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TopRC giant P-47 Thunderbolt ARF

Old 03-02-2022, 07:35 PM
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Default Wing bags

Providing measurements to Revoc. Bags hopefully orderable soon -






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Old 03-03-2022, 07:21 AM
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It is from Gerhard @Aircraft International; it is a Biela 24x10.
Old 03-03-2022, 08:37 AM
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Originally Posted by maddog-RCU
It is from Gerhard @Aircraft International; it is a Biela 24x10.
Thanks Mike, but I was also wondering about the actual brand and size of the (spinner/hub) you show in the photo, thanks.
Old 03-03-2022, 06:08 PM
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Good job on the bags. Especially for me.
I reached out to Revoc a few weeks ago and they asked me to measure my P47, as they haven't made bags for it yet. Haven't done the measuring yet. Glad your doing it for me Mark!
I love the Revoc bags. Have 2 other sets of bags for other planes. Love them and they are my to guys now.

I've been working on other projects and have done little on my P47....other than buy lots of goodies for it.
Brad
Old 03-03-2022, 07:05 PM
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I got yo do the same for the version of the H9 mustang...they have ones for the okder blue nose with the two piece wing, not current with the three piece...Keep forgetting to do it.
Old 03-04-2022, 11:07 AM
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Colt4570;

The spinner/hub came from Tru Turn; size is determined by engine type you are using.
Old 03-04-2022, 12:14 PM
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Originally Posted by maddog-RCU
Colt4570;

The spinner/hub came from Tru Turn; size is determined by engine type you are using.

Thank you sir, your setup looks amazing.
Old 03-04-2022, 03:08 PM
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I have something near identical coming from Tru Turn any day now. Custom hub they made up for me for my 120 CC equivalent Electric P47.
Just need to start work on the bloody thing. Busy busy!

Esprit Elite 120cc

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Old 03-05-2022, 04:45 PM
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A question about flap control horns. I've heard some people have mounted the control horns on the flaps facing the trailing edge of the wing. They said it was to get more deflection on the flaps and gave the servo more mechanical advantage. Getting anxious to start this build, but need to make sure of the details first, lol. Has anyone here felt or found the need to mount the flap horns rearward facing? And if so, what was the reason?

If I might also ask, what length servo arms are you guys using on your surfaces? Thanks.

Last edited by Colt4570; 03-05-2022 at 05:32 PM. Reason: adding text
Old 03-07-2022, 04:14 AM
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Just mount the flap horn as standard on this model, it gives you almost 90 degrees of flap!

30mm servo horns are perfect.
Old 03-07-2022, 08:45 PM
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Originally Posted by mudflap31
Just mount the flap horn as standard on this model, it gives you almost 90 degrees of flap!

30mm servo horns are perfect.
Sounds good, thanks!
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Old 03-07-2022, 09:26 PM
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Originally Posted by Colt4570
A question about flap control horns. I've heard some people have mounted the control horns on the flaps facing the trailing edge of the wing. They said it was to get more deflection on the flaps and gave the servo more mechanical advantage. Getting anxious to start this build, but need to make sure of the details first, lol. Has anyone here felt or found the need to mount the flap horns rearward facing? And if so, what was the reason? If I might also ask, what length servo arms are you guys using on your surfaces? Thanks.
I found on my TopRC Zero that the flap horns work to a much better mechanical advantage when they are facing the rear . I tried it both ways because the instruction sheet was unclear and actually had shown them mounted both ways in separate photos . I think later on, they may have corrected the instructions, or others found out the way I did by experimenting as I have since read a few posts about placing them facing the rear.
I used 3/4" horns .
Old 03-08-2022, 12:14 PM
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Thanks guys. I'll dry fit them and see what I've got!
Old 03-08-2022, 06:01 PM
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If it will swing to around 72 degrees full flaps either way..should be good.

Old 03-13-2022, 02:01 AM
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Let's talk about LG:
Which Landing Gear did you choose ?
Old 03-13-2022, 12:43 PM
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When I bought mine there was no option. The default was the TopRC gear package. Seems like a lot of people favor the Electron actuators.
Old 03-13-2022, 12:51 PM
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Ref the power of the engines being used. Pilot just came out with a 40lb P47 and used a Saito FG-90r3 3cyl radial in it. Has anyone here used a 4 stroke that small for a 37-40 lb. bird?
Old 03-13-2022, 01:08 PM
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Originally Posted by Colt4570
When I bought mine there was no option. The default was the TopRC gear package. Seems like a lot of people favor the Electron actuators.
Yes , Electron Actuators ER 50 classic is the best but i do not know the modification to do to put it in the housing wing .
Old 03-13-2022, 02:37 PM
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A couple more questions as I look at the hardware provided. Are you guys using the supplied 2mm ball joints, or going with something bigger?..

And how in the heck are you supposed to, "secure the horizontal stab with a screw"? There's no holes for screws anywhere that I can see.

Thanks
Old 03-14-2022, 12:48 AM
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Can someone have the kindness to tell me if this can be installed without big modification

Last edited by laverdure; 03-14-2022 at 02:34 AM.
Old 03-14-2022, 06:56 AM
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Colt4570,

I have used all the hardware that has been provided with the plane so far.

To secure the horizontal stab I glued the tube into one of the stabs; and if you look closely at the bottom of the stabs you will see a small hole that you will need to drill out and add a securing screw to.
Be sure and do this with the stabs mounted to the aircraft.
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Old 03-14-2022, 08:54 PM
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Originally Posted by maddog-RCU
Colt4570,

I have used all the hardware that has been provided with the plane so far.

To secure the horizontal stab I glued the tube into one of the stabs; and if you look closely at the bottom of the stabs you will see a small hole that you will need to drill out and add a securing screw to.
Be sure and do this with the stabs mounted to the aircraft.
Thank you very much sir! I did see the little holes, but thought they were mold holes/vents/defects etc.. And I will trust the hardware. Really wish the manual had been a little more detailed, lol.
Old 03-15-2022, 07:30 AM
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LOL

Yeah the manual is nothing more than "this is how it looks when finished" assemblies.
Anyone with no building experience would be totally lost.

Colt; are you going to be using the gear door hinging that is on the tailwheel?
I do all my flying off of grass and when those doors are open and the tailwheel is down there is not a lot of clearance to the ground from the open doors.
I'm currently re-engineering those in hopes of getting better clearance.
Old 03-15-2022, 08:30 AM
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Originally Posted by maddog-RCU
LOL

Yeah the manual is nothing more than "this is how it looks when finished" assemblies.
Anyone with no building experience would be totally lost.
Colt; are you going to be using the gear door hinging that is on the tailwheel?
I do all my flying off of grass and when those doors are open and the tailwheel is down there is not a lot of clearance to the ground from the open doors.
I'm currently re-engineering those in hopes of getting better clearance.
I noticed in photos it was pretty lean on ground/door clearance. Both the fields I fly at are asphalt, so I will probably use the stock gear doors. I read in this thread or another one that someone managed to mount the tail wheel assembly approx 5/8" lower on the former to get additional clearance. Not at that stage yet, so not sure if that's a good option. Let us know how your mod works out.
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Old 03-20-2022, 07:58 AM
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Originally Posted by maddog-RCU
LOL

Yeah the manual is nothing more than "this is how it looks when finished" assemblies.
Anyone with no building experience would be totally lost.

Colt; are you going to be using the gear door hinging that is on the tailwheel?
I do all my flying off of grass and when those doors are open and the tailwheel is down there is not a lot of clearance to the ground from the open doors.
I'm currently re-engineering those in hopes of getting better clearance.
I read about the same problem on FB so looked at re-engineering the mounting points for the tailwheel retract. Was able to lower the wheel around 3/8” - this makes it more challenging to close the gear doors with linkage but I think I’ve got it working. If that becomes a problem I ran a servo lead and will install a servo to operate the doors.

Paul

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