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Old Feb 07, 2010, 11:05 AM
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Angelo's Avatar
Chicago, IL
Joined Nov 1999
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Hey Dag, have you figured out how long it will take to get all systems up and do the preflight checks at the field? Even pressurizing the air tanks before you go out, just checking everything over, I would guess will take some time!
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Old Feb 07, 2010, 11:21 AM
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United States, FL, Pembroke Pines
Joined Aug 2008
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Quote:
Originally Posted by dag214 View Post
Yesterdays adventure is systems stuff.

DAG
Hi Dag,

What air brake pressure regulators are you using? I've been searching and haven't found anything like what you have there.

Regards,

- Birger
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Old Feb 08, 2010, 02:42 AM
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USA, CA, San Bernardino
Joined Oct 2009
100 Posts
Mini Air Compressor For Retracts

Hi Dag,

I don't know if you have found a solution yet for refilling your air system but I came across this so I will pass it on. It sells for $19.99 and runs on 12v;

http://www.ejf.com/index.php?main_pa...roducts_id=662

Best Regards,

Gary
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Old Feb 08, 2010, 07:17 AM
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Australia, NSW, Forster
Joined Oct 2004
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Wow! Post #6,000 passed!
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Old Feb 08, 2010, 07:50 AM
It only takes one good idea
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Fishers, Indiana
Joined Oct 2004
6,062 Posts
Well things are slow going. The air systems are taking a bunch of time. I really wish I could get back to sheeting, that goes so much faster.

Yesterday I got my new air valve control panel cut out, built, and painted. If all goes well I will have this in the plane and being tested by Wednesday.

Thanks, DAG
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Old Feb 08, 2010, 11:21 AM
Retired and Lovin' it!
United States, KY, Sturgis
Joined Jul 2007
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Dag, I fear that you will find that finishing this huge model is going to be similar to doing finish work on a new house. It takes much more time than it seems like it should. Keep up the good work. Like everyone else, I am patiently waiting to see the finished product but it is also great watching it all come together. I'm afraid that when its finished, it will be something of a 'let-down' because we will lose the 'suspense' of waiting for the next installment.
Tony
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Old Feb 08, 2010, 12:21 PM
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Canada, BC, Squamish
Joined Jul 2002
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Seeing this beast take to the air for the first time (even in a video some hours or days later) will be magical and thrilling. Certainly not a 'let-down'. I've been wondering how 'finished' it'll be when it first flies. I'm always torn between damaging a model before it's even finished by test flying, vs risking even more work being damaged on a 'maiden' of a finished model.
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Old Feb 08, 2010, 02:33 PM
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Mount Juliet, TN
Joined Feb 2008
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I assume all the air tanks will be pressurized to the same pressure? I'd make a little manifold (that stays with the pump) making it possible to connect all the air tanks up to the pump simultaneously. They will all maintain the exact same pressure as they are being pumped up. You would have to have on/off valves (or check valves) on each of the manifold lines so that no air would leak out as you're disconnecting the manifold from the schrader valves on the plane. What would be even cooler would be to have an automatic cutoff on the pump when the target pressure was reached. Also, being all connected together while pressurizing would be a good way to calibrate the pressure gauges of each of the separate systems. You'd instantly know if one of the gauges was off by some signifigant amount. If the gauge itself could not be physically calibrated, you could make a tiny placard noting that gauge's deviation from true.

Tom
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Old Feb 08, 2010, 02:40 PM
It only takes one good idea
dag214's Avatar
Fishers, Indiana
Joined Oct 2004
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Quote:
Originally Posted by Tonystott View Post
Wow! Post #6,000 passed!
Hey Tony,
Kinda crazy, 6000+ post, almost 600,000 views.

And she still is not setting on her feet.

I have to get her done by 2012, because we all know that's the END!

DAG
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Old Feb 08, 2010, 02:57 PM
HAL... Open the damn doors!
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Miramar, Florida
Joined Jul 2007
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Originally Posted by dag214 View Post
I have to get her done by 2012, because we all know that's the END!

DAG
Yes, you and your family can fly her to safety ;-)

Jack
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Old Feb 08, 2010, 03:01 PM
It only takes one good idea
dag214's Avatar
Fishers, Indiana
Joined Oct 2004
6,062 Posts
Right!
There has been a bunch of talk about checklist out there.

Attached is my checklist for flight, I have one for assembly/disassemble and maintenance.

Attached is a work in progress and I have not had much time to really get it right. Slammed with work and taking a lunch break.

DAG
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Old Feb 08, 2010, 03:10 PM
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United States, FL, Pembroke Pines
Joined Aug 2008
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Quote:
Originally Posted by dag214 View Post
Yesterdays adventure is systems stuff.

DAG
Hi Dag,

My original questions probably fell through the cracks so here it goes again. What brake pressure regulator valve are you using. I have been searching for one but haven't found anything I like.

Regards,

- Birger
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Old Feb 08, 2010, 03:38 PM
It only takes one good idea
dag214's Avatar
Fishers, Indiana
Joined Oct 2004
6,062 Posts
Quote:
Originally Posted by bdelapen View Post
Hi Dag,

My original questions probably fell through the cracks so here it goes again. What brake pressure regulator valve are you using. I have been searching for one but haven't found anything I like.

Regards,

- Birger
It did,
Sorry Birger.
http://www.beswick.com/products/prod...ls.php?pid=157

Very cool. I am testing soon so I will let you know how it works.

Thanks, DAG
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Old Feb 08, 2010, 05:54 PM
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kimhey's Avatar
nttery, NORWAY
Joined Mar 2006
1,171 Posts
Quote:
Originally Posted by dag214 View Post
Right!
There has been a bunch of talk about checklist out there.

Attached is my checklist for flight, I have one for assembly/disassemble and maintenance.

Attached is a work in progress and I have not had much time to really get it right. Slammed with work and taking a lunch break.

DAG
Gotta love that checklist
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Old Feb 08, 2010, 06:55 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
28,166 Posts
That checklist puts some full size aircraft checklists to shame...

SteveT
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