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RE: top flite spitfire build - 9/23/2010 7:33 PM   
ForcesR


 

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From: Ottawa, ON, CANADA
Status: offline 		Cristian, how is the covering job coming along? May I assume you will be using Monokote flat color covering? I just noticed in the photo of your Spitfire on the W&B machine that you do not have the wing oil coolers included in total weight of the Spitfire to date. Will you be adding the coolers to the wings after covering the plane?

Roger

< Message edited by ForcesR -- 9/24/2010 10:03 PM >

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RE: top flite spitfire build - 9/24/2010 10:10 PM   
cvial



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From: santiago, CHILE
Status: offline 		Hi Roger.

The covering is going really slow, just the rudder and the stabs, and still learning. Last week was a holydays one because of chile`s bicentenario (200 independence years), and also I didnt land so well in my last ride in my MX bike , having 2 hobbies is a difficult task, but I cant help it!

I will continue working in the spit of course but with one and a half hand it will take some time before a real progress.

How is your build going? did you solve finally the dihedral problem?


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RE: top flite spitfire build - 9/24/2010 10:52 PM   
ForcesR


 

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Status: offline 		Hi Cristian; sorry to hear you are injured, you have to be more careful when having fun; remember you have to finish the Spitty, your flying season in your part of the hemisphere is approaching fast.

I did change the wing dihedral from 4 degrees to the 6 degrees that the full size Spitfire has. I fabricated a new 6 degree dihedral gauge and new 6 degree forward and aft wing jointers. I know this modification will give the landing gear a more splayed stance similar to the H9 Spitfire but I can live with that.

I test fitted the wings with the built in 6 degrees of dihedral to the center section last night and they align perfectly. The TF Spitfire build is coming together quite nicely, at this pace I may have to find something else to do during the winter months. My Robart 605's should be arriving today so I can continue with completing the wings. I sure do enjoy building this Spitfire!!

Cristian; take care and allow your hand to mend properly, then get back to work finishing your Spitfire....Lol.

Roger


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RE: top flite spitfire build - 9/25/2010 8:54 PM   
cvial



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Status: offline 		Hi Roger, good to hear that your spit is coming out so nice, those 6 degress will look surely great in those low altitud passes! And dont worry for the winter, there are plenty of models to build , have you decided what type of covering you are going to use?

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RE: top flite spitfire build - 9/27/2010 3:59 PM   
ForcesR


 

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quote:

ORIGINAL: cvial

Hi Roger, good to hear that your spit is coming out so nice, those 6 degress will look surely great in those low altitud passes! And dont worry for the winter, there are plenty of models to build , have you decided what type of covering you are going to use?


Good day Cristian, I will be covering the Spitfire with Monokote flat Olive Drab and flat Dove Grey. I only wish Monokote produced a darker grey like sea grey or polar grey. I find the Dove grey is just a little to light in color for an authentic camouflage look. Another thing I wish is that TF would of made the Spitfire kit with a wing span of between 72 and 80 inches, but heck that is just wishful thinking.
My Robart 605 retracks came in Friday, I was surprised to see that with the 3/16 wire legs they have are rated  for aircraft that weight 6 to 12lbs. I was expecting them to be rated for 5 to 10lbs. As soon as I have the retracks installed I will take a picture so all can see how much splay the LG has with the 6 degrees of dihedral that I added to the wing.

Roger

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RE: top flite spitfire build - 6/30/2011 1:12 AM   
cvial



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From: santiago, CHILE
Status: offline 		Hi, here is the covering job so far, I have all the control surfaces glassed and with the first coat of epoxy, It took a long time since is my first attempt with fiberglass covering.I got a lot better results than the monokote. I am using foam painting rolls (thats how they are called? ) so the coats of epoxy are really thin and smoth, but you need a lot of them, I have only managed to save 2 so far to use them again.
I applied the second coat of epoxy in one of the elevators and use some green putty to even the surface, then final sanded it to see the results. I am planning to follow this metod with the rest of the covering.
I have also glassed the bottom of the wing, got one big problem as one of the wing panels broke when I was using the roll (these wing surfaces are really thin!). After a minute of despair and crazy ideas, I ended up cutting that portion of glass so I can repair the surface and then glass that part again.
I will start with the top of the wing this weekend and hope that I dont get into more problems with the surface.

Cristian



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RE: top flite spitfire build - 7/6/2011 1:48 PM   
prgonzalez



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Status: offline 		Cristian,

What is that gray material you have in the elevators and rudder?

Pedro

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RE: top flite spitfire build - 7/6/2011 2:54 PM   
cvial



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Status: offline 		Hi Pedro.
Thats monokote, I couldnt use fiberglass in those areas because there is no skin there, and the fiberglass tended to bugle between the ribs.
How is your covering going on? Have you finished your wing?, great job on those alerons by the way.

Cristian

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RE: top flite spitfire build - 7/6/2011 6:35 PM   
prgonzalez



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Status: offline 		Thanks about the ailerons. I think that I will follow your path with the elevators and rudder by covering them with monokote and then painting over. The other option was going back and sheeting them with 1/16 balsa, but that will be extra work and time.

Yes, I did finish the wing. I also have ailerons and flaps done and fitted. However, I placed the wings on a shelf to start working on the fuselage and they fall down during the night. One tip of the wing had a big dent that I need a fix. No big deal though. I already removed a small piece of FG, applied filler, and sanded again to shape. I just need to re-apply a small piece of FG and it will be done.

Anyways, I have the top side of the fuselage ready for sheeting. After a second thought, I will use paint from warbirdcolors for my model. The budget is about $70.00. Not so much difference in price from using rattle can spray paint that does not have a lot of coverage. I need to finish the whole plane before making my final purchase.

Pedro

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RE: top flite spitfire build - 7/7/2011 4:10 AM   
cvial



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From: santiago, CHILE
Status: offline 		Sorry to hear about the accident with the wing, I hope you get it fixed soon.
What kind of paint is that from warbirdcolors? I heard that lustrekote was some kind of epoxy paint, I dont know if thats the best combination between fuelproofing and weight.

Cristian

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RE: top flite spitfire build - 7/7/2011 2:17 PM   
prgonzalez



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Status: offline 		Lustrekote is lacquer paint. It should cure into a hard shell like car paint. It is resistant to glow fuel but not to other solvents.

look at warbirdcolors for the paint I am talking about. Lustrekote does not have colors available for the spitfire. The clear flat is available and can serve as fuel proofing if other paints are used. Warbirdcolors paint is already fuel proof up to 15% nitro. So, no problem for me.

There is another paint that is epoxy paint and more heavy. But that's not lustrekote or warbirdcolors.

Pedro

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RE: top flite spitfire build - 7/7/2011 6:29 PM   
Chad Veich



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Status: offline 		Klass Kote is the epoxy paint.

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RE: top flite spitfire build - 7/12/2011 2:09 PM   
ForcesR


 

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Status: offline 		Pedro and Cristian; sorry for taking so long to make a progress post. I thought I had a close color match with the flat Olive Drab and Tan Monokote but when the paint dried it is now not even close.
I refuse to finish off the Spitfire until I can match the color scheme as close as possible. I put too much work into building this Spitfire to allow it to be seen at the club with such a mismatched paint scheme. I'll keep looking and trying, until then I will go no further with this TF Spitfire.

Roger

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RE: top flite spitfire build - 7/12/2011 4:24 PM   
cvial



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Status: offline 		Hi Roger.
Sorry to hear you are still stuck with the paint match. This may sound a bit crazy but have you considered paint the entire plane? It may add some weight but it will save you a lot of headaches trying to find a close match to the monokote (I remember you have already tried to find it with a computer in a paint shop).
Those warbirdscolors sound really good for a close match to the real colors, and it will be easy to find them again if you need them.

Cristian

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RE: top flite spitfire build - 7/12/2011 6:10 PM   
ForcesR


 

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Status: offline 		Cristian sorry, I didn't realize that I had posted in your thread, hope you do not mind?
I did think of  painting over all of the Monokote with easy to purchase warbird colors, just might end up doing just that in the end. That will be a time consuming job too, having to mask over all of the roundels, lettering etc.
I wish I would have waited longer before I installed the RAF roundels. I should have done more research to make sure I could match the Monokote covering with paint before I actually covered the Spitfire.
Lustrekote I do curse thee for no longer producing Olive Drab and Tan paint colors! Oh well, as the old saying goes; hind sight is 20/20.

Roger

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RE: top flite spitfire build - 7/13/2011 3:42 AM   
cvial



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quote:

hope you do not mind?

You are kidding right? the more the better, thats what it is for

In the worst case you can always replace the decals, I think you can ask topflite for another decal sheet. You just have to be careful when removing the decals to avoid damaging the covering.
I wish you the best of luck, that spitfire is looking great, and to be stuck with a thing like that is just.......... not fair!

Cristian

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RE: top flite spitfire build - 8/5/2011 10:25 PM   
cvial



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Status: offline 		Hi there.

A few updates of the building:

The wing and control surfaces are now fully glassed. I will final sand them as I glass the fuselage.
Right now I am preparing the fuse for covering, a little sanding there and filler there...
Any helpful tips or watchouts with the fuse covering? specially with the union of the stab and the fin, I find that area a bit tricky.

Cristian



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RE: top flite spitfire build - 8/6/2011 6:15 AM   
prgonzalez



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Status: offline 		Very Nice !!!

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RE: top flite spitfire build - 8/10/2011 10:45 PM   
cvial



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Status: offline 		Some of the work so far with the fuse:

First I made a new stand that is capable of holding the fuse and the wing for a more confortable job and easy handling (everything with PVC tubes, really easy, cheap and usefull!).

Okay now with the fuse... the first thing to do was to sand the cowl to the fuselage, I used squadron green puty because it works great in both wood and plastic. After a couple of hours everything was sanded to a smooth bond.

Next was the turn of the cockpit area. Since almost the begining I wanted to do a operational canopy so the interior could be easily seen (I really like detailed cockpits in warbirds), so I made some plastic rails from 3/16 square tubes. The idea is to hold the canopy closed with magnets and make some kind of seal (dont know yet how, perhaps using the same seal from the ziploc bags or something like that) to prevent the fumes from getting inside. I have just fitted the rails to see how it looks, I will glue them after the glassing and see if the idea really works before I cut canopy, after that.... there is no turning back.

Thats so far, the fuse is ready and if everithing goes right I plan to start the glassing process before the weekend (I will go skiing with my family, so no chance of building there ).

Cristian


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RE: top flite spitfire build - 8/11/2011 1:59 AM   
prgonzalez



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Status: offline 		Cristian,

Great job on that cowl and fuse. I look forward to seeing your canopy modification.

Pedro

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RE: top flite spitfire build - 9/26/2011 7:15 PM   
paul0367


 

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Status: offline 		Hi, I was just looking how people are getting on with the Spitfire type I built many years ago well 9 to be exact but it only maiden-ed last month as it just sat there yes so long. that's bad.
I opted to glass mine as the balsa was very thin, being glassed I also added rivet / panel detail and scars of war (weathering) I too added a sliding canopy and unlike yours I used Brass ( not plastic ) box section and I beam. The brass slides well but does not slip back in flight helped by the front screen shielding the airflow. I also added full spec with the Robart retracts and flaps and for scale look put the fuel filler where the original was fitted and its functional. I also built wheel wells to keep the grass or dew out of the wing. I went the 0.91 four stroke route as I had one lying about. The torque of a four stroke just pulls it around so well and wow if you have not already flown one you are in for a treat, she looks beautiful in the air especially on low passes. The landing is a tricky one though, this is due to the clean air frame, she does not slow down to quick even with flaps, if you have a long strip its not an issue but short strips be careful to use all the strip. Most war birds want to nose over, the Topflite is no exception and elevator is needed for both take off and landing, my first attempt was a nose over. I am assuming this is your 1st but maybe not.
I tried to put a few images on but kept getting errors


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RE: top flite spitfire build - 9/26/2011 9:10 PM   
prgonzalez



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Status: offline 		Hi Paul,

It's great that you are now enjoying your SF. Please tell us, what is the dry weight of your SF. I am not sure what engine to put in. I have two available engines for mine: 0.91 and 1.20 4-strokers. It will help me if I can compare weight to performance ratio based on your model with a 0.91 4S engine.

Congratulations on your maiden flight.

Pedro

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RE: top flite spitfire build - 9/28/2011 6:27 PM   
paul0367


 

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Status: offline 		Hi

The weight of the Spitfire is 10lb 875 oz and she flies really well at that, Really though, if I had a .120 engine hanging about spare I would put that in no question, the Spit needs silly amounts of nose weight to get the correct c of g ( they all seam to ) and the extra weight of the motor helps not to mention the extra power on tap, the engine takes up very little extra space up in the cowl. Go larger, I would.


http://www.youtube.com/user/paul0367?feature=mhee

Have a look at the flight and yes the prop was close, very close
Paul

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RE: top flite spitfire build - 9/29/2011 4:28 AM   
prgonzalez



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Status: offline 		Paul,

Very nice model and flight. I see the spitfire is a fast plane. Takeoff was a close call with the prop.

Thanks for the engine advice.

Pedro

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RE: top flite spitfire build - 9/29/2011 7:40 AM   
saramos



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Status: offline 		Looks great Paul, and very inspiring. I've got to make it a priority to get mine in the air.

Scott


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