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Don Lien 80" Hellcat Build

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Old 10-08-2008, 08:48 PM
  #51
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Default RE: Don Lien 80" Hellcat Build

Any help on the control surface throws? Lawrence, anybody??

Thanks
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Old 10-11-2008, 11:38 PM
  #52
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Default RE: Don Lien 80" Hellcat Build

Tonight I cut the front off of the fuse. Used the part I cut off as a template to make a new firewall. Tacked it in place with some CA and poured some 30 min. epoxy around it with some glass cloth for strength. Man, what a mess.
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Old 10-12-2008, 01:29 PM
  #53
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Default RE: Don Lien 80" Hellcat Build

Flypuck what engine did you say you were using? I still have not taken the pic's of the F4U George
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Old 10-12-2008, 02:22 PM
  #54
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Default RE: Don Lien 80" Hellcat Build

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ORIGINAL: aquaskiman

Flypuck what engine did you say you were using? I still have not taken the pic's of the F4U George
46cc Poulan
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Old 10-12-2008, 09:30 PM
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Default RE: Don Lien 80" Hellcat Build

I am the worst about control throws
I set my planes up for max throws on all surfaces and the Dual rate at about half
then I fly the plane and adjust my throws to achieve the effect I want

Wish I could be more helpful but I never have even looked a the recommended throws on any plane
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Old 10-12-2008, 10:06 PM
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Default RE: Don Lien 80" Hellcat Build

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ORIGINAL: hellcat56

Wish I could be more helpful but I never have even looked a the recommended throws on any plane
Thanks Lawrence. Here's a thought. I'm guessing the throws would be about the same as your Zcat. Maybe the next time you take her out,
you could measure them and let me know what they are. Might be a good place to start.

Thanks,
Doug
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Old 10-13-2008, 10:04 PM
  #57
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Default RE: Don Lien 80" Hellcat Build

Got the engine aligned and the holes drilled for the engine. I cut 1/2" too much off the front of the fuse so I had to block up the mount.
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Old 10-15-2008, 10:45 PM
  #58
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Default RE: Don Lien 80" Hellcat Build

Throttle push rod and bell crank installed.
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Old 10-18-2008, 07:18 AM
  #59
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Default RE: Don Lien 80" Hellcat Build

Got the rest of the bulkheads installed. Next up I'll start building the rudder so I can get the control linkages squared away.
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Old 10-18-2008, 11:37 AM
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Default RE: Don Lien 80" Hellcat Build

Rudder build-up
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Old 10-19-2008, 10:22 AM
  #61
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Default RE: Don Lien 80" Hellcat Build

Installed hardwood blocks in the rudder. The top 3 are for the pin hinges and the bottom one is for the control wire.
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Old 10-20-2008, 09:41 PM
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Default RE: Don Lien 80" Hellcat Build

Finished up the rudder framing. It still needs to be sanded to an airfoil shape but first I need to sheet and install the trailing edge on the fin.
I used blue tape as a hinge and glued the sheeting together with Titebond. Stacked the sheets with waxed paper and use a piece of plywood to hold the flat while the glue drys.
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Old 10-25-2008, 01:49 PM
  #63
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Default RE: Don Lien 80" Hellcat Build

Using a laser line I marked out the cut lines for the stab/elevators.
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Old 10-25-2008, 06:49 PM
  #64
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Default RE: Don Lien 80" Hellcat Build

Had to break out the foam cutting rig for this job.
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Old 11-16-2008, 10:17 PM
  #65
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Default RE: Don Lien 80" Hellcat Build

Stab halves sheet and leading edges installed. One LE sanded to shape. one to go.
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Old 01-25-2009, 10:25 PM
  #66
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Default RE: Don Lien 80" Hellcat Build

I have struggles long and hard on a method of hinging the elevators to the stab. I started by using hardwood dowels as hard points on the TE of the stab and epoxied them in place. Worked great and was a no brainer.
I then decided to cut pockets out in the elevators and insert some hardwood blocks to accept the hinge points. I used Gorilla Glue on the blocks. Big mistake. The stuff started expanding and now I have glue oozing all over the place and clogging up the holes for the hinges.
I ended up sticking pieces of piano wire in the hinge holes so I know where to drill them out later.
Last time I try using this method.
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Old 08-12-2009, 10:46 PM
  #67
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Default RE: Don Lien 80

Hey Flypuck,

Any more progress on the Hellcat?

Cheers WMM
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Old 08-13-2009, 03:43 PM
  #68
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ORIGINAL: WarbirdMadMan

Hey Flypuck,

Any more progress on the Hellcat?

Cheers WMM
Nada. Been busy with other things. I hope to get back on it sometime in late fall (spring for you of course). Thanks for asking!
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Old 01-11-2011, 12:26 PM
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Default RE: Don Lien 80

OK, I know I'm late on this one but I just picked up the same kit at the AMA Expo. I amkeenly interested on how your builds ended up. Don't keep us in suspense any longer. As you stated no instructions just prints. What are you useing as an epoxy/putty/primer before painting?
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Old 12-04-2017, 06:06 PM
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Just bought an 80 inch Don Lien Kit at the Club swap meet from a stranger. does anyone have a set of plans and instructions?
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Old 12-05-2017, 09:42 AM
  #71
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Quote:
Originally Posted by DaringDo4 View Post
Just bought an 80 inch Don Lien Kit at the Club swap meet from a stranger. does anyone have a set of plans and instructions?
DaringDo4
years ago did Bob Holman carry the Lien kits at Bob Holman Plans
cheers - ken
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Old 12-05-2017, 11:21 AM
  #72
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I can assure you that he did Ken. I had the Hellcat kit and still have a digital copy of the plans for it.
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Old 12-08-2017, 06:02 PM
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Hello,
I just bought an 80 inch Don Lien HellCat at the club swap meet. no plans or instructions. anyone know how I can get a copy of plans and instructions?
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Old 12-08-2017, 09:08 PM
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Originally Posted by DaringDo4 View Post
Hello,
I just bought an 80 inch Don Lien HellCat at the club swap meet. no plans or instructions. anyone know how I can get a copy of plans and instructions?
DaringDo4
I have scanned copies of the plans that I would be happy to share with you. I had the kit and I don't recall any instructions, just the plans. It ain't for beginners for sure! Shoot me an email if you would like a digital copy of the plans.

Chad Veich
cwveich@cwvmodels.com
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