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CARF-Models P-47 Thunderbolt

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Old 03-18-2011, 07:35 AM
  #26  
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Default RE: CARF-Models P-47 Thunderbolt

Thanks! The question then becomes whether Horizon ships to Europe. I know there have been some issues on this previously. As I understand, there has been a deal between JR and Graupner (which have the same servos with dfferent names) about sales in USA and Europe. But now JR and Graupner are splitting up, rumors has it.
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Old 03-18-2011, 11:04 AM
  #27  
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Default RE: CARF-Models P-47 Thunderbolt

Chief Aircraft ships them. Thanks
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Old 03-19-2011, 04:52 PM
  #28  
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Default RE: CARF-Models P-47 Thunderbolt

Things are getting a bit more exciting now as I elected to forego some of the finer details and get this Juggernaut up on its WHEELS TODAY

Once the wing is on, you really get a sense of just how BIG this plane is! The wheel tracking is about 41 inches. The span is 110" and this is one imposing machine sitting upright on its gear

The wing halves utilize two large aluminum spars and then four long allen bolts secure it to pre-installed mounting points at each corner of the wing saddle I will go back and illustrate wing installation for the Builder's Manual, but just thought I would post a few pictures of the plane today.

The reason for setting it on its gear was to check the landing gear alignment to each wing half and to each other. LOOKIN' GOOD[8D][8D]
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Old 03-20-2011, 04:31 PM
  #29  
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Default RE: CARF-Models P-47 Thunderbolt

Thunderbolt-heads

More pix of the P-47 progression... Today, I mounted the magnificent Moki
You can see the right thrust molded into the carbon fiber engine dome.
Also, a nice shot of the aircraft's underside detail as it rests on its nose prior to Moki mounting
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Old 03-21-2011, 12:27 AM
  #30  
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Default RE: CARF-Models P-47 Thunderbolt


ORIGINAL: RichardGee

Thunderbolt-heads

More pix of the P-47 progression... Today, I mounted the magnificent Moki
You can see the right thrust molded into the carbon fiber engine dome.
Also, a nice shot of the aircraft's underside detail as it rests on its nose prior to Moki mounting

This is a great inspiration! That picture of the airplane with the engine and cowl mounted and on its own legs really shows it off well. This one is a show-stopper. I can't wait to get my hands on it.
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Old 03-23-2011, 07:11 AM
  #31  
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Default RE: CARF-Models P-47 Thunderbolt

Rich doing a great job can't wait for the maiden. Should be impressive, assuming it ever stops raining.
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Old 03-23-2011, 07:22 AM
  #32  
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Default RE: CARF-Models P-47 Thunderbolt

Hmmm. Did Republic ever produce a version on floats..? That may be the only way to get this thing off our saturated field[]
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Old 03-26-2011, 05:25 AM
  #33  
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Default RE: CARF-Models P-47 Thunderbolt

Richard,

I received my P-47 USarrival date yesterday of April 21 and I am trying to get all the parts ready to ship to Graham (tigermodels) for the build. A question I have is; does this model use one servo for the elevators or two servos (one for each elevator)?

Thanks,
John
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Old 03-26-2011, 06:51 AM
  #34  
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Default RE: CARF-Models P-47 Thunderbolt

The model uses one servo per surface, EXCEPT on the elevator where it uses just one servo for both elevator halves.
It has a pre installed torque rod that links both elevator halves and one servo is utilized. See pix.
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Old 03-26-2011, 07:01 AM
  #35  
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Default RE: CARF-Models P-47 Thunderbolt


ORIGINAL: RichardGee

The model uses one servo per surface, EXCEPT on the elevator where it uses just one servo for both elevator halves.
It has a pre installed torque rod that links both elevator halves and one servo is utilized. See pix.
Thank you for the info and pictures....

Just getting everything marked, sorted, and packed for the shipment to the UK. Want to have all the parts out the door as soon as possible once the airframe arrives.


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Old 03-26-2011, 07:07 AM
  #36  
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Default RE: CARF-Models P-47 Thunderbolt

FYI,
For safety and reduce the risk of lost of plane, you may want to modify the elevator for two servos.
As with the comparf corsair, it appears to be an easy 'mod'.


Corsair mod starting at post # 363:

http://www.rcuniverse.com/forum/m_80...15/key_/tm.htm

Initially, I used HS-645's but changed to two HS-7955's giving the plane a total of 666 oz of torque for the elevators (7955's also used on the ailerons).
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Old 03-26-2011, 07:25 AM
  #37  
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Default RE: CARF-Models P-47 Thunderbolt


ORIGINAL: samparfitt

FYI, For safety and reduce the risk of lost of plane, you may want to modify the elevator for two servos.
As with the comparf corsair, it appears to be an easy 'mod'.

Corsair mod starting at post # 363:

http://www.rcuniverse.com/forum/m_80...15/key_/tm.htm

Initially, I used HS-645's but changed to two HS-7955's giving the plane a total of 666 oz of torque for the elevators (7955's also used on the ailerons).
Ihave been planning on using HS-M7990TH servos for both the elevator and rudder controls. Iwill take a look at the corsair mod and discuss with Graham.

Note: For most of the other surfaces, I am going to use HS-7950TH.

Thanks,
John


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Old 03-26-2011, 07:32 AM
  #38  
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Default RE: CARF-Models P-47 Thunderbolt

The P-47 build specifically calls for high quality digital servos of at least 200 in. oz. torque; and recommends JR 8611A's throughout.
While there is nothing wrong with redundancy or other comparable servos, I find the elevator set up to be well within my personal margin of safety when using one JR 8611A. Ultimately, it is up to the builder.
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Old 03-28-2011, 05:45 PM
  #39  
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Default RE: CARF-Models P-47 Thunderbolt

I just ordered a P-47, looking forward to this one, thanks for the build thread. Joe C!!!
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Old 03-28-2011, 05:59 PM
  #40  
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Default RE: CARF-Models P-47 Thunderbolt

looking forward to seeing your Joe when you get it
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Old 03-28-2011, 06:06 PM
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Default RE: CARF-Models P-47 Thunderbolt

Hey guys,

Just a few more pictures of the P-47 progress... I have both retracts installed and the gear doors all situated. Yes, there are a few little tweaks remaining to get everything retracting and lining up nice and slick, but it's 98% there.
Also, the engine dome, Moki 250 and throttle servo have been installed.
The RC ACCENTS servo set up device is a VERY handy tool for setting up servos! I HIGHLY recommend it
http://www.rcaccents.com/
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Old 03-28-2011, 11:06 PM
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Default RE: CARF-Models P-47 Thunderbolt


ORIGINAL: t_burley

looking forward to seeing your Joe when you get it
Thanks Todd!!
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Old 03-29-2011, 06:56 AM
  #43  
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Default RE: CARF-Models P-47 Thunderbolt


ORIGINAL: Joe C


ORIGINAL: t_burley

looking forward to seeing your Joe when you get it
Thanks Todd!!
Great Joe, Better order your solo prop hub and parts now.
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Old 03-29-2011, 09:50 AM
  #44  
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Default RE: CARF-Models P-47 Thunderbolt


ORIGINAL: quist


ORIGINAL: Joe C


ORIGINAL: t_burley

looking forward to seeing your Joe when you get it
Thanks Todd!!
Great Joe, Better order your solo prop hub and parts now.
I will, thanks TQ
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Old 03-31-2011, 02:59 PM
  #45  
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Default RE: CARF-Models P-47 Thunderbolt

Richard,

Are you using 1 inch servo arm length for all the control surfaces? If not, could you post the arm lengths.

Also, what width are you using for the pull-pull rudder servo arm?

Thanks,
John
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Old 03-31-2011, 06:03 PM
  #46  
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Default RE: CARF-Models P-47 Thunderbolt

1 inch servo arms are fine, throughout. You really do not need much control throw and keeping the servo arms short provides maximum torque and minimum back-lash.
I have yet to complete the flap control set ups. Because the flaps are Fowler type with lots of movement, they may need a bit more throw.
I used a 3 inch rudder arm, but this is overkill and will require reduced end points for rudder throw. I simply wanted some working room between the rudder and tail wheel cables and ball links.

I am well aware that using high powered digital servos and a receiver with 2048 resolution is somewhat overkill, as this aircraft does not require the precision control movements of an IMAC or 3D ship. But, better to go a bit overboard on the servos for a margin of safety and control confidence
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Old 03-31-2011, 06:33 PM
  #47  
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Default RE: CARF-Models P-47 Thunderbolt

That video with the Moki is incredible.
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Old 03-31-2011, 09:53 PM
  #48  
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Default RE: CARF-Models P-47 Thunderbolt

WELL I HAVE TO SAY I have ordered mine, Its being shipped now downunder MOKI 250 WILL HAVE TO BE ,But am stuck in brisbane now for some time and will be a while before its in th air, THAT Video gave me a #$@*& ON.
REGARDS
JOHN
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Old 04-01-2011, 07:10 AM
  #49  
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Default RE: CARF-Models P-47 Thunderbolt

There is no doubt the Moki 215/250 is the premiere engine of choice for this plane, but keep in mind the new DA120 (or equivalant) can be used for power at MUCH lower cost.

With the DA, some compromises will have to be made, but no one should deny themself the fun of having the most bad ass Thunderbolt on the block just because they lack the bank for a big radial...

I am still waiting for Dave at Desert Aircraft to ship me a 120 so it can be illustrated in the Builder's Manual.
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Old 04-01-2011, 01:17 PM
  #50  
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Default RE: CARF-Models P-47 Thunderbolt

One of my favourite warbirds...ESM need to release one....soon.
Razorback..that is.
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