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Dom Smith F7F-3 Tigercat

60"

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Martian12/10/2020 16:20:01
2657 forum posts
1270 photos

not exactly steaming ahead but one half of the fuselage is planked as far as possible this includes half of the fin. it is now a mutant turtle in a half shell. the half has been fitted with a number of support pegs matched in length with a simple jig and lifted of the board following pics of progress.

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simple peg jig

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Edited By Martian on 12/10/2020 16:21:36

Chris Walby12/10/2020 16:26:24
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1393 forum posts
348 photos

Looking good there Martian, just wish I could build that fast and well. Will be really interesting how you deal with kitting it out and then joining the two halves or will that come post wing build?

Martian12/10/2020 16:37:51
2657 forum posts
1270 photos

Thanks, Chris. I have to work out the position of rudder and elevator servos before placing mid fus formers am also deviating from two servos for the tailplane in favor of a single servo a the midsection of fus .now for some thinking

Chris Walby12/10/2020 16:43:12
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1393 forum posts
348 photos

Not far off the DH Mosquito production technique, build both fuselage halves, kit out and then assemble. Sounds so easy...wink

Martian12/10/2020 17:50:09
2657 forum posts
1270 photos

Yes be part of the people's mosquito we could learn a lot from that rebuild

Martian17/10/2020 20:52:44
2657 forum posts
1270 photos

things are going slow at the moment the fuselage is flipped over having glued on the support pegs accurately cut to the same size and the whole half assembly glue on the board and checked several times for alignment at this stage it is very fragile hence building slowly only 7 formers to fit then the planking can begin on this side , above the wing mount crutches a hatch is formed then will be cutaway but before the that can happen servo position has to be thought through also placement of the rx. lipos and esc will be in the nacelles, I have bonded in a ribbon of carbon fibre along the inside of the fin leading edge as its a high fin there is a risk of breaking it and the tape weighs very little. a few pics

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McG 696917/10/2020 21:19:09
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3464 forum posts
1322 photos

... allow me to answer you the same as you did on my Dog's build thread...

"Good stuff, Martian".

But indeed it looks still a bit 'fragile' so far... indecision

Keep up the slow tempo at the moment, I'm doing exactly the same with my tricky bits. It's not a race anyway...

Cheers

Chris

Martian17/10/2020 22:03:08
2657 forum posts
1270 photos

Touche Chris , the side that is partially planked is stable i guess it's like building an egg it's a delicate process but when complete it should have the strength of an egg don't think I try crushing it though 😎

perttime18/10/2020 06:29:01
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212 forum posts
11 photos

It does, indeed, look like a construction where the strength is in the shell, once complete. What is the plan for covering? Glass it?

Hatches disrupt the continuity of the shell. Does it have/need any reinforcement around the hatches?

Martian18/10/2020 09:59:43
2657 forum posts
1270 photos

covering is a long way of i want a high gloss finish so it's possibly going to be glass. I'm evaluating the shell all the time and will sacrifice a bit of weight of it means better integrity.

Martian23/10/2020 19:45:42
2657 forum posts
1270 photos

I have been making steady progress but have now run into the China crisis unable to get any light or medium balsa and have very little of the size I need left for tailplane fuselage covering and wing covering I have plenty to make the wing ribs. Still leaves me plenty of time to work out the retracts and furnish the cockpit.

Eric Robson23/10/2020 21:03:10
459 forum posts
97 photos

Hi Martian, this balsa situation is a right pain I have the parts for a Brian Taylor Tempest and most of the balsa but I don't know if I have enough. I don't know if you are near to a Hobby Craft store you may be able to get some there I think they saw this coming as their prices were a lot higher than Slec and Balsa Cabin. Hope you are well

Eric.

Martian23/10/2020 21:37:22
2657 forum posts
1270 photos

Hi Eric first yes I'm well enough 😎 thanks.yes we have a Hobby craft store in town if they have any it will be four times the price according to their site , I'm going to ring Whitchurch models tomorrow see if they can help ,I could kick myself for not getting some earlier before the panic set in ah well .

Chris Walby24/10/2020 06:51:30
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1393 forum posts
348 photos

Thanks for the posts Martian, really good to see such speedy progress and interesting detail to solving problems during the build that I would have never thought of.

I know its frustrating with the balsa situation and as I don't need any at this time don't appreciate how long the delays actually are and as you say there are the wings to do. The U/C which again will be really interesting to see progress and more problem solving master class (IMO) and from experience things are never quite as easy as you initially think.

Keep the photos comming

Martian24/10/2020 10:30:02
2657 forum posts
1270 photos

Thanks Chris really appreciate your comments

Martian24/10/2020 20:26:29
2657 forum posts
1270 photos

some pics of the build so far, up to the point I'm putting the shell on the other side of the egg

Must remember to not close it up completely because some access will be needed

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Martian29/10/2020 18:45:49
2657 forum posts
1270 photos

A call to Martin of Whitchurch Models encouraged me to make a 56 mile round trip to pay a visit and restock my balsa pile he had plenty well did 😎 it's a bit less now but he assured me he has reserve stocks . Whitchurch models is an old style model shop with a huge stock of all things modelling Martin is a super chap who is a flier and builder himself of many years his shop serves in excess of 20 model clubs within a 2 hour drive and a member of Shawbury club and Sleap club . It was a real pleasure to visit mid in a sweet shop comes to mind. Anyway the Tiger is progressing I will pop some pics on later.

Martian29/10/2020 20:35:21
2657 forum posts
1270 photos

There is something quite magical about building a plane this way as I put on the planks the skin grows under your hands and the plane seems to grow out of the building board and I'm sanding it smooth it feels so graceful I'm really enjoying this build pis to date

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Eric Robson29/10/2020 21:50:21
459 forum posts
97 photos

Really taking shape now Martian, lovely sleek lines. I see what you mean about Hobby Craft £5 for a sheet of 3/32x4x36 . I used to live in what is now Telford and I was in a group , we used to play at RAF Shawbury, Do they still have a Vampire gate guardian there?. I also went to an air show at Sleap that was back in the 1960's

Martian29/10/2020 22:15:02
2657 forum posts
1270 photos

Thanks Eric I managed to get about £100 worth should be enough with what I have already. No no Vampire at the gate it's a helicopter now the type escapes me right now . The air show s at Sleep were fantastic at one a Vulcan did a display unforgettable ,also Weston Park air show with a Harrier did a display flattened the fencing , an memories I used to go to so many.What was your group ?

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