Allendale Stores on Ebay Air Speed Sensor Static Pitot Tube

Flyboysee · July 02, 2015, 11:41:19 AM

Hi Guys

Just a head's up, this supplier on eBay has these pitot tubes back in stock!

http://www.ebay.co.uk/itm/231224654621?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

I've used them with much success with the MFD AP Air Speed Sensor.

Richard

bignose13 · July 02, 2015, 04:18:42 PM

Got mine now Rich, thanks for the heads up
Just one thing though, which tube goes to which hole on the sensor? Or is it just a case of fitting, blowing on the tube and seeing if you got airspeed on the osd
Cheers

Flyboysee · July 02, 2015, 04:27:18 PM

Quote from: bignose13 on July 02, 2015, 04:18:42 PM
Got mine now Rich, thanks for the heads up
Just one thing though, which tube goes to which hole on the sensor? Or is it just a case of fitting, blowing on the tube and seeing if you got airspeed on the osd
Cheers

Yeah, blow don't suck, you'll soon find out if you're on the right end :)

Flyboysee · July 02, 2015, 04:29:11 PM

That was quick - just ordered one for myself as well... This morning I nosed the EZ in... :(

Anybody interested in printing some side fuse off sets for these so that it doesn't have to come right out the front of the fuse? I think they will last a bit longer like that :)

bignose13 · July 02, 2015, 06:24:09 PM

I had stef print me one that was in thingyverse, just checking now, fits a charm and has a barb which can be glued into the foam fuze, pm him mate, I'm sure he'll print one out for you

CurryKitten · July 02, 2015, 07:06:14 PM

Got a link for the thingyverse one ? I should be up at Rich's on Sunday (Buffalo pt 3) so I can print him one and take it up there

bignose13 · July 02, 2015, 07:45:43 PM

Here you go mate
http://www.thingiverse.com/thing:405444/#instructions

iPeel · July 02, 2015, 07:59:36 PM

This is the one I've used, to give you some options:

http://www.thingiverse.com/thing:164571

Flyboysee · July 02, 2015, 11:49:32 PM

Wayne, thanks man! What a gent! I'll take two if I may? :)

BigT · July 03, 2015, 12:45:20 AM

Quote from: bignose13 on July 02, 2015, 04:18:42 PM
Got mine now Rich, thanks for the heads up
Just one thing though, which tube goes to which hole on the sensor? Or is it just a case of fitting, blowing on the tube and seeing if you got airspeed on the osd
Cheers

You do not need both tubes connected now. Charles has said that you now disconnected the tube from the inlet nearest the pcb. This is the static pressure. The top tube is connected to a straight tube and pointed into the airstream.

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Flyboysee · July 03, 2015, 12:56:16 AM

Quote from: BigT on July 03, 2015, 12:45:20 AM

Quote from: bignose13 on July 02, 2015, 04:18:42 PM
Got mine now Rich, thanks for the heads up
Just one thing though, which tube goes to which hole on the sensor? Or is it just a case of fitting, blowing on the tube and seeing if you got airspeed on the osd
Cheers
You do not need both tubes connected now. Charles has said that you now disconnected the tube from the inlet nearest the pcb. This is the static pressure. The top tube is connected to a straight tube and pointed into the airstream.

Sent from my iPad using Tapatalk

Thanks BigT - is this info in a manual or post somewhere? Could you link it please? Is this something for the new firmware? I have not downloaded the new firmware and not sure I will co's my planes on MFD AP are all flying well, and airspeed with both tubes connected is accurate.

Do you then know of a single pitot to use, or is it just a case of not plugging one in?

Richard

Coyote · July 03, 2015, 09:08:58 AM

It's nothing new, it's always been the same, the second tube measures static pressure. Great for fighter jets with pressurized cabins, pointless for foam models that are not pressurized.

skyscraper · July 03, 2015, 11:26:12 AM

Quote from: Coyote on July 03, 2015, 09:08:58 AM
It's nothing new, it's always been the same, the second tube measures static pressure. Great for fighter jets with pressurized cabins, pointless for foam models that are not pressurized.

Personally I'm seriously not convinced this is good practise. You have to make sure that there is no airflow where the sensor is. There is bound to be some. In fact there Should be some surely. Cooling over the ESC for example and that will prob be highly dependent on airspeed.. And you cant predict its direction and speed.

Seems easier to me to connect 2nd tube than try to figure what airflow near sensor is doing..

still if people cant be assed to connect 2nd tube... :laugh:

regards
Andy

BigT · July 04, 2015, 12:15:30 AM

There is no question that this works. Try it and see for your self. In fact the fy tech as sensor has only one port.

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