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Frightening

T

treva

New member
Wife [pillion] & myself went on our first club ride last saturday on our 2017 RT. After some debate the usual leader didn't want to, so I elected to lead. Quite a slow bunch of riders [although heaps of corners ]& we were slowing to snail pace a lot waiting for them to catch up. Most of the time we were on the speed limit. I don't use the brakes until it's really necessary on roads/corners i know well. I just let the tyres wash off speed in a lot of corners, something I've always done since my racing days. I felt the nanny a few times letting me know she was there, but that's nothing unusual. I've always though the seat detection switch was sensitive. We were really enjoying the ride until half way through a sharp blind corner on a road I know very well & braked accordingly before the corner, the rear wheel locks up & sends us sliding sideways for a few metres & stopping just short of a embankment on our side of the road. I headbutted the steering shattering my visor, & my wife was almost thrown off. Two spyders following managed to swerve around us. I quickly reversed & put a little distance between us & the following riders & pulled over to check out ourselves & the bike. All good, especially my wife although somewhat very confused & frightened. I waved the following riders through & continued on to our destination albeit at very reduced speed. We spoke via our intercoms, my wife & myself wondering what the hell that was all about. I really couldn't workout why the nanny locked up the rear wheel.
I really need an answer as my wife as well as myself are a little hesitant going for another ride on this bike. Does anyone know why the nanny [ If it was the nanny ] locked up the rear wheel. As i have said previously, I did everything correctly leading up to this corner, & should have had no input from the electronics. I have since immobilised the passenger detection switch.
Appreciate all input... Treva.
 
With ABS there shouldn’t have a lock up, it wasn’t nanny.:lecturef_smilie: glad it wasn’t worse.
Suggest visit a dealer & see what buds has recorded.
 
Not good. And definitely not a correctly working Nanny (if that is what created the issue). The Nanny, at her most abrupt interaction would never lock up a wheel. She may be a huge annoyance. But never a hazard in this manner. She is much less aggressive on the redesigned 2013+ models than she was on the earlier Spyders.

I agree with Bfromla. Something is definitely wrong if you are sure it wasn't something you did. Even you should not be able to lock up a wheel for more than a split second. Though it is possible to slide a Spyder under the right conditions. It should not be possible to lock up a wheel.
 
Hope you get the cause identified and fixed.

Can't help but make one comment though:

The leader of a group ride NEEDS to adjust his speed to accommodate the average skill level of the rest of the group.

IF you find that you are repeatedly getting too far out in front, you NEED to slow down a bit.

(Of course that has nothing to do with the problem that you had.)
 
That is scary and I hope you get it fixed. As far as leading a group I never go more than the speed limit and usually a little below. Aggressive cornering (nanny kicking in) when leading a group is NOT the way to go if you want the group to stay together. You need a mindset of not being in a hurry because other people don't ride as fast as others in the corners. If you lead again take it easy.
 
Yikes...!!!

Glad you are both alright and the group made it around the incedent... Worth having it checked out and registered with BRP as the ABS is designed to keep the wheels from locking up and sending the vehicle into an uncontroled skid. If any of the wheels sensors were off you would get a warning alerting you to the problem. Let us know what you find out..:thumbup:
 
Freddy said:
Not the first - see complaint no. 12

http://www.spyderryders.net.au/forum/index.php?topic=543.0
Click to expand...

This link references a totally unrelated issue (though brake related). Warped rotors on the F3's are not all that uncommon. I hope that poor guy went with EBC rotors & pads. Much less expensive and bullet proof as far as my experience has been. (Stop better too!).

He'll be right back where he started in a few months if he put OEM parts back on.
 
I am just going to watch and let those who have information concerning the lock up go on.

The term "nanny" kicking in a few times...made me think you may have been going to fast for the circumstances...but I will not change the subject matter of the OP.
 
BajaRon said:
This link references a totally unrelated issue (though brake related). Warped rotors on the F3's are not all that uncommon. I hope that poor guy went with EBC rotors & pads. Much less expensive and bullet proof as far as my experience has been. (Stop better too!).

He'll be right back where he started in a few months if he put OEM parts back on.
Click to expand...
I thought he was riding an RT. Do they also have a problem with warped rear rotors Ron?
 
I have deleted my reply as I had forgotten about the Vehicle Stability Control which can apply any of the brakes if it intervenes

Sorry about that
 
All,

Several excerpts from my 2018 RT service manual. Darned .pdf viewer won't allow me to copy and paste, but here goes.

SCS (Stability Control System)- (Big Snip)-" It applies braking power to the appropriate wheel" Direct quote from page 545 or page 1 of the vehicle stability systems section.

Another- "It can, as needed, prevent the front wheel from lifting by applying the brake on the opposite side". Same section.

More- VCM- (Vehicle control module) "heart of the vehicle stability system (VSS) and contains 2 microprocessors, 2 hydraulic pumps, several solenoids, and passageways to the brake calipers".

This bike can indeed apply brake pressure to any brake. You are riding with the algorithm. I'd be mighty interested in what BRP finds on this one.

When I was in industry I used to teach the younger folks about machines, electrics, whatever they were learning. Very common question I asked was "How many types of light bulbs are there?" Answers ranged from CFL, incandescent, LED, etc. Good answers, to be honest. But I always told them there were 2. Those that had already failed, and those that were going to fail in the future. With these bikes being so complex using automation to run everything, it is not unreasonable that something as simple as a switch with a faulty contact or some other such item introduced a large offset to the PID loop controlling the braking/stability system and possibly made an overly large adjustment. In industry, I've never seen an automation startup of great complexity come on-line without unforeseen bugs. Can you say 737 MAX?
 
Scary..... Faulty parking brake.....? I know they are not supposed to activate above just a few MPHs. But, if it is faulty.....? Can't think of anything else that would lock-up the rear wheel independently of the front brakes. I hope a resolution is quickly found and shared with us..... Jim
 
Thanks for all of the replies. I've been mulling it over for a couple of days & one thing i do know the passenger detection switch is very sensitive. I'm pretty sure it initiated the lock up. I'm ringing the dealer today. I'll let you know what/if they find. Thanks again...Treva
 
treva said:
Wife [pillion] & myself went on our first club ride last saturday on our 2017 RT. After some debate the usual leader didn't want to, so I elected to lead. Quite a slow bunch of riders [although heaps of corners ]& we were slowing to snail pace a lot waiting for them to catch up. Most of the time we were on the speed limit. I don't use the brakes until it's really necessary on roads/corners i know well. I just let the tyres wash off speed in a lot of corners, something I've always done since my racing days. I felt the nanny a few times letting me know she was there, but that's nothing unusual. I've always though the seat detection switch was sensitive. We were really enjoying the ride until half way through a sharp blind corner on a road I know very well & braked accordingly before the corner, the rear wheel locks up & sends us sliding sideways for a few metres & stopping just short of a embankment on our side of the road. I headbutted the steering shattering my visor, & my wife was almost thrown off. Two spyders following managed to swerve around us. I quickly reversed & put a little distance between us & the following riders & pulled over to check out ourselves & the bike. All good, especially my wife although somewhat very confused & frightened. I waved the following riders through & continued on to our destination albeit at very reduced speed. We spoke via our intercoms, my wife & myself wondering what the hell that was all about. I really couldn't workout why the nanny locked up the rear wheel.
I really need an answer as my wife as well as myself are a little hesitant going for another ride on this bike. Does anyone know why the nanny [ If it was the nanny ] locked up the rear wheel. As i have said previously, I did everything correctly leading up to this corner, & should have had no input from the electronics. I have since immobilised the passenger detection switch.
Appreciate all input... Treva.
Click to expand...



Hey Treva,

Thanks for reaching out.

We are very sorry to hear that this has happened to your wife and words cannot express just how happy we are that nobody was hurt.

At this time, we urge you to reach out to your local BRP Certified dealership to have them take a look at your unit to diagnose any technical related concerns that may be underlying. We want to ensure your safety and this certainly doesn't sound right to us.

If you require any further assistance, or have any other comments or concerns, please do not hesitate to reach out to us via email at [email protected].

Kindest Regards,

David-BRPcare
 
BRPcare said:
Hey Treva,

Thanks for reaching out.

We are very sorry to hear that this has happened to your wife and words cannot express just how happy we are that nobody was hurt.

At this time, we urge you to reach out to your local BRP Certified dealership to have them take a look at your unit to diagnose any technical related concerns that may be underlying. We want to ensure your safety and this certainly doesn't sound right to us.

If you require any further assistance, or have any other comments or concerns, please do not hesitate to reach out to us via email at [email protected].

Kindest Regards,

David-BRPcare
Click to expand...

Hello David, Thanks for your feedback & concern. I do hope the dealer can find & rectify the problem....Treva.
 
Treva, even though your Spyder is fairly new, did you by chance flush the braking system, or get air into it, and not have the dealer reset the ABS using BUSs?
 
IdahoMtnSpyder said:
Treva, even though your Spyder is fairly new, did you by chance flush the braking system, or get air into it, and not have the dealer reset the ABS using BUSs?
Click to expand...

Hello IdahoMtnSpyder, No I have not flushed the braking system. The bike is booked in tomorrow 5/2/19 & I will ask Your question. They may have for some reason flushed the system prior delivery. Food for thought.
Thanks..Treva.
 
It sounds to me like the parking brake locked up. It happened to one of our group this Sunday but at a gas stop. I called Lamont and he explained to me that It could be any number of things, one of which is an electrical accuator. We disconnected the PB cable and on our way out, My brakes went into a fault. Totally unrelated though. Later the message on the screen said low brake fluid. I went to an auto parts and put some in. I also ordered new brake pads as soon as I got home from Lamonster garage.
 
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