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View Full Version : I've never had a tankslapper, have you?!


Blue_SV650S
13-06-07, 10:17 AM
I don’t recall ever having a serious tank slapper on my SV … why is this? Is it because it doesn’t have enough welly to get the front end light at speed or have Suzi been really lucky and made a bike that has no harmonic (encountered in riding) that allows a big one to be generated?

Or have I just been lucky and they are an animal!?! :smt025 :D

Baph
13-06-07, 10:20 AM
I've had a couple of light slappers, but nothing I'd call remotely serious. Only one has ever made me think "Oh sh*t!" and that was after I'd been messing with pre-load on the front.

Alpinestarhero
13-06-07, 10:21 AM
I think the bike is really quite relaxed to have a serious one, unless your baph and like to fiddle :rolleyes: :D

Matt

plowsie
13-06-07, 10:23 AM
Is a Tank slapper the start of a highside? If it is a have in the wet, jus got on the power too quick and too much n poo-d myself. I pulled over to the side of the road shaking because it really did shake me up, ran both feet over and had a burn mark on my leg. And the fact that it was 2 days after a drop on a roundabout.

Baph
13-06-07, 10:25 AM
Is a Tank slapper the start of a highside?
To my knowledge & thinking, it's where the bars go violently from one extreme to the other. Varies in the extent to which the bars move (both distance and speed of movement), anything from a small wiggle to a full blown tank slapper (as in, bars hit the tank).

Small wiggles are normal on every bike ever designed. Tank slappers are slightly more dangerous, and could result in a high side.

Stu
13-06-07, 10:25 AM
Any excuse for an innuendo eh Blue?
Yes I've had a head shake, never woken up with a slapper though!

petevtwin650
13-06-07, 10:27 AM
The head shakes, but it never gets serious. I have friends following behind on their "racier" machines on some roads and they have to back off the gas. The Sv is very stable I reckon.

plowsie
13-06-07, 10:28 AM
Oh yes i can definately say the SV is a stable bike

Luckypants
13-06-07, 10:29 AM
I don’t recall ever having a serious tank slapper on my SV … why is this? Is it because it doesn’t have enough welly to get the front end light at speed or have Suzi been really lucky and made a bike that has no harmonic (encountered in riding) that allows a big one to be generated?

Or have I just been lucky and they are an animal!?! :smt025 :D

Never had an actual tank slapper, but I started getting the odd headshake after modding the suspension. I set it with 30mm sag to start with (F&R) and under hard acceleration she would shake her head if I caught a cats eye or something. Eased the sag to 35mm and did not get another that I recall.

Note that these were just headshakes and nothing like the one I had test riding the Aprilia Falco the other day, which was not quite a full tank slapper. :help:

SV225
13-06-07, 10:30 AM
The bars gave a definate left-right shake the other day but was nothing major. Apart from that I've only had wiggles when going over hills too fast etc.:cool:

Turned into a junction the other day covered in gravel and the bike gave a little 'flick' like a highside as I got back on the power but I stayed upright :albino:

MiniMatt
13-06-07, 10:50 AM
Not on the SV, though I've actively tried :D Yes on the Laverda, and oddly, yes on the NC30.

Best (scariest) tank slapper vid ever: http://www.youtube.com/watch?v=ymvVv_zbOjk

Biker Biggles
13-06-07, 10:54 AM
I find the SV a bit cramped for getting into a real slapper.;)
Each to his own though.:D

Tim in Belgium
13-06-07, 11:00 AM
Had a big slapper on the SV, bars lock to lock whilst accelerating in a straight line, changing gear and hitting a hidden bump all at the same time. Thought I was going to be off, used up 1 1/2 lanes of the road.That was on the standard suspension.

I find I often get a small shake of the head coming out of corners.

plowsie
13-06-07, 11:04 AM
Now i know wat we mean, i don't get them. Take my hands off the bars n it does it but seems to be stable, maybe i hold the bars too hard? I've done it a couple of times to see how it feels(okay okay naughty and stupid) and it doesnt feel nice.

gettin2dizzy
13-06-07, 12:10 PM
I was hard accelerating yesterday, hit 110 as I went over the join between a motorway and bridge- and of course there was a huge bump. Nearly had a tankslapper- scared the **** out of me! That's the first time it's happened though.

silver surfer
13-06-07, 12:11 PM
Tank slappers aren't fun. I had one at the weekend. doing 70 round a tight bend, started off as high side and for some reason went into a tank slapper.

Not much fun and I'm now looking for bits to re build all the fairing :smt089 on my curvy. Also a rib transplant might feel a little better.

But we have the technology, so she will be on the road again soon.

sv650nutter149
13-06-07, 12:18 PM
yeah ive had a slapper, go find one on ur local street corner ;)

Manguish
13-06-07, 12:41 PM
Nothing in the SV, but had an almighty one on a CB500.

Came round a right/left sweepy - 70mph or so, easy corner.

Dual carriage way, overtaking a car, road slighty damp. Hit some overbanding spun up and what ensued slowed me down for weeks. Bum out seat, feet off pegs, hands off bars, face over front wheel - my god and i didn't come off.

How i'll never know.

Scary stuff.

tomjones2
13-06-07, 12:57 PM
Not a 100% lock to lock but doing about 115-120 round a long sweeper full throttle, hit a dip and it was a real stuggle to hold on. Suddenly I was a passneger and found myself using the wrong side of the road to let it all calm down. Van coming the other way was not impressed, and being fair it could have been a lot more seroius. A worn rear shock and suspension bearings no doubt played a part.

Had loads of head shakes on the sv and there always fun up to this point, it just the fine line between the bike bouncing around and you really enoying yourself, and oh f*** this is going to hurt.

Stu
13-06-07, 01:26 PM
Rest assured 120 into a van wouldn't hurt at all. :smt059

Blue_SV650S
13-06-07, 01:39 PM
Had loads of head shakes on the sv and there always fun up to this point, it just the fine line between the bike bouncing around and you really enoying yourself, and oh f*** this is going to hurt.

Quite, the SV isn't the most 'planted' bike, especially in stock trim, so moves around bit, but a little giggly wiggley and a serious brown trouser moment is something quite different ...

There is a memorable video of a bike doing a TT (big black bike cresting a hill initiating slapper) … now that IS a brown trouser slapper!!!! :D

I am sure if I could be bothered to look it’d be on youtube, but many of you will have seen it before and know the one I am on about!! ;)

plowsie
13-06-07, 01:42 PM
someone posted it on the second page :thumbsup:

Blue_SV650S
13-06-07, 01:54 PM
someone posted it on the second page :thumbsup:

:oops:

Jelster
13-06-07, 02:28 PM
My curvy gave me a real good head shake one day, my fault, being to eager on the gas and I run across the solid lines of a chevron from a slip road, accelerating hard....

Bars went from one side to the other quite violently. I can't remember how I recovered it but it scared the life out of me at the time....

The 'Blade gives me a good shake whenever the head gets light and starts to lift, even on a straight road. That's how I know if I've actually done that wheelie.... Lots of gas, head shaking, 1, 2, 3 yes that's up...... :)

.

kwak zzr
13-06-07, 02:32 PM
head shakes of protest on the 1000 but no real problems with slappers, maybe a diff story without the damper fitted?

Tomcat
13-06-07, 03:59 PM
Not on the SV, though I've actively tried :D Yes on the Laverda, and oddly, yes on the NC30.

Best (scariest) tank slapper vid ever: http://www.youtube.com/watch?v=ymvVv_zbOjk


That is horrid!!!

Ceri JC
13-06-07, 04:13 PM
Yep, I've had a proper tankslapper. Only one mind. 'Proper' as in bars bang violently (and repeatedly) from full lock to full lock (denting the alumimium frame's lock stops on either side in the process). That was when my front wheel hit a deer at 60mph.

I've had lots of incidences of the bars waggling a bit: front wheel going light/airborne when nailing it over humpback bridges, when giving it some over bumpy ground on stock suspension, etc. Bars waggling, however, are not tankslappers. Once you've had a proper tankslapper, you stop refering to this sort of "bar wagging" as a tankslapper. ;)

neio79
13-06-07, 04:38 PM
yeah ive had a slapper, go find one on ur local street corner ;)

i have hada few in my time as well!!

seriously never hada tank slapper, had the back end step out and shake side to side a few times due to braking to hard into a corner, that was scary co i know the next step on can be a horrific highside!!

kwak zzr
13-06-07, 04:42 PM
that TT one was a classic slapper,mind you theres some bad uns on that youtube.

catmad
13-06-07, 06:12 PM
well youve just scared the **** out of me ive never had one and dont want one either i think ill stick to the speed limit from now on

fizzwheel
13-06-07, 06:24 PM
Nope never had a bad one, I can provoke the SV into shaking its head on a bad piece of road near where my parents live, I can't provoke the GSXR at all.

My brother had a nasty one on his RS125 a few years back, bruised all his right wrist where it got trapped between the bar and the tank.

2mths
13-06-07, 06:25 PM
On the SV no and I hope I never do.
On the Katana (550) I don't think so but something similar. I went for an overtake, realised the car at the front was about to turn right and locked the rear up in panic braking. It felt like I could have got my knee down both sides of the bike whilst travelling in a straight line. I thought I was off. Really not funny. Pulled to side of road and sat there. People in car who DIDN'T turn right into me (all credit to their observation) pulled up to see if I was ok.

The weird thing is in that moment it wasn't "F*** this is going to hurt" that went through my mind but "Mum's gonna kill me".

2mths
13-06-07, 06:29 PM
had the back end step out and shake side to side a few times due to braking to hard into a corner

I can attest that you're riding skill is now greatly increased, now when you try to slide the rear into a corner you keep it nicely under control
:-)

DanAbnormal
13-06-07, 07:19 PM
I had one on my Zephyr 550. Came over a hill too quick while also leaning slightly, when I tried to straighten she wobbled a lot. Made me almost poo my pants.:help:

mister c
13-06-07, 09:06 PM
Had a classic tonight. Accellerated on a level crossing in the wet, wheel spun up, so countersteered and shut the throttle off.
Soon as the tyre bit, steering went to opposite lock instantly, so put a bit of power on and steered the other way.
Then the back wheel hit the tarmac on the road, decided to grip and tried to spit me off, how I stayed on I dont know, but there was a hell of a lump in the back of my pants.

Baph
13-06-07, 09:56 PM
The weird thing is in that moment it wasn't "**** this is going to hurt" that went through my mind but "Mum's gonna kill me".

Funny that, I've never thought "**** this is going to hurt!" either. For me, it's always "**** this will be expensive!"

silver surfer
14-06-07, 09:29 AM
It is funny. When I binned mine I didn't think this is going to hurt, it was mainly my girlfriends going to kill me and oh F*** :confused:

danf1234
15-06-07, 09:29 AM
Was that bloke on the TT tank slapper accident killed in that accident. I failed to see how anyone could have survived that.

Aweful.

Bluewolf
15-06-07, 12:43 PM
I've had two so far but neither were on the SV.

The first was on my sr125 (believe it or not :lol: ) when I came fleeing around a corner doing about 50mph. Turned out there was a flash flood coming the other way :eek: and me being the inexperienced plonker that I was decided to jam the brakes on as I was leaned over on the corner. I have no idea how I managed to stay upright but I must have ridden at 20mph all the way home. Gave me one helluva fright.

The second was on my zx6r and was my fault entirely. Misbehaving on a particularly bumpy road enjoying pulling wheelies off the crests and got it wrong. Landing with the bars facing the wrong way = brown trouser moment :oops: Needless to say, I've not tried it since...

clanger
15-06-07, 01:00 PM
Yeah, but not on the sv...years back I had a heck of a one on diesel near Tesco's roundabout in Aldershot on my RD125...luckily all the traffic on the dual carriageway, stopped until I sorted it out. Didnt fall off, but had both feet on the tarmac...it was a heck of a battle of wills, but i stayed upright...