Notices
RC Warbirds and Warplanes Discuss rc warbirds and warplanes in this forum.

ESM T-28

Old 03-10-2016, 11:04 AM
  #1401  
helinut1
 
Join Date: Nov 2013
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
Default

After several flights I am having the same issue with landing gear . I got the nose gear fixed only to have the mains start to get loose and finally give way . After fixing came in for a good landing only to have one half of the wing fold from front to rear over the back . After looking at the construction found that there really is not any except balsa . I sent my good half of the wing to Eureka Foam Core wings and they designed me a three piece foam core with the correct wash out and center section. After 6 months of building I have finished the wing and am very impressed with the outcome . Have not flown it yet it is rain in California but am expecting good things from this . I will try and post some pictures later .
Old 03-27-2016, 07:17 PM
  #1402  
PLANE JIM
My Feedback: (109)
 
Join Date: Dec 2002
Location: AT THE AIRPORT
Posts: 2,005
Likes: 0
Received 1 Like on 1 Post
Default

Originally Posted by Doomking
Wow this thread still goes on....I would suggest if you have not done it yet to read this thread from page one where you will find many answer to your questions.....briefly with mine I added formers in the tail to stiffen the tails some,just two or three equally spaced.... I think there should be discussion on that in the early pages.
I use Sierra for retracts and they work great....bit pricey but it's the best in my opinion money can buy.
I would reinforce only the nose gear former for landing gear modifications.....the front former has a tendency to fracture if you land hard on your nose wheel like I did few times...the main gear mounts I left them stock and they work great...
I have Sierra's as well and have not maiden yet-I understand Sierra has closed up shop!
Old 03-29-2016, 04:14 AM
  #1403  
SWORDSN
My Feedback: (13)
 
Join Date: Jun 2004
Location: WILLIAMSTON, SC
Posts: 1,126
Likes: 0
Received 2 Likes on 2 Posts
Default

Originally Posted by PLANE JIM
I have Sierra's as well and have not maiden yet-I understand Sierra has closed up shop!
I hope that's not true,they are top quality retracts.
Old 03-31-2016, 04:44 PM
  #1404  
Roy Conomos
Junior Member
 
Join Date: Sep 2012
Location: Shorncliffe, AUSTRALIA
Posts: 17
Likes: 0
Received 0 Likes on 0 Posts
Default

Hey helinut1, I like the idea of the foam wing, do you know if Eureka Foam Core Wings now have a template so others can order the three piece foam wing? Cheers, happy flying.
Old 04-11-2016, 07:23 PM
  #1405  
helinut1
 
Join Date: Nov 2013
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
Default

Roy it took a while to get back to you sorry . yes I believe he does have a computer program that the dimensions are on and can reproduce them at will . The wing is slightly bigger and when he took apart the old wing I sent him we found it was built all wrong and did not have any wash out in the wing . Also the landing gear supports were there but not really tied to anything so they tour out easy . There is a lot to do with a foam core wing when you get it from him . there are no cut outs for servos , landing gear or wires . This all has to be done . I found by reading the internet there are easy ways to do this and when I tried them it was a snap . I think I could build the second one in about a week . I used Gorilla Glue on the entire wing and it worked great . I have not flown it yet as the weather has been wet but soon I will fly it and put an update on this site .
Old 04-11-2016, 08:51 PM
  #1406  
nemesis4u
My Feedback: (77)
 
nemesis4u's Avatar
 
Join Date: Apr 2002
Location: Bryan, TX
Posts: 3,157
Likes: 0
Received 0 Likes on 0 Posts
Default

GENTS,

Regarding SIERRA... Darrell is alive and well.... No he is not out of business....

He recently just finished (12) sets of ESM BF-109G 50cc size gear and tail struts for a Hollywood movie project for me....

More ESM T-28's arriving in a few months in both the YELLOW and also the RED/WHITE COLOR SCHEMES... I have lots of canopies and cowls on order as well...
Hope to get those before the container....

If anyone needs any sierra gear just email me direct at;

info @ vq warbirds.com (edit by removing spaces)


Cheers!

Tomas
info @ vq warbirds.com
www.vqwarbirds.com
Old 04-12-2016, 12:34 AM
  #1407  
Roy Conomos
Junior Member
 
Join Date: Sep 2012
Location: Shorncliffe, AUSTRALIA
Posts: 17
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks for that helinut1, I have never built a foam wing so will take your advice on reading up on the web before I take this step. If I do buy the foam core I may look for someone who is experienced at these wings and have them build it for me if it is worth it.
Thanks mate, happy flying.
Old 04-12-2016, 12:40 AM
  #1408  
Roy Conomos
Junior Member
 
Join Date: Sep 2012
Location: Shorncliffe, AUSTRALIA
Posts: 17
Likes: 0
Received 0 Likes on 0 Posts
Default

Hello Tomas, that is great news regarding the Red and White kits are being released again. Would I be able to order a main wing kit?
Also, I use the electric retracts available for these models but have retrofitted better motor/gearbox assemblies from Polou. I like the Sierras but not a fan of air operated, are they available, or able to be converted to electric motor drive or replace the air cylinder with a servo and rod assembly?
Cheers mate.
Old 04-15-2016, 06:09 AM
  #1409  
SWORDSN
My Feedback: (13)
 
Join Date: Jun 2004
Location: WILLIAMSTON, SC
Posts: 1,126
Likes: 0
Received 2 Likes on 2 Posts
Default

Good to hear about Sierra
Old 04-20-2016, 05:53 PM
  #1410  
helinut1
 
Join Date: Nov 2013
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
Default

Great news I went out and flew the T-28 with the foam wing that Eureka made me and it was great . Lots of lift very smooth and landings were more predictable and a great glide ratio to the ground . The gear is super strong and did not budge . I am very satisfied after all the work to build it up and fit this wing . Now comes some scale markings panel lines and rivets . After that I might tackle doors on the wing gear.
Old 07-12-2016, 02:02 PM
  #1411  
marksp
My Feedback: (9)
 
marksp's Avatar
 
Join Date: Aug 2004
Location: Redmond, WA
Posts: 888
Received 22 Likes on 20 Posts
Default

Anybody know if the new kits offer any updates to address the known issues? I saw somewhere reference to "improved" and wondering what that might mean?

Cheers
Old 07-13-2016, 05:49 AM
  #1412  
cloud_master
 
Join Date: Sep 2009
Location: SunPrairie, WI
Posts: 129
Likes: 0
Received 0 Likes on 0 Posts
Default

How are you guys balancing this model? Is the CG the 25-28% of total chord like my KMP t-28? I've read 3.5" from leading edge is the sweet spot, which is roughly 25%. Also, are you balancing with gear up or down? I have my KMP balanced at slight nose down, inverted, gear up. When the gear is extended, it is severe nose heavy.

Can I get some insight on this?? Thanks.
Old 07-13-2016, 11:29 AM
  #1413  
chorner
 
Join Date: Aug 2014
Posts: 397
Received 2 Likes on 2 Posts
Default

Hey guys, interested in getting one of these planes setup with a modified ASP FS400 radial. Would anyone know if it will it fit in the cowl?

I see the Saito FG60R3 fits, but the ASP is slightly larger by ~5-10mm.
Old 10-22-2016, 10:53 PM
  #1414  
JoeJr1485
 
Join Date: Dec 2015
Location: Germany
Posts: 470
Received 0 Likes on 0 Posts
Default

Hello Fellow T-28 owners. I just recently purchased a T-28 from ESM and I have to say the kit is quite nice. But I did run into an issue. after inspecting everything It looked good. put it back in the box. three days later I got the fuselage back out and noticed that it was starting to split. The area that its splitting is on the rudder section at the bottom and working its way up to the top. After feeling around there are no formers or reinforcement in that area. It also looks as if they didn't use enough epoxy and maybe even sanded the area down way to much. I have contacted them on this and I hope they send a new fuselage. I am thinking that the repair is going to cost as much as new one. Here are a few pictures of what it looks like. I am afraid that the spit is going to continue all the way up to the top of the rudder section. what do you all think?
Attached Thumbnails Click image for larger version

Name:	20161022_113715.jpg
Views:	1101
Size:	2.41 MB
ID:	2187098   Click image for larger version

Name:	20161022_113733.jpg
Views:	1086
Size:	2.40 MB
ID:	2187099   Click image for larger version

Name:	20161022_113723.jpg
Views:	1106
Size:	2.43 MB
ID:	2187100  
Old 10-23-2016, 01:33 AM
  #1415  
Doomking
My Feedback: (38)
 
Doomking's Avatar
 
Join Date: Nov 2002
Location: North Ridgeville, OH
Posts: 743
Likes: 0
Received 2 Likes on 2 Posts
Default

I will be surprised if they send you a new one.
if they don't, you can cut out an inspection opening at the bottom near the tail end. You probably need an opening there anyway to add ballast to the rear in case the plane is nose heavy.
from that opening which should be big enough to insert your hand you can than flip the plane upside down, and after clamping the tails end from the outside, you can brush epoxy in the dorsal fin and maybe put some additional strips of fiberglass.
Also some of us build and installed formers in the rear of the fuselage to stiffen the body, since its pretty flimsy, so the opening can help yoy for that for the rear ones.
Hope you get your new fuse, otherwise you could try that fix.
Good luck.
Old 10-23-2016, 10:38 AM
  #1416  
JoeJr1485
 
Join Date: Dec 2015
Location: Germany
Posts: 470
Received 0 Likes on 0 Posts
Default

Originally Posted by Doomking
I will be surprised if they send you a new one.
if they don't, you can cut out an inspection opening at the bottom near the tail end. You probably need an opening there anyway to add ballast to the rear in case the plane is nose heavy.
from that opening which should be big enough to insert your hand you can than flip the plane upside down, and after clamping the tails end from the outside, you can brush epoxy in the dorsal fin and maybe put some additional strips of fiberglass.
Also some of us build and installed formers in the rear of the fuselage to stiffen the body, since its pretty flimsy, so the opening can help yoy for that for the rear ones.
Hope you get your new fuse, otherwise you could try that fix.
Good luck.

lol Yeah I was thinking the same thing. I hope I do get the new one. I mean I know this kit is cheap anyways but I would have thought that it wouldn't have this much happening. The only issue that I am afraid of is that the split will continue up to the top of the rudder section and that part I cant get to unless I split the whole back and fix that part then fix the area that I cut out to get to it. The other thing is I was testing the area of the split with some claps to see if I can get them to hold. That area is just soft enough for the clamps to slip off. I was going to put some reinforcements in the tail anyways so I am going to cut a hatch in the bottom as you stated and see what I can do. I think what it is, is that the area that is splitting looks as if they one didn't put enough epoxy in that area and two they sanded it down too thin in that area before painting.
Old 10-30-2016, 08:32 AM
  #1417  
Jim Cattanach
 
Jim Cattanach's Avatar
 
Join Date: Mar 2003
Location: Larnaca, , CYPRUS
Posts: 2,146
Received 2 Likes on 2 Posts
Default

Maidened my ESM T28 on Saturday.
Video of it flying. Sorry about the poor quality of the video. Cheap camera.
I did not like the wire operated elevator arrangement, so I installed two Hitec 5245MG servos in the tail.
I also modified the tail plane attachment, so they can be removed for servo servicing.

https://www.youtube.com/watch?v=AZ5h0gODgbs

Attached Thumbnails Click image for larger version

Name:	ESM T28 7.JPG
Views:	1006
Size:	1.77 MB
ID:	2188240  

Last edited by Jim Cattanach; 10-30-2016 at 08:35 AM.
Old 11-03-2016, 09:42 AM
  #1418  
JoeJr1485
 
Join Date: Dec 2015
Location: Germany
Posts: 470
Received 0 Likes on 0 Posts
Default

Does anyone know what FS Color Codes did ESM use for the yellow and Silver on the fuse? I am working on fixing the rudder section were it started to split. I will need to apply some paint to some of the areas that will be fixed. Also what color of yellow was used on the MonoKoat? I am thinking its cub yellow but not sure. Any and all help would be great.
Old 11-03-2016, 11:40 AM
  #1419  
TimD.
My Feedback: (207)
 
TimD.'s Avatar
 
Join Date: Dec 2001
Location: Jacksonville, FL
Posts: 754
Likes: 0
Received 13 Likes on 12 Posts
Default

Can someone please give the inside diameter of the cowl about 3" back from the front. Wanting to know if a Evo 777 will fit.
Old 11-05-2016, 03:03 PM
  #1420  
arneg
Junior Member
 
Join Date: Oct 2006
Location: NORWAY
Posts: 1
Likes: 0
Received 0 Likes on 0 Posts
Default

Did some measuring of the cowl today; the inside diameter at 3inches from front is 230mm /9.055" sideways, it is a bit oval so bigger top and bottom. From firewall to front of prop.flange there is 164mm /6.46" . some rework for 34mm needed as the engine is 200mm long
Old 11-05-2016, 03:59 PM
  #1421  
TimD.
My Feedback: (207)
 
TimD.'s Avatar
 
Join Date: Dec 2001
Location: Jacksonville, FL
Posts: 754
Likes: 0
Received 13 Likes on 12 Posts
Default

Originally Posted by arneg
Did some measuring of the cowl today; the inside diameter at 3inches from front is 230mm /9.055" sideways, it is a bit oval so bigger top and bottom. From firewall to front of prop.flange there is 164mm /6.46" . some rework for 34mm needed as the engine is 200mm long
Thank You, for taking the time to do that for me. I believe it will be a tight fit, but should work.. I will order one as soon as they are available State side.
Old 11-13-2016, 03:39 AM
  #1422  
Jeff Hendricks
My Feedback: (3)
 
Join Date: Dec 2002
Location: Acworth, GA (North Atlanta Area)
Posts: 77
Likes: 0
Received 0 Likes on 0 Posts
Default

Helinut1

Regarding "kelio exhaust ring. The exhaust also has 3 outlets welded on each side to come out the scale outlets."

Did you modify the exhaust ring yourself or have it done ? I am wanting to do the same for my ESM T28.

Thanks
Old 08-11-2017, 01:49 AM
  #1423  
navyt28
Senior Member
 
Join Date: Oct 2004
Location: 85221 Dachau, GERMANY
Posts: 111
Likes: 0
Received 0 Likes on 0 Posts
Default ESM Trojan T-28 new designed

..
Attached Thumbnails Click image for larger version

Name:	DSC05963-003.JPG
Views:	101
Size:	187.9 KB
ID:	2227619  

Last edited by navyt28; 08-12-2017 at 06:47 AM. Reason: wrong Foto
Old 08-11-2017, 01:54 AM
  #1424  
navyt28
Senior Member
 
Join Date: Oct 2004
Location: 85221 Dachau, GERMANY
Posts: 111
Likes: 0
Received 0 Likes on 0 Posts
Default ESM Trojan T-28 new Design

Click image for larger version

Name:	DSC05963-002.JPG
Views:	131
Size:	295.6 KB
ID:	2227620

a new design after long time for my ESM Trojan T-28

Last edited by navyt28; 08-11-2017 at 02:04 AM.
Old 08-21-2017, 07:50 AM
  #1425  
Rougarou
 
Join Date: Aug 2017
Location: Tennessee
Posts: 13
Likes: 0
Received 0 Likes on 0 Posts
Default

Ok so I have a pica 1/5 scale t-28. Wing span is about 80" and fuselage is about 62" from the tip of the cowl to the end of the rudder. Will the Esm cockpit kit fit in my pica and I need a canopy also, so I need to know if it will fit also? I'm also going to need retracts and was looking at the Sierra retracts for my bird. Will these work on my t-28? Does anyone know where I could also get the gear doors for it? Thanks

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.