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Slingshot Maneuver

Old 07-30-09, 02:23 AM
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mnkyman
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Slingshot Maneuver

So to clarify what i call the "slingshot maneuver"...its when a rider drops out of the peleton, but reaches back to the rider behind him and pulls him up into his spot before dropping out. I've seen it done on the tour in breakaway packs that have about 20-30 people, were someone needed to drop out but didn't want to leave a gap.

Anyways, does anyone know if this has an actual name? Also, anyone have video clips of this? I remember seeing it in the TDF last year on versus and they replayed it a bunch since it is so uncommon.

For those who are familiar with it...is there a right or wrong way to do it? A friend and I tried it successfully a couple times (not in a group ride, but just on our own), but the last time we tried, were my friend was slingshotting me forward, he ended up taking a bad spill...i ended up taking the blame for it since it was my idea to try it out, but truthfully i don't think it was completely my fault...it's not like i knocked him over...he just fell when he launched me.
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Old 07-30-09, 02:31 AM
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if you're referring to a hand sling, which i suspect you are, i'd highly advise NOT trying to do it, unless you know how to handle a bike, which you apparently do not.

Last edited by botto; 07-30-09 at 02:36 AM.
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Old 07-30-09, 02:57 AM
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That is a great link... now all the kids will want to be trying it.
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Old 07-30-09, 03:04 AM
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Originally Posted by botto View Post
if you're referring to a hand sling, which i suspect you are, i'd highly advise NOT trying to do it, unless you know how to handle a bike, which you apparently do not.

thanks for the quick reply...and judgment, but i guess that's what I get for trying to get an intelligent response on the internet

I didn't know it was a track cycling maneuver, I had only seen it done in tours

I can do it pretty well, it's trying to teach others how to do it safely...
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Old 07-30-09, 03:07 AM
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Originally Posted by mnkyman View Post
thanks for the quick reply...and judgment, but i guess that's what I get for trying to get an intelligent response on the internet

I didn't know it was a track cycling maneuver, I had only seen it done in tours

I can do it pretty well, it's trying to teach others how to do it safely...
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Old 07-30-09, 03:18 AM
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for anyone wanting to learn more about this...i just found out it's also called Madison exchange or Madison race:

http://www.youtube.com/watch?v=Al_xS...eature=related
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Old 07-30-09, 03:22 AM
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don't try that in a road race. you'll either crash, or be disqualified, and most likely both.
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Old 07-30-09, 03:23 AM
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Originally Posted by botto View Post
if you're referring to a hand sling, which i suspect you are, i'd highly advise NOT trying to do it, unless you know how to handle a bike, which you apparently do not.
Interesting link. Not for me. But they make a big deal about hand placement. I assume the pullee is in the drop since he'll want to be in the drops right after, even though it seems slightly less stable. I assume the puller has his hand on top for better reach, and probably control. Yes? No?

Anyone who's done this care to comment?
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Old 07-30-09, 10:26 AM
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Originally Posted by botto View Post
don't try that in a road race. you'll either crash, or be disqualified, and most likely both.
well obviously I wouldn't try it in a race...we were just doing it for fun...plus it would be cool to try around the velodrome
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Old 07-30-09, 10:34 AM
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Originally Posted by mnkyman View Post
So to clarify what i call the "slingshot maneuver"...its when a rider drops out of the peleton, but reaches back to the rider behind him and pulls him up into his spot before dropping out. I've seen it done on the tour in breakaway packs that have about 20-30 people, were someone needed to drop out but didn't want to leave a gap.
The proper way to drop out of a paceline, without hanging the rider behind out to dry is to gradually move to the side of the rider in front. Pull even with that rider and then pull off. That way you're towing the riders behind you up without leaving a gap as you exit the line.
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Old 07-30-09, 10:38 AM
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Slinger: left hand on the tops.

Slingee: right hand in drops.
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Old 07-30-09, 11:43 AM
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Originally Posted by Duke of Kent View Post
Slinger: left hand on the tops.

Slingee: right hand in drops.
+1 This is key, keeps the sling from inputing into your steering. LH right next to the stem No doubt what spilled your friend. And you really don't need to "throw" all that hard, you're just transfering momentum.
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Old 07-30-09, 01:11 PM
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Originally Posted by mnkyman View Post

For those who are familiar with it...is there a right or wrong way to do it? A friend and I tried it successfully a couple times (not in a group ride, but just on our own), but the last time we tried, were my friend was slingshotting me forward, he ended up taking a bad spill...i ended up taking the blame for it since it was my idea to try it out, but truthfully i don't think it was completely my fault...it's not like i knocked him over...he just fell when he launched me.
At any point during this incident did anyone utter the words. "Here, hold my beer and watch this!"?

I estimate the probability of that occurring would approach 1.0 with an increase in proximity to a trailer park.

Please provide video next time.
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Old 07-30-09, 01:35 PM
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Originally Posted by Voodoo76 View Post
+1 This is key, keeps the sling from inputing into your steering. LH right next to the stem No doubt what spilled your friend. And you really don't need to "throw" all that hard, you're just transfering momentum.
Good tips, thanks for the input!

EDIT: just asked my friend, he had his hand on the top left on the brake cover


Originally Posted by DScott View Post
At any point during this incident did anyone utter the words. "Here, hold my beer and watch this!"?

I estimate the probability of that occurring would approach 1.0 with an increase in proximity to a trailer park.

Please provide video next time.
lol, no...no beer involved...will have video next time haha
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Old 07-30-09, 02:42 PM
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You should give this a whirl.

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Old 07-30-09, 05:18 PM
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Serious notes on the hand sling. I'll call the riders Slinger (for the one doing the slinging) and Launched (for the one getting launched).

1. Launched will hold the other rider's hand, if anyone does holding. A common way to take out a pair of riders is to have the Slinger hold even a little bit (to get some more "push"), Launched tries to let go to get going, and finds out he can't let go.

2. The easiest way to not hold accidentally is to cup your hands so that they form an interlocking joint, kind of like Playmobil toy's hands (although they don't interlock, they don't move either). Launched should push off against Slinger, and Slinger should just offer as stable a base as possible.

3. BOTH riders should keep their shoulders square, i.e. perpendicular to the line of travel. If you twist your shoulders a bit, you end up making yourself narrower, and you can easily hook bars. Another common reason for crashing.

4. At the same time, riders should be about as close as possible without hooking bars, while their shoulders are square. If the riders are too far apart, you end up pulling each other together when doing the sling, and this causes the bikes to collide. Yet another common cause for crashing.

5. Remember that the reason why Launched goes so fast is that Slinger is giving his inertia to Launched. So, for example, if Launched goes 10 mph faster, Slinger will go about 10 mph slower (given similar body weights). Keep this in mind because Slinger will slow waaaay down, really quickly, and it's dangerous if riders around aren't prepared for this.

6. Practice makes perfect. Speed differential should be about 5-10 mph, less initially. The bigger the speed differential, the bigger the arc the arms need to make to absorb and transfer the delta in inertia.

7. Good drill is to hold hands and practice slinging back and forth, i.e. you sling but don't let go, then reset, then sling again. This teaches you the delta in inertia (which depends on the rider's mass as well as speed difference) and allows you to get used to the sling motion without having to pedal for 100 yards to reset. You can do a "sling" every 20-30 yards at 10-15 mph. It also gets you used to being close enough to sling without yanking one towards another, but far enough away that you don't hook bars.

8. Launched should have his hand in a consistent spot. For track riders, the hip is good, hand pointing back, thumb pointing into hip and holding the hand off the body). Slinger should approach, arm extended a bit, hand frozen in Playmobil grip, and grip Launched's hand. Then Slinger's arm will go back as he passes Launched, then Slinger's arm will go forward as he transfers his inertia to Launched. Launched will basically push back and off, getting up to speed in about 5 or 10 feet.

I learned this all recently and totally stink at it. Okay, I can launch others well, but I have a hard time being Launched. Having riders about the same mass helps, and being comfortable bumping is a plus.

I checked the rulebook the other day. Pushing or pulling a rider, even one on your own team, is illegal during a race.

cdr
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Old 07-31-09, 01:22 AM
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Isn't this the Ricky Bobby Shake-n-Bake strategy?
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