) F1 cars could have assymetrical suspension setups — packers, dumpers, springs, camber, anti-roll bars etc... — which makes sense: in Imola you are mostly turning ...
3
votes
0
answers
79
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Flex letters on my golf iron shaft
My iron shaft has 2 letters S and R on it. As per my understanding S stands for “Stiff” flex and R is for “Regular” flex and only one letter is suppose to represent flex of a shaft. Why does my iron ...
2
votes
0
answers
114
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WE Glock 35 TMSS stuck slide
Please refer to the image below.
I forgot to put back the black part on the picture after cleaning some internal parts. After pulling the trigger, the slide goes over the back and stays there.
How do ...
2
votes
0
answers
75
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When was an open face helmet used for the last time in open-wheel car racing?
As for Formula 1, the last time an open face helmet was used was during the 1974 Swedish GP by Leo Kinnunen, and the last time it's been used during an official F1 weekend was at the 1975 Monaco GP by ...
1
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0
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32
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What is the sock that fierljeppers wear?
Fierljeppers wear a something like a sock on one foot, apparently to help with climbing the pole. What is this called?
2
votes
1
answer
590
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What cleaning agent is safe to use for ping pong paddles?
I just got a new ping pong paddle, and I want to be able to clean the rubbers without damaging them or affecting their tackiness. On Amazon I see lots of expensive little spray bottles for cleaning ...
2
votes
1
answer
105
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Alternative to punching bag
I'm not entirely sure this question fits here, but here we go.
I've started with boxing/kickboxen a bit over a year ago. Now I'm looking for a way to train at home. Especially with a punching bag or ...
3
votes
1
answer
109
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What features should I look for when buying a tennis racket?
What are some things that a new tennis player should consider when buying a racket? In this case cost isn't a factor and the player has no idea what to look for.
6
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2
answers
1k
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Why do table tennis players inspect each other's rackets?
I was reading up on some table tennis rules, and there seems to be a lot of regulations regarding the racket/paddle/bat. One of the regulations is that the players inspect each other's rackets before ...
4
votes
1
answer
3k
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Why not use a snooker cue on a standard pool table?
What are the benefits or drawbacks of using a snooker cue rather than a standard cue on a regular pool table?
3
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1
answer
1k
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Why does a tennis ball have a curvilinear oval that goes around it?
Tennis balls are mostly covered with felt, and they have a white curvilinear oval that goes around them.
Is there any reason tennis balls have that oval, instead of just being completely covered with ...
2
votes
1
answer
168
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Table tennis rubber not showing brand or model
Is it legal to use a rubber cut in a way that it doesn't show the brand or any other information?
1
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1
answer
85
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What portion of tension reduction in a racket happens through play?
Basically, I'm curious whether a racket that's sitting idle will lose tension as quickly as one which is being regularly played with.
The concrete sport in question is badminton, though I suspect ...
2
votes
1
answer
132
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How many catastrophic shoe failures occur in college basketball?
I don't watch a lot of basketball, but I did see a game yesterday where the player's shoe tore wide open.
In sports, equipment failure is certainly part of the game but in US college sports (which is ...
2
votes
1
answer
196
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Can any hockey skate be baked?
I read here
ANY skate can be baked; it's just that skate of a certain tier and above have materials DESIGNED to be baked. That doesn't mean that lower tier skates like yours cannot be; it's just ...
2
votes
1
answer
117
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What is the name of this table tennis equipment?
What is the name of the board/wall/plank that keeps table tennis balls from running too far away from the table? In this image, it is the purple and red board/wall/plank around the playing area that ...
2
votes
1
answer
969
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Cleaning up tennis ball as simple as possible
Just brought some tennis balls (some normal, some beach) and play until dirty.
So, how do I get it clean up with the least damage done to the tennis balls?
(Had done some research online and it was ...
3
votes
2
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2k
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How is spike speed measured in volleyball?
I've been eyeballing a volleyball match right now (apparently, it's world championships :), and have noticed that they show "spike speed" for spike replays. How is that speed measured? Is the ball ...
0
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1
answer
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Name of a "gym object"
I've seen a video, there were girls using a gym object that was like a ladder in a "ring form", like two big rings connected by pegs. What is the name of this object?
Thank you all
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1
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620
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What is the best basketball ball material to use in concrete/cement court?
I've been reading about the materials of basketball but since there's different types of outdoor courts I decided to ask because I want to use it on a court like this:
Example court
So, as you can ...
1
vote
1
answer
177
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Cricket bat crack effect
I brought a cricket bat last month. I had a couple of sessions in nets and it started cracking along the grain at the shoulder of the bat. Is it normal or do I need to repair it?
4
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1
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266
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Why aren't oldschool skateboard tricks seen much today with modern skateboards?
Why are skateboard tricks like those seen in this video (starting at 13:30) not seen much anymore, at least not with modern boards?
The kinds of tricks I'm referring to are handstands, hand flips ...
2
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1
answer
473
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How can I prevent my table tennis paddle's rubber to come off?
I was playing table tennis the other day. Little did I know at the time, my rubber was slowly coming off with every stroke of my paddle.
When I was about to close out the game, I attempted to smash ...
3
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3
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2k
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Are blisters first time wearing soccer cleats normal, or does it mean bad shoes?
I played soccer last saturday for the first time in a loooong time. We played for two hours. The day after, I couldn't walk because of my legs .... but my feet were fine. I played in regular sneakers.
...
7
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3
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990
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How do I pick the right football size for my children?
I am about to buy a new football, to play on grass with my children. They are not very advanced, but we play regularly and my older child is nearly 150cm tall.
How can I decide which size to get for ...
4
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2
answers
977
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What's the average weight of a professional's Cue stick?
As I have observed my Cue action is better with a heavier stick but I kind of feel good with a relatively lighter one.
What's the average weight of a professional's Cue stick as I'm in early stages ...
2
votes
1
answer
338
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Are roundish cracks on a cricket bat a serious issue?
I brought a new cricket bat and took it to nets for knocking in, but the bat acquired a number of roundish cracks as shown in the picture. Is this a serious issue I should I worry about it or it is ...
2
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1
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394
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Cleaning Oil/Grease on Felt Pool Table
I recently bought a used felt top pool table from someone that had it in their workshop. They had started using it more like a table, so it got rather dirty with general debris, but also oil and ...
1
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1
answer
290
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In snowboard/ski cross, how are jerseys determined in the rounds?
The first one is depending on the qualification times. That I know, but for the rounds after does it still depends on the qualifing time or is it determined by the position in the last round?
4
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1
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Are all sizes of paint ball compatible with all paintball guns?
I am going to buy different sizes of paint balls for different paintball guns.
Can I use any size ball in any gun? Should I be concerned with the compatibility of each ball and gun?
3
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2
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2k
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Why do skiers use poles in slalom and downhill?
I'm watching the Olympics. The skiers in the "classic" events like giant slalom or the downhill carry poles. But they never seem to use them for anything. I don't see the poles touch the ground unless ...
7
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2
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8k
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Why do curlers have a stopwatch?
Watching curling, I often see the sweeper seem to start a stopwatch before starting to sweep.
I doesn't seem to make sense that you need a stopwatch in curling. There's no difference whether the ...
6
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2
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1k
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What are rifle specifications in Biathlon?
I'm watching the Olympics Biathlon right now, and wonder what is that rifle? For sure, it must be a custom made rifle only for biathlon, but what are the specifications?
Is it a true bullet, or some ...