F6B where's the weight?

[BIGLRY]

Interesting concept. I always match rpm to road speed when downshifting, car or bike. I don't understand why it would make a difference that the engine is fuel injected? Why is the ECU "confused"? You need to raise the rpm, so you use the throttle (the "blip").

The ECU reads the data from various sensors to determine how much fuel the injectors get(injector pulse width) like the TPS (Throttle Position Sensor) or where the ing. timing should be for the load on the engine, as well as the MAP and KNOCK sensors, all which tell the ECU what is going on and what the engine needs at that time. By blipping the throttle the data sent to the ECU is wrong for what is going to happen next...slow down or stop, so the ECU thinks you are accelerating and gives more fuel than needed, changes timing agin thinking it is going to accelerate. If you are running open or more free flowing exhaust pipes you will more than likely hear decel popping which blipping the throttle exacerbates.
Now on a carbed engine decell blipping was to clear the engine as the vacuum will suck in more fuel and can cause a stumble if you were to suddenly accelerate. There is no need to blip a EFI engine, but old habits are sometime hard to change.

As to matching the engine RPM to the trans gear speeds.... Do you let the engine come to an idle before each down shift? Of course not, the engine is turning enough RPM under normal riding conditions for a nice downshift, try downshifting without blipping the throttle and you will see the F6B as well as all Goldwings will downshift perfectly.

[jm21ddd15]

The ECU reads the data from various sensors to determine how much fuel the injectors get(injector pulse width) like the TPS (Throttle Position Sensor) or where the ing. timing should be for the load on the engine, as well as the MAP and KNOCK sensors, all which tell the ECU what is going on and what the engine needs at that time. By blipping the throttle the data sent to the ECU is wrong for what is going to happen next...slow down or stop, so the ECU thinks you are accelerating and gives more fuel than needed, changes timing agin thinking it is going to accelerate. If you are running open or more free flowing exhaust pipes you will more than likely hear decel popping which blipping the throttle exacerbates.
Now on a carbed engine decell blipping was to clear the engine as the vacuum will suck in more fuel and can cause a stumble if you were to suddenly accelerate. There is no need to blip a EFI engine, but old habits are sometime hard to change.

As to matching the engine RPM to the trans gear speeds.... Do you let the engine come to an idle before each down shift? Of course not, the engine is turning enough RPM under normal riding conditions for a nice downshift, try downshifting without blipping the throttle and you will see the F6B as well as all Goldwings will downshift perfectly.

Yes, interesting about confusing the ECU. So, does the ECU also get confused when up-shifting? Most people have the throttle twisted for acceleration, then as they pull in the clutch to up shift, they back off the gas for a fraction of a second, then right back on the throttle. Seems like the "blip" process, almost in reverse. Any thoughts?

[DarkKnt]

The ECU reads the data from various sensors to determine how much fuel the injectors get(injector pulse width) like the TPS (Throttle Position Sensor) or where the ing. timing should be for the load on the engine, as well as the MAP and KNOCK sensors, all which tell the ECU what is going on and what the engine needs at that time. By blipping the throttle the data sent to the ECU is wrong for what is going to happen next...slow down or stop, so the ECU thinks you are accelerating and gives more fuel than needed, changes timing agin thinking it is going to accelerate. If you are running open or more free flowing exhaust pipes you will more than likely hear decel popping which blipping the throttle exacerbates.
Now on a carbed engine decell blipping was to clear the engine as the vacuum will suck in more fuel and can cause a stumble if you were to suddenly accelerate. There is no need to blip a EFI engine, but old habits are sometime hard to change.

As to matching the engine RPM to the trans gear speeds.... Do you let the engine come to an idle before each down shift? Of course not, the engine is turning enough RPM under normal riding conditions for a nice downshift, try downshifting without blipping the throttle and you will see the F6B as well as all Goldwings will downshift perfectly.

I think we're talking about different circumstances. If I'm anticipating a stop, I simply roll off the gas and start braking. As the bike slows and rpm drops, I pull in the clutch and tap down through the gears to arrive in neutral as I pull up to the stop. I'm not downshifting technically, as I'm not releasing the clutch to engage the gears as I slow. This is not my most used technique, because generally, I'm trying not to come to a complete stop. I'm selecting a lower gear in anticipation of accelerating again. So generally, I'm braking, then selecting a lower gear and releasing the clutch. This typically requires raising the rpm to match engine to road speed in the lower gear. To do this I use the throttle to raise the rpm (the blip), and then let out the clutch. I'm now in a lower gear, at a higher rpm, and ready to accelerate - out of the corner, or away from the light, or past the car - whatever...

[tenxxx]

I think we're talking about different circumstances. If I'm anticipating a stop, I simply roll off the gas and start braking. As the bike slows and rpm drops, I pull in the clutch and tap down through the gears to arrive in neutral as I pull up to the stop. I'm not downshifting technically, as I'm not releasing the clutch to engage the gears as I slow. This is not my most used technique, because generally, I'm trying not to come to a complete stop. I'm selecting a lower gear in anticipation of accelerating again. So generally, I'm braking, then selecting a lower gear and releasing the clutch. This typically requires raising the rpm to match engine to road speed in the lower gear. To do this I use the throttle to raise the rpm (the blip), and then let out the clutch. I'm now in a lower gear, at a higher rpm, and ready to accelerate - out of the corner, or away from the light, or past the car - whatever...

Old coots with arthritic hands don't do all that down shifting either.
Just pull the clutch in shift down to neutral let the clutch out till its time to leave.
No throttle blipping, clutch slipping, or any of that funny stuff.