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Search: Posts Made By: roger 04 rt
Forum: Thumpers Today, 06:21 AM
Replies: 5,797
Views: 734,402
Posted By roger 04 rt
Thanks for mentioning that. It's what I would...

Thanks for mentioning that. It's what I would expect.
Forum: Thumpers Today, 06:18 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
+1, What he said. The tool that woul really...

+1, What he said.

The tool that woul really help you to measure cause and effect, so that you could see the results of what you're doing, is a Wideband O2 sensor.
Forum: Thumpers Yesterday, 10:31 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
You've done no harm, and if you like it, that's...

You've done no harm, and if you like it, that's all that matters. But these EFI systems work the way they work and Closed Loop Lambda control is just a fact of life. Your comment about the sensor...
Forum: Thumpers 01-26-2015, 07:40 PM
Replies: 5,797
Views: 734,402
Posted By roger 04 rt
It'd be a great race to watch. Your bike running...

It'd be a great race to watch. Your bike running near Best Power Mixture and the other bike running near Best Economy Mixture. I know where I'd put my money.
Forum: Thumpers 01-26-2015, 10:45 AM
Replies: 5,797
Views: 734,402
Posted By roger 04 rt
It does the same thing as an AF-XIED or LC-2....

It does the same thing as an AF-XIED or LC-2. Like the LC-2 the 14point7 takes some engineering skill. I have used a 14point7 so have direct experience with it. I settled on the LC-1/lc-2. However, I...
Forum: Thumpers 01-25-2015, 03:19 PM
Replies: 5,797
Views: 734,402
Posted By roger 04 rt
Charlie's thread would be a better place but it...

Charlie's thread would be a better place but it keeps coming up here.

So that you don't get confused, let's bore down another level. The cause of the stumble is lean-off. The cause of the lean-off...
Forum: Thumpers 01-25-2015, 02:06 PM
Replies: 5,797
Views: 734,402
Posted By roger 04 rt
The root cause of the stumble, based on AFR...

The root cause of the stumble, based on AFR recordings taken on TRZ_Charlie's TR650, is opened-throttle lean-off. You can see in the chart below that as the throttle is twisted, the mixture (which...
Forum: GS Boxers 01-25-2015, 06:16 AM
Replies: 105
Views: 14,381
Posted By roger 04 rt
Very nice install Jim! Is that aluminum buss bar...

Very nice install Jim! Is that aluminum buss bar something you added?

Glad to see earlier that you confirmed the low leakage at 0.2 mA. That's a good low number.
Forum: Parallel Universe 01-24-2015, 04:37 AM
Replies: 17
Views: 729
Posted By roger 04 rt
I was wondering why you hadn't chimed it ......

I was wondering why you hadn't chimed it ... probably up in a jet somewhere ...
Forum: Parallel Universe 01-23-2015, 08:27 PM
Replies: 17
Views: 729
Posted By roger 04 rt
You can read these two threads or take Merlin and...

You can read these two threads or take Merlin and Itsatdm's advice.

http://www.advrider.com/forums/showthread.php?t=861778

http://www.advrider.com/forums/showthread.php?t=933821
Forum: Thumpers 01-20-2015, 02:16 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Either LC-2 or XIED will do a good job. The LC-2...

Either LC-2 or XIED will do a good job. The LC-2 takes a lot more care and feeding.
Forum: Thumpers 01-20-2015, 02:11 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
This is a good plot. The afr at the beginning is...

This is a good plot. The afr at the beginning is at idle at 14.2:1. The exhaust at idle is cooler. The afr at cruise at 4700 rpm is 13.8:1. The afr is lower because the exhaust temperature is higher....
Forum: Thumpers 01-20-2015, 12:21 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
In my experience on the 1150, going to the...

In my experience on the 1150, going to the equivalent of setting 9 doesn't inherently add more fuel ... but it is so much fun to twist the throttle that you accelerate more aggressively and more...
Forum: Thumpers 01-20-2015, 06:16 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Joe, Looking at the datalog, my first take is...

Joe, Looking at the datalog, my first take is that something isn't working correctly. Your ECU doesn't seem to be entering Closed Loop regulation.

I've PM'd you and would like you to email me the...
Forum: GS Boxers 01-19-2015, 03:46 PM
Replies: 59
Views: 8,435
Posted By roger 04 rt
George took some new data on his GS LC. From...

George took some new data on his GS LC. From those tests, two things emerge:

1) The throttle twist grip and throttle value units are definitely in percent (not degrees) and the max % is 100.
2)...
Forum: Thumpers 01-19-2015, 03:36 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Interesting ride and report. Based on...

Interesting ride and report.

Based on Charlie's data, when you open the throttle on a tr650, it blips lean for a moment, causing the hesitation. I think you should see what happens now on setting...
Forum: Vendors 01-19-2015, 11:22 AM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
George, Got the data, thanks. From those tests,...

George, Got the data, thanks. From those tests, two things emerge:

1) The throttle twist grip and throttle value units are definitely in percent (not degrees)
2) Above about 40% the twist grip...
Forum: Thumpers 01-19-2015, 06:10 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Joe, That small a change won't matter. Can you...

Joe, That small a change won't matter. Can you post a screen shot of a cold start at idle, say 3 minutes long? Don't touch the throttle and have it set up before you start.

Also, can you post...
Forum: Vendors 01-18-2015, 06:58 AM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
Even though I marked the chart in degrees, on...

Even though I marked the chart in degrees, on reflection since the BMSK reports percent for pre-LC R1200s, I believe that the units are in PERCENT of max ANGLE.

GKG, the next time you take data,...
Forum: Vendors 01-16-2015, 08:55 PM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
I've been working on fueling with...

I've been working on fueling with georgekinggeorge on his R1200GS LC. He also has a GS-911 Wifi so is able to log realtime values.

The GS LC uses a fly-by-wire throttle, which means that you turn...
Forum: GS Boxers 01-16-2015, 08:54 PM
Replies: 59
Views: 8,435
Posted By roger 04 rt
I've been working on fueling with the owner of an...

I've been working on fueling with the owner of an R1200GS LC. He also has a GS-911 Wifi so is able to log realtime values.

The GS LC uses a fly-by-wire throttle, which means that you turn the...
Forum: Thumpers 01-16-2015, 09:38 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
I hate to be the Grinch That Stole Christmas, but...

I hate to be the Grinch That Stole Christmas, but fuel injector flow-rate changes are one of the list of things that the ECU in your motorcycle learns about through Closed Loop Mixture...
Forum: GS Boxers 01-13-2015, 03:15 PM
Replies: 8
Views: 374
Posted By roger 04 rt
I know it's obvious but make sure the throttles...

I know it's obvious but make sure the throttles are fully seated on the stops.

Also check and see if the factory paint is on the throttle stop screws. It may be that someone performed a zero=zero...
Forum: GS Boxers 01-12-2015, 08:42 AM
Replies: 105
Views: 14,381
Posted By roger 04 rt
UPDATE I've heard further from Rowe about...

UPDATE

I've heard further from Rowe about the standby current drawn with key-off. (They have been very responsive.) It looks like it draw less than 0.5 mA, which is a good number that would result...
Forum: GS Boxers 01-12-2015, 04:56 AM
Replies: 80
Views: 9,599
Posted By roger 04 rt
What you recommend is exactly what I did when I...

What you recommend is exactly what I did when I had a compound-break on a fairing tab, near the cylinder head. JB in the gaps and mating surfaces plus fiberglass cloth over the glued areas but not on...
Forum: Vendors 01-11-2015, 08:13 PM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
I understand what you're saying and agree. The...

I understand what you're saying and agree. The interesting thing is that the actual throttle valve angle varies significantly for a given throttle twist. So 8 degrees of twist can produce 6 to 12...
Forum: Vendors 01-11-2015, 04:37 AM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
George, The more riding data you get (stay at the...

George, The more riding data you get (stay at the current settings) the better. Now that we've determined that the AF-XIEDs are working, let's dig in and see what the sensors say during the...
Forum: Vendors 01-10-2015, 08:31 AM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
George's bike is an R1200GS LC (W) and he has...

George's bike is an R1200GS LC (W) and he has offered to ride with the AF-XIEDs connected and logging data to his GS-911 Wifi.

It took me a while to get to analyzing the GS-911 information but...
Forum: Vendors 01-09-2015, 05:50 AM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
Terry's correct. While operating with a steady...

Terry's correct. While operating with a steady throttle, fuel collects on the walls of the intake manifold and back of the valves in a process called wall wetting. The fuel is always there and part...
Forum: Vendors 01-08-2015, 05:14 AM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
Because idling, once the engine is warmed-up, is...

Because idling, once the engine is warmed-up, is Closed Loop fueling, the effect takes place right away.
Forum: Thumpers 01-05-2015, 09:04 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
That's wierd! It is behaving as if your tps...

That's wierd!

It is behaving as if your tps is bad. It looks like you're opening the throttle but the ecu isnt getting a signal from the tps so the mixture goes lean. Then the closed loop program...
Forum: Vendors 01-05-2015, 08:26 PM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
The exhaust note on my bike is lower in frequency...

The exhaust note on my bike is lower in frequency and/or more distinct. I don't know the reason. But with richer mixtures there is almost no unconsumed oxygen when the exhaust valve opens, so maybe...
Forum: Thumpers 01-04-2015, 09:17 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Joe, It looks to me like you bike was Open Loop...

Joe,
It looks to me like you bike was Open Loop fueling for the first 30 seconds or so. That means the ecu was ignoring the O2 input and you were seeing fueling results based on the fuel tables and...
Forum: Thumpers 01-04-2015, 01:43 PM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Looks normal then. Was the engine warm or cold at...

Looks normal then. Was the engine warm or cold at the start of the log?
Forum: Thumpers 01-04-2015, 10:49 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Joe, this looks pretty good. From 1:05 onward,...

Joe, this looks pretty good. From 1:05 onward, you are seeing closed loop cycling by the ecu. +/- 0.25 afr is equal to +/- 2% mixture variation. This is normal for closed loop operation.

We're...
Forum: GS Boxers 01-01-2015, 05:19 AM
Replies: 105
Views: 14,381
Posted By roger 04 rt
Yes it does draw a little current, 1-3 mA all the...

Yes it does draw a little current, 1-3 mA all the time according to the manufacturer. Let's see what Jim measures.

I think 2 mA is a lot. The Kisan Signal Minder draws 2.5 and I modified it to...
Forum: Thumpers 12-31-2014, 04:45 AM
Replies: 422
Views: 30,792
Posted By roger 04 rt
Joe, One thing you could do to figure out that...

Joe,
One thing you could do to figure out that your LC-2 is working, would be to create a realtime log of the cold-start AFR for the first 3-4 minutes. Your bike should be rich for the first minute...
Forum: Vendors 12-30-2014, 09:14 PM
Replies: 1,417
Views: 167,404
Posted By roger 04 rt
Congrats. Your experience is similar to...

Congrats.

Your experience is similar to mine. It will be interesting to see if setting 8 does any better, it may.

1) Steve says that his production contractor builds for a marine environment so...
Forum: GS Boxers 12-30-2014, 09:01 PM
Replies: 105
Views: 14,381
Posted By roger 04 rt
I managed to contact Rowe regarding the key-off...

I managed to contact Rowe regarding the key-off current load from the PDM60. Expect 2-3 mA although some are as low as 1 mA. For those of us who can't ride for a few weeks at a time in the winter,...
Forum: GS Boxers 12-30-2014, 05:19 AM
Replies: 16
Views: 1,006
Posted By roger 04 rt
It sounds to me like you have leaking fuel lines...

It sounds to me like you have leaking fuel lines in the tank or a clogged fuel filter.

Here's how to test it. http://www.advrider.com/forums/showthread.php?t=897983
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