Air retract speed valve?  
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Air retract speed valve? - 12/23/2003 4:53:27 AM   
skyking424



Posts: 143
Joined: 3/21/2003
From: Lawton, OK, USA
Status: offline 		I am installing a set of Century retracts in my P-47. Does anyone know if the Century four way speed control valve is any good or is there a better one out there?

< Message edited by skyking424 -- 12/23/2003 8:28:30 PM >
       Post #: 1

RE: Air retract spped valve? - 12/23/2003 7:49:18 AM   
Richard L.



Posts: 8775
Joined: 7/28/2002
From: Redmond, WA, USA
Status: offline 		The Century Jet 4-way variable air control valve works very well. It is easy to mount and adjust. Plus you have full control of the up and down speed for each gear. The Robart unit might look better, but I would go with the CJ unit for functionality.

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(in reply to skyking424)
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RE: Air retract spped valve? - 12/23/2003 1:36:53 PM   
Roll On 60


 

Posts: 222
Joined: 2/21/2003
From: southeast, USA
Status: offline 		I have owned both and the Robart is musch better when adjusting the speed of the retracts. In addition, it is much easier to mount in the plane and has better connections to the valve.

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RE: Air retract spped valve? - 12/23/2003 4:34:46 PM   
BobH


 

Posts: 4441
Joined: 4/1/2003
From: Springfield, VA,
Status: online 		Try one of the valves from Ultra precision. You can controll your outer doors and your gear at the same time and have them operate in the correct way..
http://www.up-1.com/index.htm
Regards BobH.

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RE: Air retract spped valve? - 12/23/2003 8:38:58 PM   
djay



Posts: 140
Joined: 3/21/2003
From: Dubai, UNITED ARAB EMIRATES
Status: offline 		I have just ordered a CJ 4 way speed control valve from tower Hobbies. I put a set of CJ retracts in my TF P40 but they retract so fast that they do not have time to rotate to the correct position before they enter the wheel well, subsequentially the tyre just punches its way through the top skin of the wing. When the pressure is low, they work a treat and more scale like. so hopefully this valve will work for me.

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RE: Air retract spped valve? - 12/23/2003 9:25:35 PM   
cknaack


 

Posts: 427
Joined: 1/21/2002
From: Arlington Heights, IL,
Status: offline 		I have to agree with BobH, the Ultra Precision valve is the way to go. It may look pricey, but you get what you pay for. This valve comes set up from the factory and needed no adjustment.

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RE: Air retract spped valve? - 12/24/2003 4:32:13 AM   
skyking424



Posts: 143
Joined: 3/21/2003
From: Lawton, OK, USA
Status: offline 		Bob, I have been looking at the Ultra Control Valve and I was wondering if I can use a mini server or just a standard server to operate the valve?

Thanks
Tom

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RE: Air retract spped valve? - 12/24/2003 1:04:16 PM   
BobH


 

Posts: 4441
Joined: 4/1/2003
From: Springfield, VA,
Status: online 		skyking, the valve is no more difficult to operate than any other air control valve. So you can use a standard or even a mini servo if its sufficiently powerful. BobH.

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RE: Air retract spped valve? - 12/24/2003 6:38:59 PM   
skyking424



Posts: 143
Joined: 3/21/2003
From: Lawton, OK, USA
Status: offline 		Bob thanks for your help! I ordered it today.
Merry Christmas everyone

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RE: Air retract spped valve? - 12/25/2003 7:43:37 PM   
BobH


 

Posts: 4441
Joined: 4/1/2003
From: Springfield, VA,
Status: online 		skyking. Merry Christmas to you too. If you get a chance, post a picture of your project. Im sure we all would enjoy seeing it.. BobH.

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RE: Air retract spped valve? - 12/27/2003 7:57:22 PM   
skyking424



Posts: 143
Joined: 3/21/2003
From: Lawton, OK, USA
Status: offline 		Here are a couple pictures of what I have done so far. The only problem I have is. If I put the retract in so the wheel faces inboard as in scale the retract will not fit flush so I can't add the gear door. If I put it in so the wheel faces outboard it will fit flush and I can add the door. I guess I will have to put it in to fit flush.

Attachments
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RE: Air retract spped valve? - 12/27/2003 11:53:40 PM   
BobH


 

Posts: 4441
Joined: 4/1/2003
From: Springfield, VA,
Status: online 		skyking, is this the TF P-47 giant? Looks like it from your pictures. I think there was an update to the instructions that made a few changes so you could add the doors and have them flush..?.. Perhaps someone will chime in who has built one.. BobH.

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RE: Air retract spped valve? - 12/28/2003 2:07:22 AM   
skyking424



Posts: 143
Joined: 3/21/2003
From: Lawton, OK, USA
Status: offline 		Hi Bob, No it is the ModelTech P-47. I just didn't like the small stock gear and wanted to install 3 1/4" wheels that is why I went with the CJ retracts.

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       Post #: 13

RE: Air retract spped valve? - 12/28/2003 3:51:17 PM   
BobH


 

Posts: 4441
Joined: 4/1/2003
From: Springfield, VA,
Status: online 		skyking. thanks. Put the gear so that you can have the doors on. You wont really notice the fork direction too much after that any way.. BobH.

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       Post #: 14

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