SNX-F21 detail E

Discussion for Sonex builders on specific plans page experience. These posts are limited to technical suggestions such as assembly order, challenges, or techniques related to specific plans pages.

SNX-F21 detail E

Postby lstinthot » Sun Jan 01, 2017 3:08 pm

Im working on the upper cross tie bolts that are inside the box. The bolts coming down into the box from inside the plane are what im looking to put the final bolts in. Why do the plans call for AN 7A bolt and 2 washers on each hole? Wouldn't a AN-6A bolt with one washer work good? Are people putting a washer on top and one on bottom? The sites I looked at could not make out these bolts real good.

Thanks
Mike
Scratch building #1604
Tail dragger
Thinking Turbo Aerovee
lstinthot
 
Posts: 103
Joined: Fri Aug 03, 2012 12:11 pm

Re: SNX-F21 detail E

Postby Bryan Cotton » Sun Jan 01, 2017 5:12 pm

Mike,
In my opinion many Sonex callouts are one size long. I have often gone down a size because I am nuts about that sort of thing. But, two washers won't kill anything.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
User avatar
Bryan Cotton
 
Posts: 4953
Joined: Mon Jul 01, 2013 9:54 pm
Location: C77

Re: SNX-F21 detail E

Postby kevinh » Sun Jan 01, 2017 5:52 pm

yep - I used -6 bolts, with two washers on the aft bolt, and one on the forward bolt (because that's what a test fit showed would work). The aft bolt has one less layer of 0.025" to fit through because of how the box is built.
Taildragger Waiex in progress, tail done, wings done, about to mate wings to fuse,
then cowl, canopy, paint (photos): flush rivets, turbo aerovee, acro ailerons
(I built my RV7A and happily flew it for about 500 hrs)
User avatar
kevinh
 
Posts: 369
Joined: Mon Feb 23, 2015 10:46 pm
Location: San Mateo, CA

Re: SNX-F21 detail E

Postby lstinthot » Sun Jan 01, 2017 10:53 pm

That is what I was thinking. I have been putting double washer on many parts.
Scratch building #1604
Tail dragger
Thinking Turbo Aerovee
lstinthot
 
Posts: 103
Joined: Fri Aug 03, 2012 12:11 pm

Re: SNX-F21 detail E

Postby sonex892. » Mon Jan 02, 2017 2:51 am

lstinthot wrote:That is what I was thinking. I have been putting double washer on many parts.


I believe up to 3 washers under the nut is acceptable practice. That said, before starting I had every size needed per the plans. I had to order more hardware to comply with the 3 or less washer rule.

Steve
Sonex 892
Steve
Lazair kit 1981 sold
Sonerai 2LS plansbuilt 2003 sold
Sonex kit 2010
Sonerai 2LS project rotax 912
User avatar
sonex892.
 
Posts: 392
Joined: Tue Oct 27, 2015 12:32 am


Return to Sonex Plans

Who is online

Users browsing this forum: No registered users and 1 guest