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#4515046 - 04/07/20 12:00 AM Re: Macchi M-5 [Re: Sandbagger]  
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Superb Mike! And right out of the box too.


Never approach a bull from the front, a horse from the rear or a fool from either end.
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#4515051 - 04/07/20 12:54 AM Re: Macchi M-5 [Re: Sandbagger]  
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Geez Mike, There is enough space to build a lounge between those two wings!!


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#4515083 - 04/07/20 09:21 AM Re: Macchi M-5 [Re: MFair]  
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Originally Posted by MFair
Superb Mike! And right out of the box too.


You know me Mark winkngrin

Rob:
Yeah it is a tad capacious but it will fill in a bit with rigging,

Mike


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#4515104 - 04/07/20 12:25 PM Re: Macchi M-5 [Re: Sandbagger]  
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Originally Posted by Sandbagger
Originally Posted by MFair
Superb Mike! And right out of the box too.


You know me Mark winkngrin

Rob:
Yeah it is a tad capacious but it will fill in a bit with rigging,

Mike


Makes me wonder why they designed the craft with such a high upper wing.


(System_Specs)
Case: Cooler Master Storm Trooper
Pwr Sup: OCZ, GameXStream,1000-Watt
MB: Asus Maximus VI Extreme
Mem: Corsair Vengeance (2x 8GB), PC3-12800, DDR3-1600MHz, Unbuffered
CPU: Intel i7-4770K, OC to 4.427Ghz
CPU Cooler: Cooler Master Seidon 240M Liquid CPU Cooler
Vid Card: ASUS GTX 980Ti STRIX 6GB
OS and Games on separate: Samsung 840 Series 250GB SSD
Monitor: Primary ASUS PG27AQ 4k; Secondary Samsung SyncMaster BX2450L
Periphs: MS Sidewinder FFB2 Pro, TrackIR 4

#4515117 - 04/07/20 01:50 PM Re: Macchi M-5 [Re: Sandbagger]  
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L'Etoile du Nord
.

Robert, my guess is the designers were attempting to minimize the air flow disruption and "burbling" over the horizontal stabilizer and elevator, (and to a lesser degree the vertical stab and rudder), that is caused when a pusher prop is sitting directly in front of those control surfaces. Just a thought. Of course, it could just be for prop clearance.

Mike, can't wait to see this little gem completed. Fine work as always Sir.

.

#4515372 - 04/08/20 07:47 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
The ‘Isotta Fraschini V4B’ six cylinder engine for the Macchi M.5 is more or less completed.
There are engine controls and pipes to add, but these can't be done until the engine is fitted to the model.
The only change I made was to replace the spark plugs and leads I'd made with I think better versions.
The plugs are 0.5 mm diameter tube with 'RB Motion' Aluminium nuts at the base. The HT leads are 0.2 mm diameter lead wire.

Mike

[Linked Image]

[Linked Image]

[Linked Image]

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz (liquid cooled)
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
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#4515393 - 04/08/20 11:07 PM Re: Macchi M-5 [Re: Sandbagger]  
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MFair Offline
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Looks like the real McCoy!


Never approach a bull from the front, a horse from the rear or a fool from either end.
BOC Member since....I can't remember!
#4515848 - 04/11/20 05:42 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
The kit illustration showing the rigging for the engine support 'Z' struts is wrong.
It shows correctly bracing rods fitted midway up the struts and routed across the fuselage between the front and rear struts of the two 'Z' struts.
What is not correct is that it shows a bracing rod fitted along the left and right sides of the 'Z' struts, spanning the front, centre and rear struts of each.
In reality a bracing rod was fitted across the fuselage between the rear struts, centre struts and front struts.

I've pre-rigged both 'Z' struts, which will be finally rigged once fitted to the fuselage,

Mike

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
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Two GTX 1080 Foundations in SLI (8 Gig each)
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#4516381 - 04/14/20 06:00 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
The engines bottom support frame is complete.
The rigging is 0.12 mm diameter mono-filament, with 0.5 mm tube and 'Gaspatch' 1:48th scale Type C turnbuckles.
The three bracing cross bars are 0.4 mm diameter tube, with twelve end brackets from twelve plates (item 43) from (‘PART’ photo-etch for Fokker Dr.1 -S32-023).
The bars have an ‘RB Motion’ Aluminium Nuts Hex 0.79mm (1281-A) at each end.

On this particular aircraft, the wind driven pressure pump for the fuel system was mounted on the centre cross bar.
I discard the kit supplied photo-etch item and made a pump from sprue and a propeller from the 'spares' box.

Next up is to fit the engine then add the various controls and pipes to the engine, including those from the cockpit and fuselage fuel tank.

Mike

[Linked Image]


[Linked Image]

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#4516399 - 04/14/20 08:09 PM Re: Macchi M-5 [Re: Sandbagger]  
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Mike, since you don’t know a garboard plank from a beakhead, what is the turn handled for? My dumb question for the day.


Never approach a bull from the front, a horse from the rear or a fool from either end.
BOC Member since....I can't remember!
#4516403 - 04/14/20 08:38 PM Re: Macchi M-5 [Re: Sandbagger]  
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Mark hahaha
The long planky bits at the bottom and the thingy that sticks out at the front.

I believe its for hand cranking the engine prior to start up (although my engine isn't fitted yet).

Mike

https://www.facebook.com/janusz.oginski.9/videos/1138808686458094/


[Linked Image]

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#4516406 - 04/14/20 09:09 PM Re: Macchi M-5 [Re: Sandbagger]  
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That’s what I thought. Like a model T!


Never approach a bull from the front, a horse from the rear or a fool from either end.
BOC Member since....I can't remember!
#4516689 - 04/16/20 02:33 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
Well just for a change ----

The lower engine support 'Z' struts support the radiator/engine cowl and the engine itself.
When I test fitted the lower 'Z' struts into the fuselage, I found they were leaning rearwards when in fact they should be perpendicular to the fuselage.
Therefore I 'tweaked' them to correct that.

A second pair of 'Z' struts are bolted to the front and rear struts and span up and forwards to attach to the underside of the upper wing, forming the central support structure.

[Linked Image]

[Linked Image]

I decided not to use the kit supplied upper ‘Z’ struts and replace them with struts created from micro-tube and rod, for the following reasons:
The photo-etch engine bearer plates and top of the lower engine ‘Z’ support struts have no locations for attaching the upper engine ’Z’ struts.
When test fitted into the location holes in the underside of the upper wing I found that the bottom of the struts on the two upper ‘Z’ struts were way too far rearwards and therefore not aligned with the tops of the lower ‘Z’ strut assembly, to which they should be attached (probably due to my correction of the lower 'Z' struts).
The actual upper ‘Z’ struts were made of three separate struts, not one combined assembly as provided with the kit parts.

To do this I drilled three 0.5 mm diameter holes through the lower 'Z' struts and the photo-etch engine bearer plates.
Then I created four support rods from 0.5 mm brass rod.
Finally I created four brass aerofoil sections that slid onto the support rods.
The upper wing now locates correctly onto the wing 'V' struts and the created brass struts.

Now I have to create the single struts that span between the top of the rear struts and the bottom of the front struts.

Remember - modelling is meant to be fun wink

Mike

[Linked Image]

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
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#4516694 - 04/16/20 02:57 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi Mike, I have a request for you to show a photo and explanation of how you maintain correct spacing between the wings while you apply the rigging and bracing. I always had difficulty maintaining stability while working in this area.

Thanks in advance mate!

Last edited by Robert_Wiggins; 04/16/20 02:58 PM.

(System_Specs)
Case: Cooler Master Storm Trooper
Pwr Sup: OCZ, GameXStream,1000-Watt
MB: Asus Maximus VI Extreme
Mem: Corsair Vengeance (2x 8GB), PC3-12800, DDR3-1600MHz, Unbuffered
CPU: Intel i7-4770K, OC to 4.427Ghz
CPU Cooler: Cooler Master Seidon 240M Liquid CPU Cooler
Vid Card: ASUS GTX 980Ti STRIX 6GB
OS and Games on separate: Samsung 840 Series 250GB SSD
Monitor: Primary ASUS PG27AQ 4k; Secondary Samsung SyncMaster BX2450L
Periphs: MS Sidewinder FFB2 Pro, TrackIR 4

#4516734 - 04/16/20 06:03 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi Rob,
Yes rigging is the one thing I think that puts modellers off these types of aircraft.
I'm not sure it's a complicated enough process to warrant a photo as I do what most do when rigging.
Obviously the struts and wings need to be test fitted to ensure the wings are correctly aligned to each other and the fuselage, especially when viewed from the sides and above.
All inter wing rigging is then pre-rigged to the wings and fuselage, as required.
The wings are then joined via the struts and once the adhesive has set the assembly should be fairly stable.
That stage should, if the kit is correct, give you correctly spaced wings and at the correct angles.
However, as with Wingnut Wings kits everything is to scale so struts can be fairly flimsy, which does allow for some movement of the wings.
I normally start rigging wing those lines that can reduce any movement of the wings, although that's always possible, depending on the rigging of that particular aircraft.
Using mono-filament (fishing line) for the rigging means that once complete, any lines that are slack can be tightened with heat.
The end result should be a structurally rigid model with little, if any movement.

If I remember I'll post some shots of the Macchi during the rigging phase,

Mike


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#4516738 - 04/16/20 06:16 PM Re: Macchi M-5 [Re: Sandbagger]  
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Thanks Mike.


(System_Specs)
Case: Cooler Master Storm Trooper
Pwr Sup: OCZ, GameXStream,1000-Watt
MB: Asus Maximus VI Extreme
Mem: Corsair Vengeance (2x 8GB), PC3-12800, DDR3-1600MHz, Unbuffered
CPU: Intel i7-4770K, OC to 4.427Ghz
CPU Cooler: Cooler Master Seidon 240M Liquid CPU Cooler
Vid Card: ASUS GTX 980Ti STRIX 6GB
OS and Games on separate: Samsung 840 Series 250GB SSD
Monitor: Primary ASUS PG27AQ 4k; Secondary Samsung SyncMaster BX2450L
Periphs: MS Sidewinder FFB2 Pro, TrackIR 4

#4516755 - 04/16/20 07:56 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
I made the cross struts in the same manner but the locating rods for these struts were soft soldered for strength.
A 0.5 mm diameter hole needs to be drilled into the underside of the upper to locate the top of the struts,

Mike

[Linked Image]


[Linked Image]

Alienware Aurora R5
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#4516932 - 04/17/20 04:42 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
I've added radiator cowl support struts (0.5 mm diameter Nickel-Silver tube).
Also the air pressurisation pipe (for fuel tank) between wind driven pump and the fuselage fuel tank. Made from 'PlusModel' 0.3 mm lead wire.

Now to do are:

The auxiliary pipe between the fuselage and the intake manifolds.
The throttle control rod from the cockpit to the two carburettors.
The fuel supply pipe between the fuselage fuel tank and pipe between the engine carburettors.
Oil pressure pipe between the engine and the cockpit gauge.
Magneto wiring from cockpit starter magneto to engine.

Mike

[Linked Image]

[Linked Image]

[Linked Image]

Last edited by Sandbagger; 04/22/20 07:52 AM.

[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
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Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
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#4517119 - 04/18/20 09:25 PM Re: Macchi M-5 [Re: Sandbagger]  
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Hi all,
I've attempted to represent the various controls from the cockpit to the engine.
Given the limitations of the model (especially after so many alterations) and a lack of information, some 'poetic license' was employed.

The auxiliary pipe from between the fuel the intake manifolds (0.5 mm Nickel-Silver tube with 0.8 mm brass tube connection).
The throttle control rod from the cockpit to the two carburettors (0.2 mm Nickel-Silver rod - throttle lever and support from 'spare' photo-etch).
The fuel supply pipe from the fuselage fuel tank to pipe between the engine carburettors (0.5 mm Nickel-Silver tube with 0.8 and 1.0 mm brass tube connection).
Oil pressure pipe from cockpit exit to engine (‘Model Factory Hire' (MFH) 0.4 mm black tube).
Cockpit starter Magneto wiring from cockpit exit to engine magnetos (‘Model Factory Hire' (MFH) 0.4 mm black tube).

Now it's onto prepping the rigging before the upper wing is fitted,

Mike

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz (liquid cooled)
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4517124 - 04/18/20 10:17 PM Re: Macchi M-5 [Re: Sandbagger]  
Joined: Jun 2012
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It's been a long haul for you Mike, but you can see the light at the end of the tunnel by now!

The engine looks really fine and the weathering on it is excellent!

Best Regards


(System_Specs)
Case: Cooler Master Storm Trooper
Pwr Sup: OCZ, GameXStream,1000-Watt
MB: Asus Maximus VI Extreme
Mem: Corsair Vengeance (2x 8GB), PC3-12800, DDR3-1600MHz, Unbuffered
CPU: Intel i7-4770K, OC to 4.427Ghz
CPU Cooler: Cooler Master Seidon 240M Liquid CPU Cooler
Vid Card: ASUS GTX 980Ti STRIX 6GB
OS and Games on separate: Samsung 840 Series 250GB SSD
Monitor: Primary ASUS PG27AQ 4k; Secondary Samsung SyncMaster BX2450L
Periphs: MS Sidewinder FFB2 Pro, TrackIR 4

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