Matronics Email Lists :: View topic

Matronics Email Lists
Web Forum Interface to the Matronics Email Lists

Get Email Distribution Too! FAQ Search Memberlist Usergroups Register

Profile Log in to check your private messages Log in

Seatbelt hardware

Matronics Email Lists Forum Index -> RV10-List

View previous topic :: View next topic

Author Message

bob88

Joined: 24 Feb 2013
Posts: 99

Posted: Fri May 30, 2014 7:08 am Post subject: Seatbelt hardware

I am finishing the doors and would like to mount the overhead seatbelt hardware in the cabin top hard points before priming the cabin cover. However, not yet sure about the color and source of belts. Is there a standard bolt that connects the shoulder harness to the hard point? Any general advice about seatbelts?

jesse(at)saintaviation.co
Guest

Posted: Fri May 30, 2014 7:27 am Post subject: Seatbelt hardware

It gets a countersunk 5/16" screw. You drill the hold and countersink the cabin top. If you want to mark the hard points, just drill a small hole. Otherwise, you can just wait if you don't cover over the hardpoints and forget where they are. There is no actual hardware that gets mounted to the hardpoints, you just bolt through it.



Jesse Saint

Saint Aviation, Inc.

jesse(at)saintaviation.com

C: 352-427-0285

F: 815-377-3694



On May 30, 2014, at 11:08 AM, bob88 <marty.crooks(at)comcast.net> wrote:



 	  Quote: 	
		   

 

 I am finishing the doors and would like to mount the overhead seatbelt hardware in the cabin top hard points before priming the cabin cover. However, not yet sure about the color and source of belts. Is there a standard bolt that connects the shoulder harness to the hard point? Any general advice about seatbelts?

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=424037#424037

carl.froehlich(at)verizon
Guest

Posted: Fri May 30, 2014 7:41 am Post subject: Seatbelt hardware

A few thoughts:

- I considered the cabin top too thin to do a countersunk screw hard point

for the front shoulder belts.  I added about 1/8" of additional glass,

perhaps a foot square or so, on the inside of the cabin, flared enough at

the edges so it looked ok.

- On the cabin top I squared off the hard point screw head a little, then

used flox in the countersunk hole.  The screw head was just below flush so

some flox is on top.  After sanding I put a thin layer of glass over the top

of the screw head.  After that set some micro to fair everything in.  I was

worried that about the screw head spinning in the countersunk hole when

tightening the harness attach nut and screwing up the paint job.

- I used Hooker Harness for the RV-10 as I had them in my RV-8A and like

them.



Carl



--

woxofswa

Joined: 12 Aug 2008
Posts: 349
Location: AZ

Posted: Fri May 30, 2014 12:38 pm Post subject: Re: Seatbelt hardware

I dremeled slots aligned with the slot in the screw head and embedded a finish nail to prevent the screw from turning.

_________________
Myron Nelson
Mesa, AZ
Flew May 10 2014

speckter(at)comcast.net
Guest

Posted: Fri May 30, 2014 2:05 pm Post subject: Seatbelt hardware

Don't you think Van did his engineering on the belt mount?



Gary



[quote] On May 30, 2014, at 11:40 AM, "Carl Froehlich" <carl.froehlich(at)verizon.net> wrote:

 

 

 

 A few thoughts:

 - I considered the cabin top too thin to do a countersunk screw hard point

 for the front shoulder belts.  I added about 1/8" of additional glass,

 perhaps a foot square or so, on the inside of the cabin, flared enough at

 the edges so it looked ok.

 - On the cabin top I squared off the hard point screw head a little, then

 used flox in the countersunk hole.  The screw head was just below flush so

 some flox is on top.  After sanding I put a thin layer of glass over the top

 of the screw head.  After that set some micro to fair everything in.  I was

 worried that about the screw head spinning in the countersunk hole when

 tightening the harness attach nut and screwing up the paint job.

 - I used Hooker Harness for the RV-10 as I had them in my RV-8A and like

 them.

 

 Carl

 

 --

bwestfall

Joined: 22 Oct 2008
Posts: 131
Location: Portland, OR

Posted: Fri May 30, 2014 2:16 pm Post subject: Seatbelt hardware

Not to mention I think it's been tested a few times as well with adequate

performance for the off field events that were survivable.



-Ben

--

Mauledriver(at)nc.rr.com
Guest

Posted: Fri May 30, 2014 3:49 pm Post subject: Seatbelt hardware

I did the same.



On 5/30/2014 4:38 PM, woxofswa wrote:

 	  Quote: 	
		   



 I dremeled slots aligned with the slot in the screw head and embedded a finish nail to prevent the screw from turning.

do not archive

carl.froehlich(at)verizon
Guest

Posted: Fri May 30, 2014 3:50 pm Post subject: Seatbelt hardware

I always consider Van to have a good design.  I prefer to do such very

simple things to make sure I'm not violating some assumption Van may have

made or that I see as perhaps marginal.  In this case a added a few layers

of glass to make sure in my countersinking zest I did not violate the

assumed depth or purity of the countersink hole.



There are examples however of the Van's design not being adequate.  The

obvious one here are the doors.  If everything works just right there will

be no problem.  It has been demonstrated however that this presents a

practical risk as doors have departed in flight.  For any RV-10 I recommend

installing or back fitting a system like the PlaneAround latch.  Other

common sense things include adding 3/16" tinnermans under the door hinge

screw heads where the mounting screw relies on a thin piece of fiberglass

with a countersink that tends to extend through the material.  One good gust

of wind catching a door and those screw heads might pull through.



But with all such things, we each must do what is needed so that we don't

worry about some aspect of the build every time we hop in the plane.



Carl



--

Mauledriver(at)nc.rr.com
Guest

Posted: Fri May 30, 2014 3:57 pm Post subject: Seatbelt hardware

http://www.mykitlog.com/users/display_log.php?user=MauleDriver&project=224&category=2155&log=111736&row=1

On 5/30/2014 4:38 PM, woxofswa wrote:

 	  Quote: 	
		   



 I dremeled slots aligned with the slot in the screw head and embedded a finish nail to prevent the screw from turning.

Mauledriver(at)nc.rr.com
Guest

Posted: Fri May 30, 2014 4:00 pm Post subject: Seatbelt hardware

Well, I assumed he did but then       extended the thinking to assume that the back seat belts could be       mounted the same way(!?)

       

       So I created two new hardpoints for the rear seat belts by cutting       out a the same size as the original hardpoints.  

       That circle cut thru the outer layer of glass and the honeycomb.        Then I filled in the hole with flox and glassed it over.

       Kitlog

       

       Hope I never have to find out if my engineering assumptions were       sound.

       

       On 5/30/2014 6:04 PM, Gary wrote:

     

     [quote]        	  Quote: 	
		  --> RV10-List message posted by: Gary <speckter(at)comcast.net> (speckter(at)comcast.net)



Don't you think Van did his engineering on the belt mount?



Gary



	
     [b]

flying-nut(at)cfl.rr.com
Guest

Posted: Fri May 30, 2014 5:25 pm Post subject: Seatbelt hardware

For the front seats the 'requirement'       to have the shoulder harness attach point higher than the shoulder       makes the cabin top the only likely fastening point.  For the back       seat that 'requirement' is met by the cable attachment.  The       drawback to the back seat arrangement is that the cable goes       through the baggage compartment.  Moving the attach point to the       aft cabin top .... with suitable hardpoint installed ..... saves       some weight and provides the same safety margin as the front       shoulder harness.  I never gave it much thought or I'd have done       the cabin top mod too.

       Linn .... somewhat late to the party 

       

       On 5/30/2014 8:00 PM, Bill Watson wrote:

     

     [quote]              Well, I assumed he did but then         extended the thinking to assume that the back seat belts could         be mounted the same way(!?)

         

         So I created two new hardpoints for the rear seat belts by         cutting out a the same size as the original hardpoints.  

         That circle cut thru the outer layer of glass and the         honeycomb.  Then I filled in the hole with flox and glassed it         over.

         Kitlog

         

         Hope I never have to find out if my engineering assumptions were         sound.

         

         On 5/30/2014 6:04 PM, Gary wrote:

       

        	  Quote: 	
		            	  Quote: 	
		  --> RV10-List message posted by: Gary <speckter(at)comcast.net> (speckter(at)comcast.net)



Don't you think Van did his engineering on the belt mount?



Gary



	
       

	
       

No virus         found in this message.

         Checked by AVG - www.avg.com

         05/30/14     [b]

Display posts from previous:

	Matronics Email Lists Forum Index -> RV10-List	All times are GMT - 8 Hours
Page 1 of 1

Jump to:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum