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TopRCModel FW-190

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Old 11-05-2019, 12:59 PM
  #626  
n8622t
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You have to cut a hatch to get access...bulkhead needed glue anyway
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Old 11-05-2019, 06:28 PM
  #627  
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Well I posted earlier.... its not there!
I'm too am in the mix. I'm installing the Sierra TW in my plane I completely took out the bulkhead and did several mockup test pieces to determine the geometry for the TW steering.
I opened up the belly a bit more and did some reinforcement as there is some weakness around the tail.
I used the steering linkage setup from the TF Giant Scale P-40 by installing the ball link posts on the steering arms and loop wire around the posts. I am doing my info on RCSB.com
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Old 11-06-2019, 05:28 AM
  #628  
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A little coffee then Iím back on it....cut this pattern yesterday for the tail wheel and will cut the other pattern for the cylinder mount today. The tail wheel should be finished today

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Old 11-07-2019, 07:21 AM
  #629  
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Replacement cylinder mount plate for Sierra tail wheel
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Old 11-07-2019, 08:20 AM
  #630  
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So today we took the FW190 up for her maiden, its been built by someone else, and I got it at a good price, completed, with GP88 engine, servo's, batteries...everything. I know the builder had a tough time with the retracts, and eventually opted for some Electron units, that he was able to fit the struts to, and they work ok.
I should have gone over the plane more thoroughly, but cursory looks seemed the plane was ok. It flew, and flew well, but not without problems....but fortunately those all presented themselves on the ground, rather than in flight. The engine is new and performed well, but we were never going to wring it out. The engine has plenty power, and would improve with time, but I desperately dislike the 2-stroke noise in a bird like this...so it will be removed and sold. Most likely going to go with the UMS 125 as well, the Moki is way to dear for me, and the FG90 is going to be marginal on power, and will very likely be at full tilt most of the time.
So the MAIN problems are ALL gear related.The mains extend and retract well, and are quite tough...but the slop on them is ridiculous, especially in the scissors, lots of lateral movement. Because the electrons dont have the fram that the stock and Sierra ones have, we had to omit the downlock brace...
The tail wheel, with all the slippages is aslo a mess. Previous owner couldnt get the stock air system working, so it is forced into the down position....a bit disappointing, but not a show-stopper.

What I need is a set of struts to replace these ones, but I need them to fit into the electron trunnions...anyone know if Sierra sell struts only?
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Old 11-07-2019, 01:04 PM
  #631  
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Just call Darrell with the diameter you need and he will tell you if he has anything
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Old 11-07-2019, 01:05 PM
  #632  
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You could also go with Robartís ...their struts are very good
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Old 11-07-2019, 05:59 PM
  #633  
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N8622T:
I am installing the sierra TW in my FW as well. I am making the pin at the top removable. If you have the 4 screws at the top Im not sure how to remove it for maintenance if it has problems. I've been warned the air cly is problematic and i will replace mine when it becomes a nuisance but "Ill fly to failure" Screw the mount to the wood support then pull the circlip so the pin can come out then put a small shim at the inside of the door so that it holds the pin in place with the access door in place,
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Old 11-08-2019, 05:31 AM
  #634  
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It shouldn’t be a problem sparky, the side access hatch on the vertical allows me to get to the cylinder mount screws and the newly cut hatch on the belly allows me access to the forward mount. I’m not real clear on your pin idea
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Old 11-08-2019, 06:30 AM
  #635  
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I’ve got what you’re saying !! Use the side hatch as a block, good idea. How bout mounting a wood block to the stab opposite the stab hatch that’s tapped or with a blind nut and replace the pin with a screw?
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Old 11-08-2019, 06:35 AM
  #636  
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And by doing that, the new plate won’t be needed. I’ll mount the cylinder mount plate to the rudder post with countersink screws
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Old 11-08-2019, 01:04 PM
  #637  
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Cut a block and thread for the bolt
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Old 11-08-2019, 01:05 PM
  #638  
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Old 11-08-2019, 03:15 PM
  #639  
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The hysol is in!!!
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Old 11-08-2019, 04:05 PM
  #640  
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Nice work!
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Old 11-08-2019, 04:11 PM
  #641  
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Thanks Tevan...just drill and tap this block for the air cylinder screw
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Old 11-10-2019, 02:58 PM
  #642  
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Tevans this is at full extension
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Old 11-10-2019, 03:13 PM
  #643  
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Full cycle
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Old 11-10-2019, 05:33 PM
  #644  
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Perfect! That tail gear will handle a lot of 50 Caliber!!!
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Old 11-11-2019, 08:12 AM
  #645  
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Originally Posted by tevans55 View Post
Perfect! That tail gear will handle a lot of 50 Caliber!!!
we need to stick together
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Old 11-11-2019, 08:15 AM
  #646  
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Rear hatch done....time to install rudder and tail wheel cables and servos
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