bike swerve

On Monday, July 17, 2017 at 3:21:44 PM UTC-4, Ian Field wrote:
wrote in message
...
https://www.google.com/search?gl=us&...&bih=560&dpr=3

Drop the inside knee ...like motorcycle racers

Motorcyclists don't have to pedal anything to power out of the turn.

wong....bicycles for tight turns drop inside knee turn pelvis away from tun n to you objection ...flat pedals during the maneuver

another objection

eager learners esp older people may fall onto the inside turn...so if training be aware this is relatively common

On Sunday, July 16, 2017 at 8:18:28 AM UTC-7, Theodore Heise wrote:
Hi all,

My wife and I were out on our tandem yesterday, and when cornering
one time the bike swerved under us pretty noticeably. It felt
like the tire was rolling under, so I assumed it was low. When I
checked, the tire was fine. The other cause I can think of is my
wife shifted positon during the turn, but I know better than to
bring that up with her.

She suggested we had hit a small stone, but I'm skeptical as I
didn't feel anything like the little bump that would have come
with it. Any thoughts for me?

--
Ted Heise Bloomington, IN, USA

Motorcycle vs bicycle cornering weight transfer is about the greater and lesser mass. A Motorcycle is much greater mass than the rider. A bicyclist is much greater mass than the bicycle. Therefore the lesser mass in each case is what gets turned into the turn in order to trim and set up the vehicle through the line of the turn. This is greatly oversimplified, only describes the basic of why motorcycle vs bicycle weight transfer while cornering is the opposite of each other.

On Monday, July 17, 2017 at 5:23:34 PM UTC-4, Mark J. wrote:
On 7/16/2017 8:18 AM, Theodore Heise wrote:
Hi all,

My wife and I were out on our tandem yesterday, and when cornering
one time the bike swerved under us pretty noticeably. It felt
like the tire was rolling under, so I assumed it was low. When I
checked, the tire was fine. The other cause I can think of is my
wife shifted positon during the turn, but I know better than to
bring that up with her.

She suggested we had hit a small stone, but I'm skeptical as I
didn't feel anything like the little bump that would have come
with it. Any thoughts for me?

The fellow who taught me how to captain a tandem had sage words of advice:

"You can't /make/ a turn from the back of a tandem, but you /can/ veto
one."

I'm with the position-shift theory.

Me too. The first time I rode a tandem, I was stoking. It was a borrowed
Gitane, I guess about 1968 vintage (meaning quite flexible).

The novice captain, a good friend of mine, steered into a turn. Apparently
from the back seat I steered out of the turn. We ended up off the road.

- Frank Krygowski

On Mon, 17 Jul 2017 17:23:28 -0700 (PDT),
Frank Krygowski wrote:
On Monday, July 17, 2017 at 5:23:34 PM UTC-4, Mark J. wrote:
On 7/16/2017 8:18 AM, Theodore Heise wrote:

My wife and I were out on our tandem yesterday, and when
cornering one time the bike swerved under us pretty
noticeably. It felt like the tire was rolling under, so I
assumed it was low. When I checked, the tire was fine.
The other cause I can think of is my wife shifted positon
during the turn, but I know better than to bring that up
with her.

She suggested we had hit a small stone, but I'm skeptical as
I didn't feel anything like the little bump that would have
come with it. Any thoughts for me?

The fellow who taught me how to captain a tandem had sage
words of advice:

"You can't /make/ a turn from the back of a tandem, but you
/can/ veto one."

I'm with the position-shift theory.

Me too. The first time I rode a tandem, I was stoking. It was
a borrowed Gitane, I guess about 1968 vintage (meaning quite
flexible).

The novice captain, a good friend of mine, steered into a turn.
Apparently from the back seat I steered out of the turn. We
ended up off the road.

Thanks for the constructive thoughts. My wife is petite, but the
position shift is a possibility. The tandem list also suggested a
small patch of oil, sand, or irregularly textured pavement. All
seem possible.

--
Ted Heise Bloomington, IN, USA

AND together, always together

"Doug Landau" wrote in message
...
On Monday, July 17, 2017 at 12:23:16 PM UTC-7, Ian Field wrote:
...
On Sunday, July 16, 2017 at 8:18:28 AM UTC-7, Theodore Heise wrote:
Hi all,

My wife and I were out on our tandem yesterday, and when cornering
one time the bike swerved under us pretty noticeably. It felt
like the tire was rolling under, so I assumed it was low. When I
checked, the tire was fine. The other cause I can think of is my
wife shifted positon during the turn, but I know better than to
bring that up with her.

She suggested we had hit a small stone, but I'm skeptical as I
didn't feel anything like the little bump that would have come
with it. Any thoughts for me?

Tell her about John's wife, and bring it up in some other context

Some women are big enough to collapse the rear suspension on a small
motorcycle........................

"Will she fit in your coupe?"
"By herself she's a group"


https://www.youtube.com/watch?v=eEf_UZVMat4

"Theodore Heise" wrote in message
...
On Mon, 17 Jul 2017 17:23:28 -0700 (PDT),
Frank Krygowski wrote:
On Monday, July 17, 2017 at 5:23:34 PM UTC-4, Mark J. wrote:
On 7/16/2017 8:18 AM, Theodore Heise wrote:

My wife and I were out on our tandem yesterday, and when
cornering one time the bike swerved under us pretty
noticeably. It felt like the tire was rolling under, so I
assumed it was low. When I checked, the tire was fine.
The other cause I can think of is my wife shifted positon
during the turn, but I know better than to bring that up
with her.

She suggested we had hit a small stone, but I'm skeptical as
I didn't feel anything like the little bump that would have
come with it. Any thoughts for me?

The fellow who taught me how to captain a tandem had sage
words of advice:

"You can't /make/ a turn from the back of a tandem, but you
/can/ veto one."

I'm with the position-shift theory.

Me too. The first time I rode a tandem, I was stoking. It was
a borrowed Gitane, I guess about 1968 vintage (meaning quite
flexible).

The novice captain, a good friend of mine, steered into a turn.
Apparently from the back seat I steered out of the turn. We
ended up off the road.

Thanks for the constructive thoughts. My wife is petite, but the
position shift is a possibility. The tandem list also suggested a
small patch of oil, sand, or irregularly textured pavement. All
seem possible.

When I was younger and fitter - sometimes I folded back wheels seeing how
fast I could take corners.

On Tuesday, July 18, 2017 at 10:23:42 AM UTC-7, Ian Field wrote:
"Theodore Heise" wrote in message
...
On Mon, 17 Jul 2017 17:23:28 -0700 (PDT),
Frank Krygowski wrote:
On Monday, July 17, 2017 at 5:23:34 PM UTC-4, Mark J. wrote:
On 7/16/2017 8:18 AM, Theodore Heise wrote:

My wife and I were out on our tandem yesterday, and when
cornering one time the bike swerved under us pretty
noticeably. It felt like the tire was rolling under, so I
assumed it was low. When I checked, the tire was fine.
The other cause I can think of is my wife shifted positon
during the turn, but I know better than to bring that up
with her.

She suggested we had hit a small stone, but I'm skeptical as
I didn't feel anything like the little bump that would have
come with it. Any thoughts for me?

The fellow who taught me how to captain a tandem had sage
words of advice:

"You can't /make/ a turn from the back of a tandem, but you
/can/ veto one."

I'm with the position-shift theory.

Me too. The first time I rode a tandem, I was stoking. It was
a borrowed Gitane, I guess about 1968 vintage (meaning quite
flexible).

The novice captain, a good friend of mine, steered into a turn.
Apparently from the back seat I steered out of the turn. We
ended up off the road.

Thanks for the constructive thoughts. My wife is petite, but the
position shift is a possibility. The tandem list also suggested a
small patch of oil, sand, or irregularly textured pavement. All
seem possible.

When I was younger and fitter - sometimes I folded back wheels seeing how
fast I could take corners.

they were defective

"Barry Beams" wrote in message
...
On Sunday, July 16, 2017 at 8:18:28 AM UTC-7, Theodore Heise wrote:
Hi all,

My wife and I were out on our tandem yesterday, and when cornering
one time the bike swerved under us pretty noticeably. It felt
like the tire was rolling under, so I assumed it was low. When I
checked, the tire was fine. The other cause I can think of is my
wife shifted positon during the turn, but I know better than to
bring that up with her.

She suggested we had hit a small stone, but I'm skeptical as I
didn't feel anything like the little bump that would have come
with it. Any thoughts for me?

--
Ted Heise Bloomington, IN, USA

Motorcycle vs bicycle cornering weight transfer is about the greater and
lesser mass. A Motorcycle is much greater mass than the rider. A
bicyclist is much greater mass than the bicycle. Therefore the lesser
mass in each case is what gets turned into the turn in order to trim and
set up the vehicle through the line of the turn. This is greatly
oversimplified, only describes the basic of why motorcycle vs bicycle
weight transfer while cornering is the opposite of each other.

I've had a few small motorcycles that were no heavier than me, a few of them
handled beautifully.

Fat women on the back aren't worth the shagging rights though.

"Doug Landau" wrote in message
...
On Tuesday, July 18, 2017 at 10:23:42 AM UTC-7, Ian Field wrote:
"Theodore Heise" wrote in message
...
On Mon, 17 Jul 2017 17:23:28 -0700 (PDT),
Frank Krygowski wrote:
On Monday, July 17, 2017 at 5:23:34 PM UTC-4, Mark J. wrote:
On 7/16/2017 8:18 AM, Theodore Heise wrote:

My wife and I were out on our tandem yesterday, and when
cornering one time the bike swerved under us pretty
noticeably. It felt like the tire was rolling under, so I
assumed it was low. When I checked, the tire was fine.
The other cause I can think of is my wife shifted positon
during the turn, but I know better than to bring that up
with her.

She suggested we had hit a small stone, but I'm skeptical as
I didn't feel anything like the little bump that would have
come with it. Any thoughts for me?

The fellow who taught me how to captain a tandem had sage
words of advice:

"You can't /make/ a turn from the back of a tandem, but you
/can/ veto one."

I'm with the position-shift theory.

Me too. The first time I rode a tandem, I was stoking. It was
a borrowed Gitane, I guess about 1968 vintage (meaning quite
flexible).

The novice captain, a good friend of mine, steered into a turn.
Apparently from the back seat I steered out of the turn. We
ended up off the road.

Thanks for the constructive thoughts. My wife is petite, but the
position shift is a possibility. The tandem list also suggested a
small patch of oil, sand, or irregularly textured pavement. All
seem possible.

When I was younger and fitter - sometimes I folded back wheels seeing how
fast I could take corners.

they were defective

Highly likely weakened by rust - but I did occasionally manage more than the
speed limit, and sometimes I tried doing it round corners.