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  #1  
Old 11-06-2017, 04:29 PM
Jets410 Jets410 is offline
 
Join Date: Aug 2014
Location: Columbia
Posts: 10
Default Why non-Van's fuel/brake line, windows, brakes, etc? (delete kit parts)

Hi All-
I've read up a bit on this subject but something still eludes me as a non-engineer (a clinical human factors guy), first-time builder who is usually happy with "typical": Why do many folks delete kit parts and substitute aftermarket parts? I can deduce "it works better" or "it looks better" and even "it installs better", but most of that isn't clearly stated in the threads. As in a few other threads, I'm ready to pull the trigger on my QB wings & fuse, but keep finding stuff that people typically swap out. I've deduced most folks get the Andair fuel valve for looks and function. Ok I'm sold (and there's a picture on Van's site). But how about the following; WHY do you swap the following from Van's stock?

Fuel lines (and associated connectors, hardware, etc)
Brake lines (and hardware)
Brake parts (seems Matco is a beefier product?)
Windows and light/lens plexiglass

Please add your $.02, why you swapped something and who you went with.
Thanks,
-Scott
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  #2  
Old 11-06-2017, 05:23 PM
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MauleDriver MauleDriver is offline
 
Join Date: Aug 2006
Location: Lake Ridge Aero Park - Durham NC
Posts: 154
Default

You kind of answered your own question; some alternatives are perceived to be better by some people, some of the time.

Another version of the same answer is that there is a certain minimalism in Vans design and engineering choices - very much to his/their credit. That's what makes it affordable and what makes them perform.

In kit plane land, making decisions about this stuff is where much of the fun is. You can go stock or you can go full Monty. Get carried away and you might even earn a scolding from Van himself (look it up).

Rest assured that if you build it stock, the finished product will out perform your dreams. That's what makes this particular product line so darn good. Tweak it a bit with some intelligence, and you can make it even better. Get carried away and you'll probably still enjoy yourself.

Good place to be eh?
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  #3  
Old 11-06-2017, 05:33 PM
togaflyer togaflyer is offline
 
Join Date: Apr 2013
Location: Cleveland Ga
Posts: 380
Default

This is why I went with the other options.

The bradded fuel and brake lines are easier to work with and less chance of Leakage. They offer greater safety.

The Dresser windows etc, so much easier to work with, very little trimming needed. Better quality, not much more in cost.

Matco brakes, little heavier, but they will stop you.
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  #4  
Old 11-06-2017, 05:57 PM
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aturner aturner is offline
 
Join Date: Jan 2005
Location: Clarion, Pennsylvania
Posts: 481
Default

Builders who choose to substitute parts will offer rationalizations, but IMHO the real answer to your question lies more in the human psychology of spending and purchasing and perceived value, and less in the the realm of rational decision making.
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  #5  
Old 11-06-2017, 06:56 PM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 719
Default Because

Because, for example, being able to stop is a psychologically perceived value?

The physics are there, as well as real world examples...the aftermarket brakes WILL perform better than the stock ones...

I will grant you that there are some "upgrades" that are done more for a perceived value but there are some that do actually work better...another example is the Plane Around third latch. Does the stock one work? Yes. Does the Plane around work better? Most people here would answer with a resounding "yes".
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Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
Doors - Done
On Gear
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  #6  
Old 11-06-2017, 07:39 PM
leok leok is offline
 
Join Date: Apr 2013
Location: Clarkston, MI
Posts: 162
Default choices

In my view the question of building with Vanís vs. aftermarket parts comes from multiple lines of thought.

Appearance. The Andair fuel valve looks cool.

Ease of building. Flexible fuel and brake lines are easier than rigid tube to install.

Comforts. Air conditioning, interior, insulation etc. add creature comforts

Differentiation. Make my plane my own

Future maintenance issues. Axel extensions.

Safety robustness. Door latch mods.

None of this is needed if what you want is a basic utilitarian aircraft. Every modification will add cost, and in many cases, build time and complexity.

The great thing is that the choices are yours to make.
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  #7  
Old 11-06-2017, 08:19 PM
alpinelakespilot2000 alpinelakespilot2000 is offline
 
Join Date: Jan 2005
Posts: 3,374
Default

Because some want to spend $90K instead of $60K on their build.
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  #8  
Old 11-06-2017, 08:22 PM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 719
Default HAHA

An RV-10 for $60k
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Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
Doors - Done
On Gear
290 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful

Dues Paid 2016,...Thanks DR+
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  #9  
Old 11-06-2017, 08:40 PM
alpinelakespilot2000 alpinelakespilot2000 is offline
 
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Quote:
Originally Posted by rocketman1988 View Post
An RV-10 for $60k
Oops. Didn't notice it was a -10 thread. I'm sure the same principle applies though.
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  #10  
Old 11-07-2017, 02:24 AM
Machsandy Machsandy is offline
 
Join Date: Dec 2013
Location: England
Posts: 21
Default

Our RV10 is based in the UK and we bought it completed. It was built using stock parts other than the door handles, ours has door locks.

The only after market part we have fitted is a Matco nosewheel axle. The Vans axle is very vulnerable to having insufficient torque and then it spins damaging the fork.

The Matco axle has a separate retaining nut to prevent rotation. So that is the only change we have made in 4 years of oerating a stock aeroplane
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