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-7 tipup F-721A: When??

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ceengland(at)bellsouth.ne
Guest

Posted: Mon Jun 16, 2008 7:04 pm Post subject: -7 tipup F-721A: When??

Those who have gone before,



When is it ok to rivet the F-721A's ('forward canopy deck',  (at) 

instrument panel) to the longerons? I've fit all the stuff related to 

the F-768 sub panel components but I'm waiting (as the instructions say 

you can) to rivet that assembly into the fuselage. I'm ready to start 

fitting the canopy frame, but that ain't happening unless I either rivet 

the F-721A's to the longerons or take them out completely.



The earlier instructions describe 'fitting' them, but don't specify 

actually riveting them in place.

Thanks,



Charlie

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ceengland(at)bellsouth.ne
Guest

Posted: Tue Jun 17, 2008 10:35 am Post subject: -7 tipup F-721A: When??

Charlie England wrote:

 	  Quote: 	
		   



 Those who have gone before,



 When is it ok to rivet the F-721A's ('forward canopy deck',  (at) 

 instrument panel) to the longerons? I've fit all the stuff related to 

 the F-768 sub panel components but I'm waiting (as the instructions 

 say you can) to rivet that assembly into the fuselage. I'm ready to 

 start fitting the canopy frame, but that ain't happening unless I 

 either rivet the F-721A's to the longerons or take them out completely.



 The earlier instructions describe 'fitting' them, but don't specify 

 actually riveting them in place.

 Thanks,



 Charlie 


	


OK, I know that Van's engineers won't apologize for the terrible 

nomenclature, so I will. I'm sorry that Van named 2 little 4" x 12" 

triangles 'forward canopy decks'.



These are the pieces that rivet to the top of the top longerons from 

about 2" aft of the instrument panel, where they are only an inch wide, 

up to the 'sub panel' where they are about 4 " wide.



I have no intention of riveting the upper structure & forward skin yet. 

But, clecos holding these F-721A's on the longerons interfere with 

fitting the canopy frame. I'm trying  to determine whether I'm supposed 

to go ahead with riveting these 2 small pieces so I can fit the canopy, 

& not interfere with anything else in the process.



Thanks,



Charlie

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frank.hinde(at)hp.com
Guest

Posted: Tue Jun 17, 2008 11:11 am Post subject: -7 tipup F-721A: When??

I think mine were rivetted to the longerons in the QB kit but I left clecos in on the sub panel until I was sure it wasn't coming out again.



Pretty much this means you have to have all the structure that is going to support your radios complete.



Frank

Rv7a



--

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david.nelson(at)pobox.com
Guest

Posted: Tue Jun 17, 2008 11:19 am Post subject: -7 tipup F-721A: When??

Hi Charlie,

I'm at this point (building/installing the canopy frame) so I can't 

accurately say "go for it".

In my case, I riveted the forward canopy decks several weeks ago only to 

realize that I needed to attach the tabs that in turn attach to the 

instrument panel.  It was not very difficult to fit and rivet those tabs 

into place.  The inboard tabs were reachable w/ a pneumatic squeezer and a 

longeron yoke; the top tabs were reachable with an "L" shaped bucking bar.

I think that the only other item that could cause some heartburn is the 

possibility of adding a dimmer for a map light or something similar.

Some suggestions:

- Can you cleco from underneath (even if for just a few holes)?  Not sure 

if the clecos will stand a little too tall.

- Maybe rivet using 2 or 3 rivets.  That way if you need to remove it, 

drilling out 2 or 3 rivets is a much easier exercise.

Here's hoping I don't run into any problems! 

Good luck,

 	 /\/elson

 	 RV-7A "tip-up"

 	 Austin, TX

~~  Lately my memory seems to be like a steel trap .... without any spring.  ~~

On Tue, 17 Jun 2008, Charlie England wrote:

 	  Quote: 	

 Charlie England wrote:

> 

> 

> Those who have gone before,

> 

> When is it ok to rivet the F-721A's ('forward canopy deck',  (at) instrument 

> panel) to the longerons? I've fit all the stuff related to the F-768 sub 

> panel components but I'm waiting (as the instructions say you can) to rivet 

> that assembly into the fuselage. I'm ready to start fitting the canopy 

> frame, but that ain't happening unless I either rivet the F-721A's to the 

> longerons or take them out completely.

> 

> The earlier instructions describe 'fitting' them, but don't specify 

> actually riveting them in place.

> Thanks,

> 

> Charlie 

 OK, I know that Van's engineers won't apologize for the terrible 

 nomenclature, so I will. I'm sorry that Van named 2 little 4" x 12" triangles 

 'forward canopy decks'.

 These are the pieces that rivet to the top of the top longerons from about 2" 

 aft of the instrument panel, where they are only an inch wide, up to the 'sub 

 panel' where they are about 4 " wide.

 I have no intention of riveting the upper structure & forward skin yet. But, 

 clecos holding these F-721A's on the longerons interfere with fitting the 

 canopy frame. I'm trying  to determine whether I'm supposed to go ahead with 

 riveting these 2 small pieces so I can fit the canopy, & not interfere with 

 anything else in the process.

 Thanks,

 Charlie

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ceengland(at)bellsouth.ne
Guest

Posted: Tue Jun 17, 2008 6:14 pm Post subject: -7 tipup F-721A: When??

Frank mentioned that they come riveted in the QB, so that probably means 

it's safe to go ahead with riveting.



Cleco from below might work; I also like the idea of just riveting a 

couple of holes. I hadn't thought of that. That would give the 'best of 

both worlds'.



Thanks!



Charlie



David E. Nelson wrote:

 	  Quote: 	
		   

 <david.nelson(at)pobox.com>

 Hi Charlie,



 I'm at this point (building/installing the canopy frame) so I can't 

 accurately say "go for it".



 In my case, I riveted the forward canopy decks several weeks ago only 

 to realize that I needed to attach the tabs that in turn attach to the 

 instrument panel.  It was not very difficult to fit and rivet those 

 tabs into place.  The inboard tabs were reachable w/ a pneumatic 

 squeezer and a longeron yoke; the top tabs were reachable with an "L" 

 shaped bucking bar.



 I think that the only other item that could cause some heartburn is 

 the possibility of adding a dimmer for a map light or something similar.



 Some suggestions:



 - Can you cleco from underneath (even if for just a few holes)?  Not 

 sure if the clecos will stand a little too tall.



 - Maybe rivet using 2 or 3 rivets.  That way if you need to remove it, 

 drilling out 2 or 3 rivets is a much easier exercise.



 Here's hoping I don't run into any problems! 



 Good luck,



      /\/elson

      RV-7A "tip-up"

      Austin, TX

 ~~  Lately my memory seems to be like a steel trap .... without any 

 spring.  ~~



 On Tue, 17 Jun 2008, Charlie England wrote:



> 

> <ceengland(at)bellsouth.net>

>

> Charlie England wrote:

>> 

>> <ceengland(at)bellsouth.net>

>>

>> Those who have gone before,

>>

>> When is it ok to rivet the F-721A's ('forward canopy deck',  (at) 

>> instrument panel) to the longerons? I've fit all the stuff related 

>> to the F-768 sub panel components but I'm waiting (as the 

>> instructions say you can) to rivet that assembly into the fuselage. 

>> I'm ready to start fitting the canopy frame, but that ain't 

>> happening unless I either rivet the F-721A's to the longerons or 

>> take them out completely.

>>

>> The earlier instructions describe 'fitting' them, but don't specify 

>> actually riveting them in place.

>> Thanks,

>>

>> Charlie 

>

> OK, I know that Van's engineers won't apologize for the terrible 

> nomenclature, so I will. I'm sorry that Van named 2 little 4" x 12" 

> triangles 'forward canopy decks'.

>

> These are the pieces that rivet to the top of the top longerons from 

> about 2" aft of the instrument panel, where they are only an inch 

> wide, up to the 'sub panel' where they are about 4 " wide.

>

> I have no intention of riveting the upper structure & forward skin 

> yet. But, clecos holding these F-721A's on the longerons interfere 

> with fitting the canopy frame. I'm trying  to determine whether I'm 

> supposed to go ahead with riveting these 2 small pieces so I can fit 

> the canopy, & not interfere with anything else in the process.

>

> Thanks,

>

> Charlie

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