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Author Topic: 60 span 51 size P-51 Mustang .  (Read 27377 times)

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Re: 60 span 51 size P-51 Mustang .
« Reply #50 on: June 29, 2016, 09:12:13 AM »
Showing the wings fairly long . The cellphone pictures arnt shithot when its snowing . Fri Night Actually .
Jigged level , off for a few days , so untouched . Relieved four days later it hadnt been in a earthquake or tidal wave .
Sitting just as I left it .
The Gnawing anxiety was needless .
« Last Edit: October 30, 2016, 09:17:30 AM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #51 on: June 29, 2016, 09:14:21 AM »
All Masked Up to keep the EPOXY out of where it shouldnt . Acetone to KEEP it OFF the Fingers , repeatedly along the way .
« Last Edit: October 30, 2016, 09:14:33 AM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #52 on: June 29, 2016, 09:20:29 AM »
Elevators are just sitting there , theyll go on after covering . Horn'll Get Epoxied to Tailplane First . Pushrods'r in on the Flap Horns , Bind & Epoxy to the Pushrod LATER . Elv Pushrods secued now, and soldered to its horn ,
wouldnt be able to with the Tailplane Fixed . Wot its doing NOW . Curing . Despite the snow, we hope . British Aerospace Biscuit Tins to maintain alignment .

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Re: 60 span 51 size P-51 Mustang .
« Reply #53 on: June 29, 2016, 09:24:15 AM »
off cut of my ply moulding experiments , so as rubber bands dont mar the finish . U/C legs hold the swine dead level , laterally . Packer under rear fuse just taking up the nip . All Squareness severally checked -
untill the natural sit is exactly in alignment . BEFORE mixing the glue .

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Re: 60 span 51 size P-51 Mustang .
« Reply #54 on: June 30, 2016, 07:32:21 AM »
View Showing the cunning leading edge droop . Or Rise from  below center to symetrical a few bays out . . ( its just sitting together there - Its Not REALLY crocked atr the tailplane ) .

« Last Edit: October 30, 2016, 09:13:49 AM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #55 on: July 04, 2016, 09:31:04 PM »
More atempts at artistic evocative photography . !

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Re: 60 span 51 size P-51 Mustang .
« Reply #56 on: July 04, 2016, 09:33:40 PM »
We'll skip the rest !.  :-X

The Foam car wash things can be usefull , if you dont gettem mixed up with your used ones .  :-\
« Last Edit: October 30, 2016, 09:12:14 AM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #57 on: July 04, 2016, 09:42:57 PM »
RIGHT , where were we . EPOXYING the brass thingos ( tounges ? ) over the Brass Bushes in the Elevator Horns , ditto the Flap Pushrods to the
C/F ( main ) Pushrod .

Just lightly ( for me ) glued here . When kicked off itll be bound & Epoxied . TECHNICALLY if you BUILT IT STRAIGHT , just a trim tab would be enough adjustment . So 1/8 Piano wire ( next time ) Horns wouldnt need heat treating to soften . Thoroughly checked aligned neutral before affixing control surfaces tho.

Will get the Rudder on ( a Airfoiled set up , Compostella Airfoil ) Floor the Radiator duct - F'Glass resin its internals , the canopy & dorsal fairings ,
A Few Fillets & the cowl hard edges , The Fuel Filler pipes ( did I say one or two things ? ) and can cover . Finalise rear of cowl , too .

 H^^ should have that finished by smoko .  LL~
« Last Edit: July 05, 2016, 07:01:40 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #58 on: July 05, 2016, 06:48:20 PM »
MEANWHILE ; Back at the Grindstone . !

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Re: 60 span 51 size P-51 Mustang .
« Reply #59 on: July 05, 2016, 06:51:20 PM »
1/32 ply diaphram / fuse brace/ Roof or Duct .test fit . Used epoxy on the front ply sides & horn tubes , pva to balsa bulkhead & sides aft .
« Last Edit: July 05, 2016, 09:32:23 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #60 on: July 05, 2016, 06:52:37 PM »
Bound & epoxied . Used some fancy new fishingline , Green or tecnicolour ( free )
« Last Edit: July 05, 2016, 09:09:10 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #61 on: July 05, 2016, 06:53:49 PM »
Engine Bay / Tank Compartment . resembling a porcupine .
 WHAT is the Differance between a Porsche and a Porcupine ?? the pricks are on the outside on a porcupine .
« Last Edit: July 05, 2016, 09:35:18 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #62 on: July 05, 2016, 06:54:53 PM »
Debated wether epoxy or PVA for the Fin to fuse. Settled for Epoxy . Hard Post bonds into Ply Doublers .
« Last Edit: July 05, 2016, 09:10:23 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #63 on: July 05, 2016, 06:56:26 PM »
THUS . Rudders supposed to be thinner above the fuse , Centerlines lined up & vertical , so will getFine Tooned in the width department & Fairings .
Not Likely to get fillets , here or at the wing. Would look GROT under a tissue Finish ( No Paint . unless you struck it spot on . I suppose thats a
Challenge . :(

Useing a Airfoiled Fin / rudder , I believe if you get these right , Greater Load increases the tension when required . And in a Hard Corner -
its Slicing INTO the air , on Outboard square corners . when required.
and out of the air ,        on inboard square corners , when not so required .

With say a 3/32 L.E. Rad , on the centerline , Post symetrical on centerline , and outboard side FLAT behind the L.E. rad , you get a reasonable airfoil.
Compostellas TANGO plan has a Apporopriate section , as its the scheme he has Used .

Besides , Id want a inboard ( internal ) mech. if I fitted als rudder . A sliding ( fore & aft ) horizontal plate with a groove for a downturned End
on a wire Fwd. from the rudder would give customiseable offset . IF YOU HAD A ACCES HATCH , to change rudder ' cam plates ' .

Not Unlike a Triump E.T. camplate in the 4 / 5 speed . but linear & one curve . A stick wire down from the elevator horn would shift it fore & aft .
« Last Edit: July 05, 2016, 09:20:35 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #64 on: July 05, 2016, 06:58:37 PM »
We'll pass this off as modern art. If you can figure out what it is , let me know . ( I figure the camera went of accidently ) ( once or twice  :-X)

this da*# computor Corrests your ENGLISH spelling , if its not American .

Quote
The European Commission has announced an agreement whereby English will be the official language of the EU, rather than German, which was the other contender. Her Majesty's Government conceded that English spelling had room for improvement and has therefore accepted a five-year phasing in of "Euro-English".

In the first year, "s" will replace the soft "c". Sertainly, this will make sivil servants jump for joy. The hard "c" will be dropped in favour of the "k", Which should klear up some konfusion and allow one key less on keyboards.

There will be growing publik enthusiasm in the sekond year, when the troublesome "ph" will be replaced with "f", making words like "fotograf" 20% shorter.

In the third year, publik akseptanse of the new spelling kan be expekted to reach the stage where more komplikated changes are possible. Governments will enkourage the removal of double letters which have always ben a deterent to akurate speling. Also, al wil agre that the horible mes of the silent "e" is disgrasful.

By the fourth yer, peopl wil be reseptiv to steps such as replasing "th" with "z" and "w" with "v".

During ze fifz yer, ze unesesary "o" kan be dropd from vords kontaining "ou" and similar changes vud of kors be aplid to ozer kombinations of leters. After zis fifz yer, ve vil hav a reli sensibl riten styl. Zer vil be no mor trubls or difikultis and everivun vil find it ezi to understand ech ozer. ZE DREM VIL FINALI COM TRU!

Herr Schmidt
« Last Edit: July 05, 2016, 09:37:19 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #65 on: July 05, 2016, 07:00:55 PM »
In the Untidy States now , but roamed N.Z. in my pre school days , Civil P-51 paint scheme - You can see the Rad. is a bit blousier than the Race one.

« Last Edit: July 05, 2016, 09:38:56 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #66 on: July 07, 2016, 06:38:25 PM »
Latest burning of the midnight oil , just a general view , of the ' too doo ' , Cowl , root fairings , and canopy / strake .

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Re: 60 span 51 size P-51 Mustang .
« Reply #67 on: July 07, 2016, 06:41:20 PM »
Therudder missing . Fate seems it shouldnt be there yet . Got it nicely faired in , then the PVA let go ( still damp .) Just as well .

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Re: 60 span 51 size P-51 Mustang .
« Reply #68 on: July 07, 2016, 06:43:04 PM »
The Aiming Point .

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Re: 60 span 51 size P-51 Mustang .
« Reply #69 on: July 07, 2016, 06:48:26 PM »
Inside the Duct , from the front .

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Re: 60 span 51 size P-51 Mustang .
« Reply #70 on: July 07, 2016, 06:54:34 PM »
Fairings to Roots will go aft to hide the width differance as the doghouse is narrower than the fuse , as Ive done it .

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Re: 60 span 51 size P-51 Mustang .
« Reply #71 on: July 07, 2016, 06:59:41 PM »
Coated the insides with ' finishing epoxy ' over a few coats of dope , and taped down to fix in place . Bit of detail aft to finish there .
Sides sanded in flush as required - but a little filler needed along join aft of fillet fairings .

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Re: 60 span 51 size P-51 Mustang .
« Reply #72 on: July 18, 2016, 06:24:30 PM »
The THING .

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Re: 60 span 51 size P-51 Mustang .
« Reply #73 on: July 18, 2016, 06:26:15 PM »
Elevator root Fairings .

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Re: 60 span 51 size P-51 Mustang .
« Reply #74 on: July 18, 2016, 06:29:33 PM »
Flap root Fairings .Built up 3/32 & 2 mm sheet . Sand a bit of a curve in . Gotta the Micro Ballons , so'll get smoothed into the fuse , microscopically ! .


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Re: 60 span 51 size P-51 Mustang .
« Reply #75 on: July 18, 2016, 06:31:27 PM »
Nailing IT down .

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Re: 60 span 51 size P-51 Mustang .
« Reply #76 on: July 18, 2016, 06:36:35 PM »
Just the !*^#- COWL to Finish , & the little strakes to the L.E. for the Fillets to fix to & fair into the Cowl . AND the Air Vents / Baffle / fastener .
Then 5.000 years of sanding, Im Told . Got three cans of Goldberg spray , 2 silver , 1 red . El Cheapo - runout . STILL Dunno if itll get ' the paint treatment ' . Still Prefer Tissue Trim . New Scalple Blade & cut a few stripes & numbers . Besides - if a bay gets split - painted . Its el finito. >:( :(

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Re: 60 span 51 size P-51 Mustang .
« Reply #77 on: July 30, 2016, 09:52:52 AM »
2/10th of 5/8th of stuff all done , but w t h ,  make a mould for the lower cowl rear & Laminate ply , Drilled Alumn outlets , rear inner doghouse duct fairings , and one or two wheel bits , maybe .

This is so the Fillets ( gotta some microballons ) can be something like continuous , sides therell be trimmed curved maybe . Following it .


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Re: 60 span 51 size P-51 Mustang .
« Reply #78 on: July 30, 2016, 09:55:13 AM »
Wunderbah .

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Re: 60 span 51 size P-51 Mustang .
« Reply #79 on: August 18, 2016, 06:28:23 PM »
MEANWHILE , back at the Grindstone , . . .

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Re: 60 span 51 size P-51 Mustang .
« Reply #80 on: August 18, 2016, 06:31:41 PM »
Fuselage  is Two Layers of medium silkspan . Sprayed the whole kaboodle with dope / talc , Fuse aint sanded yet there . Wings Are Modelspan ? blitish Tissue .

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Re: 60 span 51 size P-51 Mustang .
« Reply #81 on: August 18, 2016, 06:36:19 PM »
Weight Bare there , No Spinner - is 37 1/2 with the cowl , So Has picked up naff all , Sanded as much as I dared . Cant Stand wobbley leading edges over the ribs ,
so didnt get to carried away . Mainly flatting off and dressing in lumps / irregularities . Cool Here , suns only reliable middle of the day up here just now . Sundown
and the condensation level immediatly gets condensatey .  >:(

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Re: 60 span 51 size P-51 Mustang .
« Reply #82 on: August 18, 2016, 06:45:43 PM »
As the spray bottle packed up , I did the tissue ' DAMP ' with a sponge - on the bench , semi pre cut to size . Bottled water as I had some , in a bowl . Inside UP .

Thin Dope to adhere . When Dry used that ( not THAT thin  ;) ) on the open bays , but left edges undone , so it wouldnt eeak thru .
Stern Contemplations  :P had the Gallon Tin out ( carefully ) and unthinned brushed on the whole open bay & over the edges , next .

The Theory is the thicker dope dosnt go thru the tissue , forming gobs & runs under it , or SEAMS down the cap strip & Sheet Edges ,
WHEREBY it'd pull the tisue down there as it drys/ shrinks , causing lines & whelts in the surface . So they tell me ( MAGAZINES ) .

Seems to be smooth so far . Two Unthinned coats across the open bays . Next steps a few sprayed . Think I will leave out the Talc Coat later ,  :-\

REACH for the SKY . ;D H^^

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Re: 60 span 51 size P-51 Mustang .
« Reply #83 on: August 18, 2016, 06:53:34 PM »
One More in the name of ART .  S?P


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Re: 60 span 51 size P-51 Mustang .
« Reply #84 on: September 22, 2016, 09:55:13 PM »
Whittling away at the chores , something like patiantly. At Times.  ;D

Last Nights efforts . These are 3/8 dia. aluminum .(  >:( it says 5 or 7 grammes ) need the rear face dressing flat , with the pipes drooped down .


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Re: 60 span 51 size P-51 Mustang .
« Reply #85 on: September 22, 2016, 09:57:14 PM »
Opened Up the Rad / Doghouse , as the undersided gone concave , there .




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Re: 60 span 51 size P-51 Mustang .
« Reply #86 on: September 22, 2016, 10:00:20 PM »
Gave us a chance to sand it a little more , and get another coat of resin in there .

Closed Up , picture this morning . Outlet weighs about 7 grammes . Bit more dirable than timber , and less fuss , though .  ;D

« Last Edit: October 30, 2016, 09:05:26 AM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #87 on: September 22, 2016, 10:02:19 PM »
FINALLY got the fillets on a few days back , epoxy / microballons .

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Re: 60 span 51 size P-51 Mustang .
« Reply #88 on: September 22, 2016, 10:07:25 PM »
AHA , thhhhheres the Change of X section IN the duct . Thus the Air Out is a differant configuration to the Air In .

Thus the wake is not as the airflow , so can act as stabiliseation to a degree . thats the theory anyway , lacking a tuned pipe
or Ex Extn to throw that out there and pretend its spray bar rad. coolant !  LL~

Flap Horn posn Just Discernable in there at the T E . ( wgere else  VD~)

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Re: 60 span 51 size P-51 Mustang .
« Reply #89 on: September 22, 2016, 10:11:54 PM »
Rear of Cowl area , gotta dothe rear of the cowl , yet , actually .  >:(

But thisis how it fairs in and where itll fit , We Hope .  ;D LL~

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Re: 60 span 51 size P-51 Mustang .
« Reply #90 on: September 22, 2016, 10:13:46 PM »
Plan View .


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Re: 60 span 51 size P-51 Mustang .
« Reply #91 on: September 22, 2016, 10:15:58 PM »
Other Way, Im Just Standing on the Fence. or Stone Wall .  :##

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Re: 60 span 51 size P-51 Mustang .
« Reply #92 on: September 22, 2016, 10:17:57 PM »
Down Under , or under upper , um . Top view of Bottom .  :-\


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Re: 60 span 51 size P-51 Mustang .
« Reply #93 on: September 22, 2016, 10:19:26 PM »
Avei Verderchi .

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Re: 60 span 51 size P-51 Mustang .
« Reply #94 on: September 22, 2016, 10:21:18 PM »
Side rear aft under.

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Re: 60 span 51 size P-51 Mustang .
« Reply #95 on: September 23, 2016, 08:29:05 AM »
On the Nose .

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Re: 60 span 51 size P-51 Mustang .
« Reply #96 on: October 20, 2016, 06:17:40 PM »
Fish & Chips ? .

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Re: 60 span 51 size P-51 Mustang .
« Reply #97 on: October 20, 2016, 06:20:49 PM »
Half the news wrapped there , Dont believe anything you read in the Newspapers , least 90 % of what you believe is Lies . a Better use here ! . ;)
« Last Edit: October 22, 2016, 07:43:03 PM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #98 on: October 22, 2016, 07:44:26 PM »
 :-\

red tissue stripes , thinner then thinned dope . fins 12 mm Stab 15 odd wide strips .
« Last Edit: October 30, 2016, 09:08:30 AM by Matt Spencer »

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Re: 60 span 51 size P-51 Mustang .
« Reply #99 on: October 22, 2016, 07:49:30 PM »
Actually made the jump to resemble the real thing , now . Makes the abscence of the fuselage numbers and nomenclature conspicuous.  >:(

Rear Cowl , Tank & fittings , Lower Gear & gear doors , and Er the Tailwheel assy , to go .  >:( Al Rabes Video shows him putting in the
tail wheel mount AFTER completeing the fuselage  ;D , which I think is a good idea . At this stage of the proceedings , at least .  LL~ .


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