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RE: Top-Flite T-34 - 10/18/2005 5:12 AM   
khart2000


 

Posts: 126
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Joined: 7/25/2002
Last Login: 5/24/2013
From: Merritt Island, FL, USA
Status: offline 		Thanks for the info. Do you have a pic. of the nose gear bay? Again great job, it has motivated me to get started!

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       Post #: 301

RE: Top-Flite T-34 - 10/18/2005 6:49 PM   
tomdensmore


 

Posts: 17
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From: Aurora, IL, USA
Status: offline 		I've attached a few pictures below, with the cowl removed to make it easier to see things. I molded the gear doors by laminating 1/64" ply on both sides of 1/16" balsa. If I was doing it again, I'd probably mold them out of fiberglass -- I didn't know how to do that at the time I made the doors. In either case, the key is to mold the doors over the cowl before you cut out the door openings.

One thing that made this harder is the fact that the gear is offset to one side. I know some people have taken out the offset. It's there on the real plane, but it doesn't seem to be as pronounced as in the model. You either have to make the gear doors larger to compensate, or offset the doors to one side -- I opted to make them larger.

One resource that I can highly recommend is a book called "Radio Control Airplane Finishing & Detailing: How to create an RC Masterpiece" by the publishers of Model Airplane News. I used that book extensively to learn techniques for creating panels, doors, and other details.

Good luck!

Tom


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RE: Top-Flite T-34 - 10/19/2005 6:55 AM   
khart2000


 

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From: Merritt Island, FL, USA
Status: offline 		Tom,
Again great job. Thank you for the information and photos.
KHart

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RE: Top-Flite T-34 - 10/25/2005 12:00 PM   
raknin


 

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From: Herzelia, ISRAEL
Status: offline 		Aircoboy,

I saw your T-34, outstanding job in short time. Do you have any movie to demonstrate the T-34 in action (Fliyng).
It seems that the model can be finish in a month of evenings work, that is good. I will build mine with a fix landing gear
since the robart retract cost a lot, and it is overhead to the plane with adding point of failure. In addition are U using the flaps for
landing?


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RE: Top-Flite T-34 - 11/27/2005 4:40 AM   
SarDog



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From: Box Elder, SD, USA
Status: offline 		Struck Gold again, I found a copy of my 1959 US Air Force T.O. 1T-34A-1 from when I flew the T-34A 20 years ago. Will have to see the legality of making copies of this Air Force T.O.

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RE: Top-Flite T-34 - 12/22/2005 12:33 AM   
raknin


 

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From: Herzelia, ISRAEL
Status: offline 		I am building right now the top-flite T-34. I start building the stab. I have question regarding the
instruction writtn on page 13 step 25. It is written in the manual to "cut 12 1-7/8" (47.6mm) long hinge blocks from the 1/4"*3/8"*36" (6.4*9.5*914mm) balsa stick". The actual space between the ribs is 5.2cm, but in the instruction is written to cut 47.6 mm hinge block. My question to you, If I cut 5.2 cm it can also server of reinforcment for the ribs, can anybody have any suggestion

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RE: Top-Flite T-34 - 12/22/2005 1:05 AM   
HalH


 

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Status: offline 		Just cut the pieces to fit between the ribs. My ribs are 2-1/16" apart.

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RE: Top-Flite T-34 - 12/22/2005 1:21 AM   
raknin


 

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From: Herzelia, ISRAEL
Status: offline 		Hal,

Thanx this is what I was thinking. Just another question, does this balsa stick is used for something else. Because I am afraid that the rest of the stcik is using for something else. If I cut too much it can be missing somewhere else.

< Message edited by raknin -- 12/22/2005 1:22 AM >

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RE: Top-Flite T-34 - 12/22/2005 1:35 AM   
HalH


 

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Status: offline 		You will use the remainder in the same way on the fin and rudder.

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       Post #: 309

RE: Top-Flite T-34 - 12/22/2005 2:00 PM   
raknin


 

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From: Herzelia, ISRAEL
Status: offline 		Hal,

I made some measurments and it seems that blasa stick supply will fit the rudder and the stab. The issue is that top flite manual has to be modified to the right size. Also according to the plans itself it measure 5.2 cm. I am going to report it to top-flite, so maybe the manual is needed to be modified. Thanx any way.

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RE: Top-Flite T-34 - 1/17/2006 10:35 PM   
aircowboy



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From: Schenevus, NY, USA
Status: offline 		Pictures of my Evolution 100 install.

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RE: Top-Flite T-34 - 1/22/2006 10:13 PM   
Werner38


 

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From: , AUSTRIA
Status: offline 		Hi,

are the Robart-retracts made totally from alu or are there an plastic parts in it?

Do you think, the retracts can be used on gras?

Thanks

Werner

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RE: Top-Flite T-34 - 1/22/2006 11:02 PM   
HalH


 

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From: Madison, WI,
Status: offline 		There are no plastic parts and yes they can be used in short grass.

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RE: Top-Flite T-34 - 1/23/2006 6:04 PM   
Werner38


 

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From: , AUSTRIA
Status: offline 		Hi,

today I have ordered the kit, the retracts will follow soon (thanks for the infos about them HalH). In the meantime I have to order an engine for the T-34B. One of the favourites is an Evolution 100 (thanks aircowboy). On the other hand I think a Saito 4 cycle would be also a good choice for it. But I really don't know which one should I choose. A few T-34B owners have told me not to use a Saito 100 because I it have to go from a gras runway. The next size is the new Saito 125a. Nearly as light as the 100 and, as far as I have heard, a lot of extra power. Or should I go with a Saito 150, one of the large Saito's. It is heavier then the 125, but a lot of scale models need the extra weight. What do you think about it?

Thanks Werner

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RE: Top-Flite T-34 - 1/23/2006 6:23 PM   
HalH


 

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From: Madison, WI,
Status: offline 		I believe the larger Saito 4 cycle engines will stick outside the cowl. I have not flown mine yet but I have a RCV 120 in mine. It will be able to turn a rather large prop so it will probably be more than enough power and it definitely fits inside the cowl.

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RE: Top-Flite T-34 - 1/24/2006 9:00 AM   
SarDog



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From: Box Elder, SD, USA
Status: offline 		HalH,

I am looking at that engine too. Do you have any pics on your engine mount for the RCV 120? Hope it works great for ya. Looks like the best fit for the power, without cutting into the cowling. Keep us in formed of the pros and cons of the RCV.

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RE: Top-Flite T-34 - 1/27/2006 8:02 PM   
GEARED


 

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From: Rio de JaneiroRio de Janeiro, BRAZIL
Status: offline 		Hi HalH,
I have also considered the 120 RCV for the TF T-34, but still have some doubts.
A RCV 120 engine requires a big prop ( 20" to 22" x 12 " ) to benefit from the torque delivered by the 1:2 reduction gears; to clear the nose wheel, however, the biggest prop you can use is 15" diam.
The Propeller Load Factor ( PLF = DxDxP ) of the 20" prop is: 20x20x12 = 4800
That PLF from a 15" diam prop would require a pitch of : 4800/15x15 = 21".
If you go with multi-bladed props:
A 15" diam. 3-blade prop corresponds to a 16" diam 2-blade prop, so the pitch for corresponding PLF should be 4800/16x16 = 18-3/4".
A 15" diam. 4-blade prop corresponds to a 17" diam 2-blade prop, so the pitch for corresponding PFL should be 4800/17x17 = 16-1/2".
So,what propeller are you going to use in your 1/5 scale Top Flite T-34 equipped with a 120RCV engine?

Regards,

Geared.

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RE: Top-Flite T-34 - 1/27/2006 9:27 PM   
HalH


 

Posts: 630
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Joined: 11/25/2002
Last Login: 3/6/2009
From: Madison, WI,
Status: offline 		I am using a 18" two blade for mine. ( 18X14 ) Zinger I am able to use a larger one because I lengthened the nose strut and mounted it lower than stock. I actually did this to make the model sit in a more scale nose high stance.

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RE: Top-Flite T-34 - 1/27/2006 11:54 PM   
GEARED


 

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From: Rio de JaneiroRio de Janeiro, BRAZIL
Status: offline 		It seems fine! How much does your plane weight? Have you got any pics?
Regards,
Geared

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RE: Top-Flite T-34 - 2/1/2006 12:30 AM   
greenboot



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From: St Louis, MO, USA
Status: offline 		I have mine ready to install an engine but I'm still wondering what to use. Does the RCV fit with a stock muffler? I have the Robarts installed so I need a muffler that around them. I like the YS 110. Does anyone know if it fits?

Tom

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RE: Top-Flite T-34 - 2/1/2006 12:48 AM   
HalH


 

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From: Madison, WI,
Status: offline 		Look at my post #246 for a picture with the RCV installed. There are some more pictures in this thread of my engine.

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RE: Top-Flite T-34 - 3/10/2006 4:03 AM   
eagle1230


 

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From: Carriere, MS, USA
Status: offline 		Hello,
My name is Roland and I have been watching your progress on the T-34, very nice. I think you for some of the ideas on how to fix/do some of the process. My question is would please send me the demsions of the muffler you built. I am installing a OS91 Fx in my plane. I have been building my for over two years, I know that is long but I,m slow. Please send me the mesurment of the muffler with a dirgram.
My e-mail is mustang51@bellsouth.net Thank You. Roland

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RE: Top-Flite T-34 - 3/13/2006 8:29 PM   
fliir



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From: Belmont, MI, USA
Status: offline 		Eagle:

So you think two years is SLOW? Did you see the date on the first post in this thread (December 15, 2002)? I think you are in good company...

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RE: Top-Flite T-34 - 3/13/2006 9:06 PM   
PT21Flyer



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From: Tullahoma, TN, USA
Status: offline 		fliir,

Yep. It's been over three years in the making and still not finished. I'm applying aluminum to it and hope to fly it this summer. I need to git r done so I can build my Don Smith B-17.

Jerry

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RE: Top-Flite T-34 - 3/19/2006 7:39 AM   
rkinman


 

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From: Wichita Falls, TX, USA
Status: offline 		Jerry,
Keep up the good work. Your T-34 looks great. I was fortunate to make a quick hop to Breckenridge, Tx from Wichita Falls last Monday in a friend of mine's T-34. I've posted a couple of photos. The T-34 is a super nice airplane and I'm sure the model is just a great. I have one in the box I need to build myself. Thanks for letting everyone learn from your build.
Reese



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