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  #1  
Old 01-23-2018, 08:49 PM
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digidocs digidocs is offline
 
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Question Hole size for fuel tank repair/access panel kit

Hi there,

Does anyone happen to know the size of the hole that is cut in the rear baffle for use with the Van's fuel tank repair/access panel kit? Looking to track down an appropriate hole saw...

Thanks!
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  #2  
Old 01-23-2018, 09:16 PM
Scott Hersha Scott Hersha is online now
 
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Try this part number and then call Vans ands ask the what size the hole is.

http://vansaircraft.com/cgi-bin/stor...roduct=t-cover
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Old 01-23-2018, 09:29 PM
bluskydreamin bluskydreamin is offline
 
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Default hole saw size

I used a 4.5 inch hold saw for the baffle with Vans's repair kit. worked great.
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Old 01-23-2018, 09:50 PM
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RVbySDI RVbySDI is offline
 
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Don't remember the size but if you buy an adjustable hole saw like this one (https://www.amazon.com/General-Tools...table+hole+saw)
you will have whatever size you need.
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Old 01-24-2018, 02:40 AM
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Quote:
Originally Posted by bluskydreamin View Post
I used a 4.5 inch hold saw for the baffle with Vans's repair kit. worked great.
Same here. It was in stock and the largest size sold by our local ACE hardware store.
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Old 01-24-2018, 02:43 AM
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Quote:
Originally Posted by RVbySDI View Post
Don't remember the size but if you buy an adjustable hole saw like this one (https://www.amazon.com/General-Tools...table+hole+saw)
you will have whatever size you need.
Using one of these circle cutter tools on the rear baffle of a tank with a hand held drill would be rather sporty.

The circle cutters work well when the work can be clamped on a drill press table.
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Old 01-24-2018, 07:41 AM
dlloyd3 dlloyd3 is offline
 
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Helped work on tanks for a 9. Think 5" was the hole size. Bought a hole saw set from Harbor Freight for about $15. Cheaply made but you only use it for this. First cut a piece for 1/2" plywood to center the hole on the back flange, cut hole in the plywood. You now have a jig to hold the saw where you wish to cut the hole in the tank.
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Old 01-24-2018, 08:36 AM
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Quote:
Originally Posted by az_gila View Post
Using one of these circle cutter tools on the rear baffle of a tank with a hand held drill would be rather sporty.

The circle cutters work well when the work can be clamped on a drill press table.
Gil is spot on! I have been fabricating in metal for many years, many and "sporty" made me laugh and is putting it mildly...HAHA
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Old 01-24-2018, 08:41 AM
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RVbySDI RVbySDI is offline
 
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Quote:
Originally Posted by az_gila View Post
Using one of these circle cutter tools on the rear baffle of a tank with a hand held drill would be rather sporty.

The circle cutters work well when the work can be clamped on a drill press table.
Exactly what I did. Removed the tank from the plane. Secured it to the drill press and drilled the holes. I will not say it was "Easy Peazy" but it was uneventful.
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  #10  
Old 01-24-2018, 10:32 AM
pa38112 pa38112 is offline
 
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This hole saw is your best ticket: It cuts a very nice "machined" hole with no risk of damaging the metal. You will have to cut the back half off to fit within the tank web, but I would not do it any other way. I cut all of my holes in 2 minutes and they were perfect. No rough edges, no saw digging-in, no wobbling or fighting the alignment.

https://www.amazon.com/dp/B00VHY6TOO..._HolAAb4KBGYCW
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