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Drilling the Spar Web?

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maca2790

Joined: 26 Jan 2011
Posts: 59
Location: Australia

Posted: Tue Feb 07, 2012 2:47 pm Post subject: Drilling the Spar Web?

Hi, I'm thinking about drilling the Spar web under the co-pilots seat so that I can mount my Safety Trim control box. Has anyone done similar or

have any thoughts on it?



cheers



John MacCallum

Builder 41016

VH-DUU

rv10flyer(at)verizon.net
Guest

Posted: Tue Feb 07, 2012 3:49 pm Post subject: Drilling the Spar Web?

don't drill the spar.

put it on the landing gear mount or somewhere else.



--

carl.froehlich(at)verizon
Guest

Posted: Tue Feb 07, 2012 5:05 pm Post subject: Drilling the Spar Web?

Since most people have the control stick cable going to behind the panel to

connect the other stick switches, this tends to be a better place to mount

the Safety Trim box.  Mine is mounted on the next forward bulkhead, top left

corner.



Carl



--

Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Tue Feb 07, 2012 5:39 pm Post subject: Drilling the Spar Web?

I wouldn't drill it.  But, that plastic high-strength velcro 2" wide 

would work perfectly.



Tim Olson - RV-10 N104CD

do not archive

On 2/7/2012 4:47 PM, maca2790 wrote:

 	  Quote: 	
		   



 Hi, I'm thinking about drilling the Spar web under the co-pilots seat so that I can mount my Safety Trim control box. Has anyone done similar or

 have any thoughts on it?



 cheers



 John MacCallum

 Builder 41016

 VH-DUU





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=365827#365827

robin(at)PaintTheWeb.com
Guest

Posted: Tue Feb 07, 2012 6:13 pm Post subject: Drilling the Spar Web?

Dual Lock is great stuff. I put in in some products I manufacture. It comes in a couple of different interlocking head density as well as in Black or Clear. It can be purchased in any HD / LOWES aviation department or on eBay

Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Tue Feb 07, 2012 6:43 pm Post subject: Drilling the Spar Web?

That's the stuff...it's darn tough. My safety trim is held on by

that stuff, stuck upside down to the bottom of my radio stack.

Tim Olson - RV-10 N104CD

do not archive

On 2/7/2012 8:09 PM, Robin Marks wrote:

[quote] Dual Lock is great stuff. I put in in some products I manufacture. It

 comes in a couple of different interlocking head density as well as in

 Black or Clear. It can be purchased in any HD / LOWES aviation

 department or on eBay.



 http://www.3m.com/product/information/Dual-Lock-Reclosable-Fastener.html



 http://www.ebay.com/itm/3M-CLEAR-DUAL-LOCK-VHB-TYPE-250-1-W-X-6-FT-ROLL-/110811861079?pt=LH_DefaultDomain_0&hash=item19cce6d057#ht_500wt_1156

 <http://www.ebay.com/itm/3M-CLEAR-DUAL-LOCK-VHB-TYPE-250-1-W-X-6-FT-ROLL-/110811861079?pt=LH_DefaultDomain_0&hash=item19cce6d057#ht_500wt_1156>



 Description: reclosable fastener



 Robin



 --

jump2(at)sbcglobal.net
Guest

Posted: Wed Feb 08, 2012 5:13 am Post subject: Drilling the Spar Web?

Here's where a couple of us put it. Be sure to clean up holes. 



Patrick Thyssen

N15PT



--- On Tue, 2/7/12, maca2790 <vk2gcn(at)cirruscomms.com.au> wrote:

 	  Quote: 	
		  

From: maca2790 <vk2gcn(at)cirruscomms.com.au>

Subject: Drilling the Spar Web?

To: rv10-list(at)matronics.com

Date: Tuesday, February 7, 2012, 4:47 PM



--> RV10-List message posted by: "maca2790" <[url=/mc/compose?to=vk2gcn(at)cirruscomms.com.au]vk2gcn(at)cirruscomms.com.au[/url]>



Hi, I'm thinking about drilling the Spar web under the co-pilots seat so that I can mount my Safety Trim control box. Has anyone done similar or

have any thoughts on  it?



cheers



John MacCallum

Builder 41016

VH-DUU





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=365827#365827



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maca2790

Joined: 26 Jan 2011
Posts: 59
Location: Australia

Posted: Thu Feb 09, 2012 1:40 pm Post subject: Re: Drilling the Spar Web?

Thank you Patrick for the photos. That's is precisely the sort of thing I was thinking about doing.  I asked Vans about drilling the Web and they seemed to think it would be ok as long as the holes were small and not great in number. I think 4 x #19 holes would qualify in that respect.



As for the 3M Velcro I think that Idea has merit as well. I have actually got some here that I had used to mount a Remote Control Head for a Ham radio in my SUV. It worked well for about 8 months and then the Sun eventually melted the glue and it fell off. (it gets hot in Aussie) I still can't get the glue off the Dashboard   



thank you all



John MacCallum

Builder 41016

VH-DUU

jchang10

Joined: 05 Jul 2006
Posts: 227

Posted: Thu Feb 09, 2012 2:10 pm Post subject: Re: Drilling the Spar Web?

Instead of drilling new holes, i first try using any existing holes. Thus, I used the existing spar attach bolts to attach a small shelf for holding all my control stick wiring and connections, which worked out well.



Unfortunately, i can't find photos of my install. FWIW.



Jae

_________________
#40533 RV-10
First flight 10/19/2011
Phase 1 Done 11/26/2011

Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Thu Feb 09, 2012 2:51 pm Post subject: Drilling the Spar Web?

Hey John,



While I suggested the velcro, and think it could be perfect

for the use, I have one more thing for a thinking point.

If you do use velcro, pay close attention to the overall

installation. Remember that your controls are under the seat

as well.  So ANYTHING you put under the seat, be wary that

it's secured in such a way that if it breaks free it can't

jam the controls.  I'd be fine using velcro, but, you

probably should put a cable clamp on the harness, perhaps

secured with an adel clamp to the gear leg mount or something.

That way if it does break free, it can't get near the stick.



Just wanted to keep that thinking point out there because

anytime you do anything around the control surfaces, be

extra careful. That goes for people putting things down the

center tunnel as well.



Tim Olson - RV-10 N104CD

do not archive

On 2/9/2012 3:40 PM, maca2790 wrote:

 	  Quote: 	
		   

 "maca2790"<vk2gcn(at)cirruscomms.com.au>



 Thank you Patrick for the photos. That's is precisely the sort of

 thing I was thinking about doing.  I asked Vans about drilling the

 Web and they seemed to think it would be ok as long as the holes were

 small and not great in number. I think 4 x #19 holes would qualify in

 that respect.



 As for the 3M Velcro I think that Idea has merit as well. I have

 actually got some here that I had used to mount a Remote Control Head

 for a Ham radio in my SUV. It worked well for about 8 months and then

 the Sun eventually melted the glue and it fell off. (it gets hot in

 Aussie) I still can't get the glue off the Dashboard  



 thank you all



 John MacCallum Builder 41016 VH-DUU

maca2790

Joined: 26 Jan 2011
Posts: 59
Location: Australia

Posted: Thu Feb 09, 2012 3:49 pm Post subject: Re: Drilling the Spar Web?

Good point Tim. I was also thinking of trying to make some sort of bracket that I could hang off the cover plate that is under the seat. 

Maybe something coming off  the existing bolts on the Undercarriage mounts would be good as well. I will have a think about it.



Another thought I just had is to make some sort of tray arrangement  so that the tray captures anything that falls off before it falls onto the control rods.

thanks all again.



John MacCallum

Builder 41016

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