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  #11  
Old 12-05-2014, 01:28 PM
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rvbuilder2002 rvbuilder2002 is offline
 
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Location: Hubbard Oregon
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Quote:
Originally Posted by TimO View Post
The issue I posted and pulled the other day is Page 29-07, the F-01444A-L doubler. I wanted to be absolutely sure which part was the "R" and which was the "L" because although I could be 70% sure, a little hint on the plans would have helped a lot. Tech didn't know, but engineering confirmed that the bent edge of F-1444A-L faces AWAY from the part.
Thanks Tim.

Crisp dimples on the battery box are not really needed. All the rivets will be hidden when the battery is installed, and the slightly less than perfect dimple will have zero effect on how flush the rivet is.
This was actually considered for the installation but since the B.Box is more than thick enough, machine countersinking got rid of the other dimpling and countersinking steps required.

All of the other errors you mentioned (and a few other very minor ones you didn't mention) are already known and will be correct soon in a plans update.

The one I quoted above is actually covered. If you look closely at Figure 2 on Page 29-07. It identifies which part is left and right... orientation can be established by the view of the flanges (shown facing you as you look at the figure).

Thanks again.
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

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Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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  #12  
Old 12-07-2014, 01:34 PM
Tom Martin Tom Martin is offline
 
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I am not really sure what the material is that the battery box is made from. It seems a bit softer. Thickness is close to .050. Interestingly I weighed the box vs. the old metal box and it was about 400 grams lighter, almost a FULL pound lighter!
The good news is that it dimpled quite nicely and thus solves the issue for those like myself, that had dimpled the firewall. I think that the dimple will actually be stronger then countersinking the battery box.
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Tom Martin RV1 pilot 4.6hours!
CPL & IFR rated
EVO F1 Rocket 1000 hours,
2010 SARL Rocket 100 race, average speed of 238.6 knots/274.6mph
RV4, RV7, RV10, two HRIIs and five F1 Rockets
RV14 Tail dragger

Fairlea Field
St.Thomas, Ontario Canada, CYQS
fairleafield@gmail.com
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  #13  
Old 12-07-2014, 03:50 PM
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rvbuilder2002 rvbuilder2002 is offline
 
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Quote:
Originally Posted by Tom Martin View Post
I am not really sure what the material is that the battery box is made from. It seems a bit softer. Thickness is close to .050.

The good news is that it dimpled quite nicely and thus solves the issue for those like myself, that had dimpled the firewall.
Tom,
In my previous post, I mentioned that that battery box was made out of .050 thick, 6061-T6.
I pointed out that it was softer material than 2024-T3 and that it should dimple countersink just fine. That is why I recommended that any builder that found them self caught by this plans error, should just dimple the rivet holes in the battery box.

Glad to hear that process did indeed work fine.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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  #14  
Old 12-07-2014, 05:09 PM
Tom Martin Tom Martin is offline
 
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Location: Ontario, Canada
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Scott, yes I see your prior post, and I am not sure why I missed it. My experience countersinking softer material has not always been good. The bottom holes on the tray are going to be tricky to do as the front lip of the box will make it hard to use a countersink tool, machine or by hand.
The material dimpled quite nicely and I believe that just might be the best method for mounting this part.
And can I say it again? "almost one pound lighter!!"
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Tom Martin RV1 pilot 4.6hours!
CPL & IFR rated
EVO F1 Rocket 1000 hours,
2010 SARL Rocket 100 race, average speed of 238.6 knots/274.6mph
RV4, RV7, RV10, two HRIIs and five F1 Rockets
RV14 Tail dragger

Fairlea Field
St.Thomas, Ontario Canada, CYQS
fairleafield@gmail.com
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