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Search: Posts Made By: roger 04 rt
Forum: GS Boxers 03-22-2015, 10:20 AM
Replies: 28
Views: 1,774
Posted By roger 04 rt
Since there is a turn-on ramp for the injector as...

Since there is a turn-on ramp for the injector as well as a shutoff ramp it would be interesting to know the fuel-flow results at 3600 rpm (60 Hz, about 17 mS), at pulse widths between 2-4 mS.
...
Forum: GS Boxers 03-22-2015, 05:55 AM
Replies: 28
Views: 1,774
Posted By roger 04 rt
The 7% mismatch you corrected is huge. In closed...

The 7% mismatch you corrected is huge. In closed loop, one cylinder was running at 14.1:1 and the other at 15.3:1, and the fueling was similarly mismatch in all modes of fueling. One cylinder was...
Forum: GS Boxers 03-17-2015, 04:35 AM
Replies: 18
Views: 5,764
Posted By roger 04 rt
+1. 10V or less is a battery at 0% state of...

+1. 10V or less is a battery at 0% state of charge.

This is in agreement with the advice that Odyssey gives for recharging its batteries. You may just get enough charge in an hour to get it going....
Forum: Vendors 03-16-2015, 08:26 PM
Replies: 1,433
Views: 178,040
Posted By roger 04 rt
The fueling when cold may improve. Give it time....

The fueling when cold may improve. Give it time. Let us know. Try setting 8 after several tanks of gas.
Forum: Vendors 03-16-2015, 12:33 PM
Replies: 1,433
Views: 178,040
Posted By roger 04 rt
Hi Merlin32, The simple answer is that during...

Hi Merlin32,
The simple answer is that during warm-up your bike is Open Loop. It fuels based on: RPM, TPS angle, Oil Temp, Air Temp, Battery Voltage and Barometric pressure. The 1150 stays Open Loop...
Forum: Thumpers 03-06-2015, 10:03 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Geeza also ran multiple WOT test runs in 4th gear...

Geeza also ran multiple WOT test runs in 4th gear on his TR650. The procedure he used was:

--Stabilize and cruise at 2000 RPM in 4th gear.
--Fully open the throttle until 6000 RPM is reached.
...
Forum: Thumpers 03-06-2015, 09:12 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
For those of you who are interested how the TR650...

For those of you who are interested how the TR650 is fueled during a Cold Start (meaning the bike sat overnight), here is a plot made from data supplied by Geeza. You can see the various phases of...
Forum: Thumpers 03-04-2015, 07:37 PM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Puke This is a complicated answer with no way to make...

This is a complicated answer with no way to make it simple. Immediately after an ECU reset, the open loop fueling in the cruise area is about 14.7:1 and richer than that at wide throttle angles. The...
Forum: GS Boxers 03-04-2015, 07:18 PM
Replies: 7
Views: 337
Posted By roger 04 rt
If you open the QD then connect a hose from the...

If you open the QD then connect a hose from the fuel distributor return (top line) into a collection tank you should get 2 liters per minute at idle, which is the amount returning to the tank. If...
Forum: Thumpers 03-04-2015, 08:38 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
The only way to get the lambda (O2) sensor signal...

The only way to get the lambda (O2) sensor signal to be moved to th rich side, is to get it to switch states at a non-stock value of lambda. This is what the LC-2 and AF-XIED do. There is no voltage...
Forum: GS Boxers 03-04-2015, 06:01 AM
Replies: 73
Views: 3,679
Posted By roger 04 rt
Dave, I'm neutral on the filter-externalization...

Dave,
I'm neutral on the filter-externalization idea, do it if you like it. Personally I'm not in favor of adding another foot or two of fuel hose in the tight space outside the tank.

It doesn't...
Forum: GS Boxers 02-28-2015, 09:36 AM
Replies: 73
Views: 3,679
Posted By roger 04 rt
Looking at the condition of my in-tank hoses at 8...

Looking at the condition of my in-tank hoses at 8 years, when they failed, I don't think I'll go more than 5 or so before I replace them.
Forum: GS Boxers 02-28-2015, 04:48 AM
Replies: 73
Views: 3,679
Posted By roger 04 rt
It's not a "zip tie fix" it's a safety-backup. ...

It's not a "zip tie fix" it's a safety-backup.

The point is that even if you make a proper repair or renewal of an Oilhead's in-tank hoses, the consequences of a burst failure are serious. Because...
Forum: GS Boxers 02-24-2015, 03:02 AM
Replies: 50
Views: 2,535
Posted By roger 04 rt
gr8ridn is right. To the best of my knowledge the...

gr8ridn is right. To the best of my knowledge the R1100s Motronic MA 2.2 also has a barometric pressure sensor built in to the ECU motherboard as does the MA 2.4.

Interestingly, the original...
Forum: Vendors 02-24-2015, 02:57 AM
Replies: 1,433
Views: 178,040
Posted By roger 04 rt
Hi Maurie, Glad to hear you're making progress...

Hi Maurie, Glad to hear you're making progress while you save up. I fitted a Techlusion EJK to my 1150 not too long ago. You can make it work but it has limitations. The model I tried "uses" the O2...
Forum: GS Boxers 02-22-2015, 01:21 PM
Replies: 73
Views: 3,679
Posted By roger 04 rt
True, but all the short pieces can split too. I...

True, but all the short pieces can split too. I think the best approach is:

--Annual Return Flow testing to make sure everything in the tank is good, and
--Periodic replacement of all the...
Forum: GS Boxers 02-20-2015, 07:07 AM
Replies: 255
Views: 59,157
Posted By roger 04 rt
The BMSK has no mechanism for altering the dwell...

The BMSK has no mechanism for altering the dwell time based on coil impedance that I've seen.

A better test would be to watch the coil current with a high-speed current probe and to monitor coil...
Forum: GS Boxers 02-19-2015, 07:37 PM
Replies: 255
Views: 59,157
Posted By roger 04 rt
A few reasons: --dwell times on the 1150 are...

A few reasons:
--dwell times on the 1150 are very short relative to the 1200. I want the best match between coil, plug and Motronic
--lower levels of electromagnetic interference since there are...
Forum: GS Boxers 02-19-2015, 04:25 AM
Replies: 73
Views: 3,679
Posted By roger 04 rt
GSA, Very clever. It seems like it makes most...

GSA, Very clever. It seems like it makes most sense to do this when new hoses are installed. Why not do the same to the straight hoses as well?

After my U-Hose failed I decided I'd just make it a...
Forum: GS Boxers 02-17-2015, 09:06 PM
Replies: 50
Views: 2,535
Posted By roger 04 rt
You're very close.

You're very close.
Forum: GS Boxers 02-17-2015, 11:21 AM
Replies: 41
Views: 1,680
Posted By roger 04 rt
Missed the push button. It's only a lot of...

Missed the push button. It's only a lot of current if drawn without the bike running. 20 mA static draw will run the battery down 20% or more in a week.



T stopped! But back. I'm freezing,...
Forum: GS Boxers 02-17-2015, 07:00 AM
Replies: 255
Views: 59,157
Posted By roger 04 rt
The coils are the same but the dwell time on the...

The coils are the same but the dwell time on the R1200GS is twice as long as on the R1150GS. For better or worse, and I'm not sure which, there will be more saturation of the remote coil. I don't see...
Forum: GS Boxers 02-16-2015, 07:18 PM
Replies: 41
Views: 1,680
Posted By roger 04 rt
That VM draws a lot of current. Make sure you...

That VM draws a lot of current. Make sure you wire it to the switched side of one of the relays so that it doesn't drain your battery when the key is off: fuel pump, load relief, or Motronic. The...
Forum: GS Boxers 02-16-2015, 06:43 PM
Replies: 50
Views: 2,535
Posted By roger 04 rt
The stoic ratio of gasoline without ethanol is...

The stoic ratio of gasoline without ethanol is 14.7:1 which means 14.7 lbs. air is needed to burn 1 lb. gasoline. At that ratio all the gasoline combines with all the oxygen in the air. For ethanol...
Forum: GS Boxers 02-16-2015, 07:24 AM
Replies: 50
Views: 2,535
Posted By roger 04 rt
Don't worry about it. Your bike will run...

Don't worry about it. Your bike will run perfectly fine. The BMSK adapts to it fully.

Boat manufacturers obsess about phase-separation in the tank. Big marine tanks, half empty, with lots of...
Forum: GS Boxers 02-11-2015, 04:43 AM
Replies: 21
Views: 858
Posted By roger 04 rt
MFOL, Any idea who makes the discount starter?

MFOL, Any idea who makes the discount starter?
Forum: GS Boxers 02-10-2015, 08:08 AM
Replies: 24
Views: 1,195
Posted By roger 04 rt
Yes that would be better :wink:

Yes that would be better :wink:
Forum: GS Boxers 02-09-2015, 07:44 AM
Replies: 21
Views: 858
Posted By roger 04 rt
When the clutch hub and spline shaft are wearing...

When the clutch hub and spline shaft are wearing excessively they throw off a lot of fine debris. I'm wondering if that's what is accumulating. Those deposits inside the bell housing look very cake-y.
Forum: GS Boxers 02-08-2015, 07:42 PM
Replies: 24
Views: 1,195
Posted By roger 04 rt
Def, My tongue is caught in my cheek but I'll try...

Def, My tongue is caught in my cheek but I'll try to answer your question. There are two important reasons to remove the canister.

1. Many of us ride older motorcycles that were previously owned....
Forum: GS Boxers 02-08-2015, 12:25 PM
Replies: 21
Views: 858
Posted By roger 04 rt
Or maybe debris from a wearing clutch hub?

Or maybe debris from a wearing clutch hub?
Forum: Thumpers 02-05-2015, 02:11 PM
Replies: 460
Views: 37,341
Posted By roger 04 rt
In the "Closed Loop" area of the fuel map the AFR...

In the "Closed Loop" area of the fuel map the AFR of the base map is very close to lambda=1 (Gasoline versus ethanol are a 4% spread so you have to associate the base map with a fuel. On pre-ethanol...
Forum: Thumpers 02-05-2015, 12:00 PM
Replies: 460
Views: 37,341
Posted By roger 04 rt
The ecu locks to a reference point that is...

The ecu locks to a reference point that is external to itself--the O2 sensor. The final Closed Loop fueling is equal to the switching point of the O2 sensor. The stock sensor is 14.7:1 but you can...
Forum: Thumpers 02-05-2015, 09:50 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Charlie's cost so far is about $200, similar to...

Charlie's cost so far is about $200, similar to other lambda-shifting options. He has a measurable permanent fix. I'm thinking of asking him to set up the same Mixture Adaptation (MA) experiment on...
Forum: Thumpers 02-05-2015, 04:29 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
That's a good question. You can find a lot...

That's a good question. You can find a lot written about it, and which resistors riders experimented with including adding pots. The work was done 5-10 years ago. Search the Pelican Parts web site...
Forum: Thumpers 02-04-2015, 09:22 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Exactly my point, most GA aircraft of my vintage...

Exactly my point, most GA aircraft of my vintage (1980s) go richer than BPM for takeoff and climb (but cruise isn't richer than BPM). You are at high altitude and take-off is not necessarily...
Forum: Thumpers 02-04-2015, 04:29 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Hi delewis, the actual point of best power...

Hi delewis, the actual point of best power mixture varies by engine. That said, I believe (and Steve Mullen at Nightrider does too) that you should only add enough fuel to improve the driveability of...
Forum: Vendors 02-03-2015, 08:07 PM
Replies: 1,433
Views: 178,040
Posted By roger 04 rt
With my lambda set to 0.94 I can't tell any...

With my lambda set to 0.94 I can't tell any difference between single and dual electrode plugs so I switched back to stock dual electrodes.
Forum: Thumpers 02-03-2015, 08:00 PM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Interesting questions HP I've seen...

Interesting questions HP



I've seen opinions stated to this effect but no data. The afr plots from trz_charlie and big-t look pretty usual. During rapid throttle advance the ecu does two...
Forum: Thumpers 02-03-2015, 09:08 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Sorry you can't read the graph. It clearly shows...

Sorry you can't read the graph. It clearly shows that power increases from CCM to Best Power Mixture, which varies by engine.
Forum: Thumpers 02-03-2015, 04:38 AM
Replies: 460
Views: 37,341
Posted By roger 04 rt
Glad that lambda-shifting is working out for you...

Glad that lambda-shifting is working out for you guys too. Here's a little more insight about what's going on.

Below is a standard chart of Internal Combustion engine performance versus AFR (air...
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