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Search: Posts Made By: Raleighcopter
Showing results 1 to 25 of 143
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11-27-2022, 10:46 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

That's why I was going to explore using s.bus: as...

That's why I was going to explore using s.bus: as many channels as I want but solenoid mixture, throttle position, and a control channel or two. Controls could tune tank pressure, enable choke, tune...
11-27-2022, 09:35 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

...use the air pump to choke the engine:throttle...

...use the air pump to choke the engine:throttle open, solenoid open, air pump on.
11-27-2022, 09:28 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

I think the air pump wants to follow RPM. The...

I think the air pump wants to follow RPM. The solenoid doesn't follow RPM. I think I want several options for controlling the air pump. Without a solenoid present, I want it to read a channel and...
11-27-2022, 07:23 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

Some hints for programming.... 256 step pwm...

Some hints for programming....

256 step pwm is standard on most arduinos. If you don't need higher resolution, there's no need to get into that low level timer stuff that I got into for the...
11-26-2022, 01:05 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

hey chris. i read the new code you sent. i...

hey chris. i read the new code you sent. i realize it is working for you at the moment but you're doing some things i did with the solenoid controller in its evolution.

i know you're using the air...
11-25-2022, 05:07 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

https://cimg6.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg6.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/1080x1034/screenshot_20221125_200414_910e92cad2c6150f4e39aff3495756d1d11eeb0c.png
I ordered 3 of these. Seems to be a bunch of different...
11-24-2022, 10:11 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

...a single controller configured to read 2...

...a single controller configured to read 2 temperatures, rpm and to control a solenoid and an air pump and send telemetry all served up in a nice servo sized package or two.
11-24-2022, 08:07 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

You will need to "electronically" choke it to get...

You will need to "electronically" choke it to get it started but you should be able to turn the choke off assuming it warms up.
11-23-2022, 07:44 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

If it gets really cold you can show us how well...

If it gets really cold you can show us how well the compensation works. What was the high temperature you ran at during the summer?
11-23-2022, 11:56 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

They can, and I have a couple. If you're worried...

They can, and I have a couple. If you're worried that these are available for such a low price because they're grey market, I would suggest that Stihl should be manufacturing them in a more secure...
11-23-2022, 04:30 AM
11-23-2022, 04:25 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

Most likely it has a longer lifespan than 100...

Most likely it has a longer lifespan than 100 hours but it's been rated at 100 hours to reduce failures to a very low number because it's for use in a medical device. I bet it lasts longer than 100...
11-21-2022, 04:28 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

It would also negate the need to purchase $60...

It would also negate the need to purchase $60 worth of brazing rod to add a tap to my straight pipes.
11-20-2022, 07:56 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

Are you or will you be running this air...

Are you or will you be running this air pump/controller in conjunction with the solenoid and xiao controller? Is that something that is desirable? If so, we should consider adding the option to the...
11-20-2022, 07:49 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

So you think it should be solenoid or air pump...

So you think it should be solenoid or air pump control. Okay, we should add rpm input to the xiao controller and have the option to use the air pump attached in place of the solenoid to make things...
11-20-2022, 05:04 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

Seems to me that the change in tank pressure, if...

Seems to me that the change in tank pressure, if we're talking about a controller based on tank pressure only, would have a fairly long time constant and wouldn't be able to keep up with the throttle...
11-20-2022, 02:42 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

I was hoping to not need additional hardware. ...

I was hoping to not need additional hardware.

I'll see if it works on the xiao.
11-20-2022, 10:22 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

i started playing with code a bit this morning....

i started playing with code a bit this morning. first was to add build options to disable the oled. and s.port and to enable the airpump...

//define build options here change to 0 to omit
boolean...
11-16-2022, 06:32 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

There's this, Chris ... ...

There's this, Chris ...

https://www.thingiverse.com/thing:4049316
11-16-2022, 02:46 PM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

Seems like a job for the 3d printer.

Seems like a job for the 3d printer.
11-13-2022, 06:34 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

I meant that the fuel pressure/muffler pressure...

I meant that the fuel pressure/muffler pressure is actually controlled to a specific pressure based on an actual pressure sensor that would vary the air pump speed, the bleed valve opening, or a...
11-13-2022, 05:49 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

What if you were to define the actual fuel...

What if you were to define the actual fuel pressure you wanted based on rpm and then control the pump based on an actual pressure sensor instead of a curve? Pressure would then be very specific for...
11-06-2022, 04:37 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

If that second curve works we should strongly...

If that second curve works we should strongly consider moving to an s.bus or some other sort of composite channel input to keep the wiring simple. It would also pave the way for additional control...
11-05-2022, 05:51 AM
11-04-2022, 08:06 AM
Replies: 1,228
Views: 27,013
Posted By Raleighcopter

were you planning to point the exhaust from the...

were you planning to point the exhaust from the muffler towards the rear of the airplane somehow?
Showing results 1 to 25 of 143
 


 
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