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Howard Engineering - Kwik Fli III – Build

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Howard Engineering - Kwik Fli III – Build

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Old 10-20-2009, 03:18 PM
  #301  
cpuls
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Default RE: Howard Engineering - Kwik Fli III – Build

It's good to see the Kwik Fli
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Old 10-21-2009, 05:43 AM
  #302  
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Default RE: Howard Engineering - Kwik Fli III – Build

It looks like you have plastic wing tips???? Is the wing newer than the rest of the model?

FB
Old 10-22-2009, 10:42 AM
  #303  
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Default RE: Howard Engineering - Kwik Fli III – Build

This was originally a prototype 7/8 Kwik-Fli with a foam wing and plastic body (2 piece) and wing tips
Old 12-06-2010, 04:49 PM
  #304  
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Default RE: Howard Engineering - Kwik Fli III – Build

My next build is completing my Great Plans Tiporare that I started 13 years ago and can be seen here http://www.rcuniverse.com/forum/m_2827386/tm.htm
Old 01-03-2011, 10:06 AM
  #305  
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Default RE: Howard Engineering - Kwik Fli III – Build

After completing my FK SBA 60 Speeda build here http://www.rcuniverse.com/forum/m_7510820/tm.htm I thought I would start the New Year out right by completing some projects that have been in the shop queue.

I flew the Kwik Fli III quite a bit and it is a real joy to fly. Especially the historic and nostalgic aspect that I built it in 1974, Kraft radio, etc. Unfortunately after a while it developed a fuel weeping problem in the fuel tank stopper. Not a quick thing to fix the way the nose gear is installed so I put it up on blocks in the hanger and now I’m going to refurbish it and get it back into flight status.

My “to do” list:

1. Fix the tank leak and engineer a better tank mount that will make it easier to fix the tank in the future.
2. The Irvine carb is stuck from sitting.
3. The nose gear got fuel on the strut bearing and is sticky.
4. The Nicads that I installed in March 2004 need replacing and I’ve ordered a new Kraft TX and Kraft RX set from Batteries America.

The first steps were taking out the engine, battery, receiver, disconnecting the air lines to the nose gear and the control valve, nose gear and finally the tank.

View of the tank removed. Not the most clever way of routing the fuel lines but it seemed like a good idea in 1974!

To be continued….
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Old 01-03-2011, 10:08 AM
  #306  
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Default RE: Howard Engineering - Kwik Fli III – Build

Gunk in the tank.

To be continued….
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Old 01-03-2011, 10:16 AM
  #307  
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Default RE: Howard Engineering - Kwik Fli III – Build

The nose gear is a Rohm firewall mount so the tank lines had to be routed around the vertical air cylinder. This arrangement made it difficult to tighten the fuel tank stopper screw and or remove the tank.

To be continued….
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Old 01-03-2011, 10:20 AM
  #308  
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Default RE: Howard Engineering - Kwik Fli III – Build

Next was getting the tank mount off the tank. The front of the mount also has the blind nuts for the motor mount bolts.

To be continued….
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Old 01-03-2011, 10:24 AM
  #309  
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Default RE: Howard Engineering - Kwik Fli III – Build

This is the original 1974 tank and has an anti-foaming material in it. The next step was gutting out the tank and cleaning it.

To be continued….
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Old 01-03-2011, 10:26 AM
  #310  
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Default RE: Howard Engineering - Kwik Fli III – Build

Cleaning out the tank and soaking the carb in fuel.

To be continued….
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Old 01-03-2011, 11:31 AM
  #311  
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Default RE: Howard Engineering - Kwik Fli III – Build

The carb was stuck so tightly that the fuel soaking didn’t help much. Ended up heating it with a hair dryer to free it then soaked it in fuel.

To be continued….
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Old 01-03-2011, 11:39 AM
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Default RE: Howard Engineering - Kwik Fli III – Build

Because the air cylinder goes through the middle of the mount I decided to drill offset holes for the tank lines and move the front of the tank over to one side. This eliminates the bending of the brass tank lines.

To be continued….
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Old 01-03-2011, 11:40 AM
  #313  
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Default RE: Howard Engineering - Kwik Fli III – Build

After the tank was cleaned I made new plumbing for the tank.

To be continued….
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Old 01-03-2011, 11:45 AM
  #314  
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Default RE: Howard Engineering - Kwik Fli III – Build

The offset tank arrangement. I plugged the unused hole in the mount and angle drilled the other two.

To be continued….
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Old 01-03-2011, 03:20 PM
  #315  
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Default RE: Howard Engineering - Kwik Fli III – Build

Leak testing the tank stopper.

To be continued….
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Old 01-03-2011, 03:22 PM
  #316  
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Default RE: Howard Engineering - Kwik Fli III – Build

Going back together.

To be continued….
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Old 01-03-2011, 03:24 PM
  #317  
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Default RE: Howard Engineering - Kwik Fli III – Build

Engine mount in. The mount bolts, bolt to the bind nuts on the tank mount.

To be continued….
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Old 01-03-2011, 03:26 PM
  #318  
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Default RE: Howard Engineering - Kwik Fli III – Build

Bolting the nose gear in.

To be continued….
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Old 01-03-2011, 03:29 PM
  #319  
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Default RE: Howard Engineering - Kwik Fli III – Build

Foam ring installed around back of tank.

To be continued….
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Old 01-03-2011, 03:32 PM
  #320  
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Default RE: Howard Engineering - Kwik Fli III – Build

good to see this one being refreshed.
Old 01-03-2011, 03:37 PM
  #321  
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Default RE: Howard Engineering - Kwik Fli III – Build


ORIGINAL: dhal22

good to see this one being refreshed.
Thanks! It is an “oldie but goodie” in many ways!
Old 01-03-2011, 03:39 PM
  #322  
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Default RE: Howard Engineering - Kwik Fli III – Build

Was able to reuse air lines and used my chain method to pull the lines back in under the servos.

To be continued….
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Old 01-03-2011, 03:42 PM
  #323  
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Default RE: Howard Engineering - Kwik Fli III – Build

Air lines reconnected to the control valve, valve mounted and ready to reinstall the receiver.

To be continued….
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Old 01-03-2011, 03:48 PM
  #324  
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Default RE: Howard Engineering - Kwik Fli III – Build

Installing the Irving 61. I have a couple of NIB Webra 61 Black Heads and the original Black Head used in my first Kwik Fli III and plan to run them some time in the future.

To be continued….
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Old 01-03-2011, 03:51 PM
  #325  
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Default RE: Howard Engineering - Kwik Fli III – Build

Assembling to check the retracts.

To be continued….
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