Top Flite P51 Mustang Build

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Author Topic: Top Flite P51 Mustang Build  (Read 13377 times)

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stueysheep
Posts: 16,361
Reply #80
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 10:31:40 AM
Quote from: p51p47 on March 19, 2011, 09:50:25 AM
With a frontal impact such as this where the engine wasn't actually rotating, I'd say it's highly likely you've bent the crank probably between the flywheel & the front bearing rather than simply misaligned the 2 crank webs. The other possibility is the flywheel is also bent if this had contact as well. Try removing the flywheel and checking the crank for true.........if it's is true, then that points to the flywheel.

Phil

When I had a brief look last night whilst the engine was assembled. The flywheel wobbled about half as much as the prop driver. So it looks like the bend is where it leaves the crack casing... $%&

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Norfolk'n'Good
Posts: 6,446
Reply #81
Online Norfolk'n'Good wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 12:25:58 PM
You have to check it as a complete assembly with prop driver and flywheel on.  Sounds like a bent flywheel to me and you may be able to get away with facing it off where the prop driver bolts on.

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stueysheep
Posts: 16,361
Reply #82
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 14:32:35 PM
Quote from: Norfolk'n'Good on March 19, 2011, 12:25:58 PM
You have to check it as a complete assembly with prop driver and flywheel on.  Sounds like a bent flywheel to me and you may be able to get away with facing it off where the prop driver bolts on.

Just spent another 5 minutes with CC, and even with the flywheel and prop driver removed, the tapered crank bit (you know where that famous woodruff goes) still move from side to side when the crank is rotated...  :-\

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Charlie C
Posts: 3,538
Reply #83
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 19:24:22 PM
Last Edit: March 19, 2011, 22:17:18 PM by Charlie C
Yayyyyy,#

At last, a bit of luck.

Spent the afternoon stripping the 38. I put the crank in the lathe, centred it then basically built up the engine around in whilst still in the lathe.

Stuey just nipped round and we ran it, on a test bench on the drive. Suppose the neighbours will have a moan to SWMBO now  :D :D :D

Anyway, after a false start, due to a broken woodruff key, it now runs a treat agin and the prop driver is as centred as a centred thing  ^-^ ^-^ ^-^

Happy bunny now.

Will stick it back in the airframe, carefully, and get back to where I left off on Thursday evening  :xx :xx :xx

Soooooo,

Maybe Wednesday/Thursday for a spot of P51 aviating  :xx :xx :xx

Charlie C

« Last Edit: March 19, 2011, 22:17:18 PM by Charlie C »
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Norfolk'n'Good
Posts: 6,446
Reply #84
Online Norfolk'n'Good wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 21:25:26 PM
That's good news although I don't see how building it up in the lathe can make any difference.  Good luck with the maiden.

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Charlie C
Posts: 3,538
Reply #85
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 22:19:05 PM
S'easy,

It guarantee's everything stays true when its assembled, like a jig on a production line.

It worked, that's the main thing.  :af :af :af

Charlie C

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stueysheep
Posts: 16,361
Reply #86
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 22:20:21 PM
Quote from: Charlie C on March 19, 2011, 22:19:05 PM
S'easy,

It guarantee's everything stays true when its assembled, like a jig on a production line.

It worked, that's the main thing.  :af :af :af

Charlie C

I just think you tapped it in eaxactly the right place....  :af

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Charlie C
Posts: 3,538
Reply #87
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 22:25:16 PM
 ;D ;D ;D

Don't care, its fixed.

In  fact its fitted  ::) ::) ::)

I'm now back to where I was Thursday evening.

The back end is fixed as well.

Spot of flying in the morning, then crack on.

Charlie C


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Steve Mitchell
Posts: 5,506
Reply #88
Offline Steve Mitchell wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 22:54:25 PM
Quote from: Charlie C on March 19, 2011, 22:25:16 PM
;D ;D ;D

Don't care, its fixed.

In  fact its fitted  ::) ::) ::)

I'm now back to where I was Thursday evening.

The back end is fixed as well.

Spot of flying in the morning, then crack on.

Charlie C

Wave to me i'm over your way tomorrow with Mr R :ev

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stueysheep
Posts: 16,361
Reply #89
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 22:57:35 PM
Quote from: Steve Mitchell on March 19, 2011, 22:54:25 PM
Wave to me i'm over your way tomorrow with Mr R :ev

If you see a rather large Pup in the sky, then please lower your shotguns guys.

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Steve Mitchell
Posts: 5,506
Reply #90
Offline Steve Mitchell wrote Re: Top Flite P51 Mustang Build on March 19, 2011, 23:08:25 PM
Quote from: stueysheep on March 19, 2011, 22:57:35 PM
If you see a rather large Pup in the sky, then please lower your shotguns guys.

 :ev :ev......PULL......

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Charlie C
Posts: 3,538
Reply #91
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 24, 2011, 22:01:19 PM
Yayyyy,

Its finished.

Needs an engine run, a range check, both at the same time, and an airtest assuming succesful completion of the former.









Its a bit shiney, but I can live with that, and I haven't put the supplied gun ports on as they are embarresing and I couldn't bring myself to fit them.

I'll get the airtest and Barkston out of the way then have a think about them. $%& $%&

Unfortunately, it won't get flown till next week as family commitments preclude any attempt at flying this weekend.

Got the weather booked for next Monday evening tho  :af :af

Charlie C

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pylon
Posts: 1,752
Reply #92
Offline pylon wrote Re: Top Flite P51 Mustang Build on March 24, 2011, 22:04:04 PM
good luck with the air test. They fly superb :af

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Charlie C
Posts: 3,538
Reply #93
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 24, 2011, 22:05:15 PM
Quote from: pylon on March 24, 2011, 22:04:04 PM
good luck with the air test. They fly superb :af

 :af :af :af

Cheers Rich

CC

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nmacwarbirds
Posts: 1,546
Reply #94
Offline nmacwarbirds wrote Re: Top Flite P51 Mustang Build on March 24, 2011, 22:53:23 PM
Well done Charles, my favourite Mustang scheme.
The Mustang looks very nice indeed, good luck withe the maiden.

Regards Phil G.

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p51p47
Posts: 11,630
Reply #95
Offline p51p47 wrote Re: Top Flite P51 Mustang Build on March 24, 2011, 23:45:53 PM
Good luck Charlie :af

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alanh
Posts: 611
Reply #96
Offline alanh wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 06:23:04 AM
Hope the maiden goes well  :af

Alan

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Charlie R
Posts: 341
Reply #97
Offline Charlie R wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 09:01:24 AM
Great stuff Charlie.

That looks ace :af

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stueysheep
Posts: 16,361
Reply #98
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 09:27:20 AM
Weather looks very "Mustang Maiden" shaped for Monday eveing.

And it won't be getting dark until around 7-30 pm either....  :)

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Charlie C
Posts: 3,538
Reply #99
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 10:12:05 AM
Cheers Guys,

Looking forward to Monday evening.

I think  :-X :-X

Charlie C

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stueysheep
Posts: 16,361
Reply #100
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 10:12:35 AM
Quote from: Charlie C on March 25, 2011, 10:12:05 AM
Cheers Guys,

Looking forward to Monday evening.

I think  :-X :-X

Charlie C

What time Charlie?

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Charlie C
Posts: 3,538
Reply #101
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 10:14:12 AM
Quote from: stueysheep on March 25, 2011, 10:12:35 AM
What time Charlie?

Don't know yet.

Pick a time that suits ewe.

CC

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Manaconda69
Posts: 178
Reply #102
Offline Manaconda69 wrote Re: Top Flite P51 Mustang Build on March 25, 2011, 23:21:26 PM
That is beautiful. I think I might just get me one. Good luck with the maiden.

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thescaleman
Posts: 2,044
Reply #103
Offline thescaleman wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 10:32:46 AM
flight report?............... :''

having a break from the vampire and on this one again........so be posting something soon, hope u don't mind......will need some help with the zenoah installation...as i this is my first gasolin jobbie!..... ;D

cheers

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stueysheep
Posts: 16,361
Reply #104
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 10:49:35 AM
 :uk:

Think we are going after work later today...  I have been up early and working to get ahead!  :)

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Norfolk'n'Good
Posts: 6,446
Reply #105
Online Norfolk'n'Good wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 11:06:41 AM
Good luck with the maiden.  Make the most of the next couple of days it all goes pear shaped after that :(

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stueysheep
Posts: 16,361
Reply #106
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 11:17:43 AM
Quote from: Norfolk'n'Good on March 28, 2011, 11:06:41 AM
Good luck with the maiden.  Make the most of the next couple of days it all goes pear shaped after that :(

not for the weekend I hope.  :banghead:

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selleri
Posts: 4,406
Reply #107
Offline selleri wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 12:01:24 PM
Nice plane, good luck with the maiden, rock solid in approach with flaps, just don't make any handbrake turns like my mate!  :af

Eurovision kvöld







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stueysheep
Posts: 16,361
Reply #108
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:11:58 PM
Last Edit: March 28, 2011, 20:13:07 PM by stueysheep
You can cut the adrenaline with a knife...

Charlie R (white T Shirt) getting ready for the maiden, That;s Charlie C in the light blue....

<a href="http://www.youtube.com/watch?v=etFAO-Q3cXM" target="_blank">http://www.youtube.com/watch?v=etFAO-Q3cXM</a>


« Last Edit: March 28, 2011, 20:13:07 PM by stueysheep »
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Norfolk'n'Good
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Reply #109
Online Norfolk'n'Good wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:14:13 PM
And  $%&

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stueysheep
Posts: 16,361
Reply #110
Offline stueysheep wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:15:40 PM
Quote from: Norfolk'n'Good on March 28, 2011, 20:14:13 PM
And  $%&


....And there are 7 more videos detailing the outcomes being uploaded right now.....   :-X

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Norfolk'n'Good
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Reply #111
Online Norfolk'n'Good wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:17:59 PM
More than 12 seconds long I hope  ::)

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Manaconda69
Posts: 178
Reply #112
Offline Manaconda69 wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:23:51 PM
I dieing to see it!

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Charlie C
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Reply #113
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:30:01 PM

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alanh
Posts: 611
Reply #114
Offline alanh wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:32:27 PM
The suspense is killing me

Alan

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Norfolk'n'Good
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Reply #115
Online Norfolk'n'Good wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:35:11 PM
A 17 second taxi................. come on FFS!

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idigbo
Posts: 4,266
Reply #116
Online idigbo wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:42:08 PM
 :banghead: Is there a reason for the multiple 12 second vids?? (I'm guessing thats what the other 7 are :banghead: :banghead:)

Ian.

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Mudders
Posts: 4,592
Reply #117
Online Mudders wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:46:34 PM
Apparently....

Patience is a virtue,












Especially when loading a vid to youtube, hey Stu  ;D ;D

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Charlie C
Posts: 3,538
Reply #118
Offline Charlie C wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 20:52:15 PM
In the meantime,,,,

I'll bore you all with the details.

I asked CharlieR to do the initial airtest. I did this because I absolutely hate doing my own, don't know why, I just do. I have done them for other people when asked with no dramas so it must be me.

Anyway, Charlie R took her up and just needed a few bleeps of trim to sort it out. Initially it flew tail down, but once trimmed she sits just fine.
The undercarriage has stayed down. Everything works fine on the bench, but at the field there is a slow leak and being as they are air up and down, I decided rather that chance a wheels up, we might as well leave them down and locked.
Stall, rolls and general handling have been pronounced fit for my trembling fingers so after about 8 minutes in she comes for a greaser on full flap.
Strange. This is the first model I have owned where no elevator trim is needed with flap.

Smiles all round then.

Now my turn. I pulled the wing off and had a gander inside, just in case something had come loose, which it hadn't. tweaked a few air supply hoses and things, just in case. Nope, still leaking. I think I know what the problem is, but I'll have a look tomorrow.

Fuel up, start up, shut up and fly it time.

Coooooo, not an anti climax, but a really pleasant feeling to find it soooooo nice to fly. It doesn't do anything nasty and seems to handle really well. I did get the tail down attitude once airborne, but I know that it was my mishandling not the model and as soon as I realised, I backed off the elevator and all was fine.

I was a bit worried about landing a big heavy model, but it came in really nice and solid on full flap. OK, I bounced it and knocked a leg fairing off  :embarassed: :embarassed:, but if that's as bad as it gets, I'm happy with that.

Speaking of happy. Am I ????

Oh yes, extremely happy, still grinning in fact.

The only query I have to ask of you all, is:  I'm getting 6200 rpm from the Z38 with a 20X10 menz Prop. It seems to pull well enough, but, should I be looking for more, or is that prop and RPM Ok.

Thanks to Charlie R, Mudders, and Stueysheep  for all their help, and of course you guys on the forum for your help and advice. Its really appreciated.

Stuey will be along soon with more piccies.

Charlie C


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idigbo
Posts: 4,266
Reply #119
Online idigbo wrote Re: Top Flite P51 Mustang Build on March 28, 2011, 21:04:12 PM
Great news Mr C :af :af

Ref. the revs. I doubt you'll get any more since the prop is at the larger end for a Z38, a 19 x 10 on this style of model is recommended, but if it goes well enough it should be quieter on the 20 x 10 so I'd leave it as is :af

Ian.

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