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  #21  
Old 08-25-2016, 01:19 PM
rvsxer rvsxer is offline
 
Join Date: May 2007
Location: Inver Grove Hgts, MN
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Quote:
Originally Posted by F1Boss View Post
Hey Tim:

Do you see the SS locknut on the bottom of the cap? This sets the 'squish' on the O ring. Sounds like yours are a bit loose - tighten slightly until you get the seal you want.

Carry on!
Mark
This is a common misconception, at least regarding the original Van's fuel caps. You loosen the nut and turn the lower half of the cap assy to adjust the seal, then tighten the jam nut again.
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  #22  
Old 08-25-2016, 01:57 PM
rvbuilder2002 rvbuilder2002 is offline
 
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Location: Hubbard Oregon
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Originally Posted by rvsxer View Post
This is a common misconception, at least regarding the original Van's fuel caps. You loosen the nut and turn the lower half of the cap assy to adjust the seal, then tighten the jam nut again.
Correct (unless you are still using the early design of the cap, it adjusted with just the nut), but the caps being discussed here are not the Usher Enterprises caps that have been commonly used on all the other RV models.
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  #23  
Old 10-11-2016, 02:39 PM
TimO TimO is offline
 
Join Date: Feb 2005
Location: Wisconsin
Posts: 446
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Just bringing this conversation back up to give the news that the place that's doing the new aluminum top pieces has now produced a test piece, then reworked it a little and produced another one that works great. They're headed away for a couple weeks but then will do one out of aluminum and it sounds like it won't be too awful long and they may be available.
Everyone who gets the standard fuel filler neck will still have and probably need their old caps anyway, so go ahead and build on, but if you are hoping for aluminum and engraved, it looks like it will happen.
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RV-10 N104CD - Flying 2/2006 - 1375+ hours http://www.MyRV10.com
RV-14 N14YT - Flying 6/2016 - 300+ hours http://www.MyRV14.com
RV-10/14 Transition Training: http://www.RVCFI.com
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  #24  
Old 10-11-2016, 02:57 PM
jswareiv jswareiv is offline
 
Join Date: Dec 2006
Location: New Orleans, LA
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Quote:
Originally Posted by TimO View Post
Just bringing this conversation back up to give the news that the place that's doing the new aluminum top pieces has now produced a test piece, then reworked it a little and produced another one that works great. They're headed away for a couple weeks but then will do one out of aluminum and it sounds like it won't be too awful long and they may be available.
Everyone who gets the standard fuel filler neck will still have and probably need their old caps anyway, so go ahead and build on, but if you are hoping for aluminum and engraved, it looks like it will happen.
Great, thanks Tim, please keep us posted.
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  #25  
Old 11-08-2016, 09:43 AM
TimO TimO is offline
 
Join Date: Feb 2005
Location: Wisconsin
Posts: 446
Default New RV-14 Fuel Cap Tops by Aerosport

Hey All, it's a great day for showing off something new that I've been waiting for...

Aerosport Products is the place that did that did the machined, engraved, aluminum tops to replace the "el' cheapo" looking plastic tops of your fuel caps. http://www.aerosportproducts.com/about.htm

I received my set of aluminum tops yesterday and they fit perfectly!

Note: You replace just the tops of your old fuel caps, keeping all of the other parts. The new caps they are planning to have pre-engraved with "100 LL only 25 US Gal" to help you comply with marking requirements for your inspection. The N-Number engraving I had done is extra, because that will require the fuel caps to be taken back for machining and a machine setup would be required for that. You'll want to talk to Aerosport for the details.

Geoff didn't tell me to do this but... if you have interest in them, maybe give them a call or email just to let them know. It may be nice for them to get an idea of how many people may be wanting them before they fire up for a production run. It could prevent delays in the event that there are many.

I'm very happy with how they turned out. They look so much better than the plastic, and maybe now they won't blow off my wings when I'm fueling up. I'm going to keep them unpainted, especially since they are engraved.
The engraving of the N-Number is a nice touch. If you ever lose a fuel cap, maybe the finder will have a way to track your address down and send it back to you.

Anyway, here are some pics! (I have larger ones on my website)









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RV-10 N104CD - Flying 2/2006 - 1375+ hours http://www.MyRV10.com
RV-14 N14YT - Flying 6/2016 - 300+ hours http://www.MyRV14.com
RV-10/14 Transition Training: http://www.RVCFI.com
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  #26  
Old 11-08-2016, 10:04 AM
Ron B. Ron B. is offline
 
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Location: Yarmouth, Nova Scotia
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Looks good Tim, I was planning on purchasing a spare plastic one incase I lost one, now I will probably give Geoff a call. Have you tested them in a roll to see if they are tight yet?
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  #27  
Old 11-08-2016, 11:20 AM
rvbuilder2002 rvbuilder2002 is offline
 
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Quote:
Originally Posted by TimO View Post
The engraving of the N-Number is a nice touch. If you ever lose a fuel cap, maybe the finder will have a way to track your address down and send it back to you.
Along with a bill for the replacement windshield for their Corvette......
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  #28  
Old 11-08-2016, 01:10 PM
TimO TimO is offline
 
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Hey Ron,
No, I haven't rolled with them yet. Maybe this week if I can get out of work.
I miss Daylight saving's time. It gets dark too early after work these days.
I don't expect any issues, because the stem seal doesn't fit inside a real capture groove on them around the stem (on either the plastic or aluminum). So they should seal the same as the original. The o-ring groove for the big o-ring is also identical and fits nicely. So if they leak it'll just mean I have to tighten the nut again like I did on the plastic ones. One day I'll have to measure up for o-ring sizes so that I can keep a couple of o-ring spares for the caps on hand. If I find some that are right, I'll post it here. It would be a good idea for us all to have spare o-rings handy over the years. I'll look for viton ones. I'm also going to get some replacement nuts. I haven't sized them yet but I believe they are probably metric. Wouldn't hurt to have spare nylock nuts on hand.
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RV-10 N104CD - Flying 2/2006 - 1375+ hours http://www.MyRV10.com
RV-14 N14YT - Flying 6/2016 - 300+ hours http://www.MyRV14.com
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  #29  
Old 11-08-2016, 02:18 PM
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rmartingt rmartingt is offline
 
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Location: Savannah, GA
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Quote:
Originally Posted by TimO View Post
The new caps they are planning to have pre-engraved with "100 LL only 25 US Gal" to help you comply with marking requirements for your inspection.
I'd be careful with that marking, especially since it would be engraved and not easily changeable. If an unleaded avgas ever comes along I think you'd technically be violating your placards by using it. And anyone running mogas would also technically be violating it.

IMHO a better marking would be "XX gal XXX min octane" or something like that.
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  #30  
Old 11-13-2016, 12:05 PM
TimO TimO is offline
 
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Hey Ron,

Yesterday I did get a chance to roll test the new caps, with full fuel tanks and only me aboard. No leakage at all. Very happy now. It was a windy day too, and they didn't blow off the wing anymore.
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RV-10 N104CD - Flying 2/2006 - 1375+ hours http://www.MyRV10.com
RV-14 N14YT - Flying 6/2016 - 300+ hours http://www.MyRV14.com
RV-10/14 Transition Training: http://www.RVCFI.com
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