REFLECTOR: Float Balls and U-cup seals

Tue Oct 30 09:37:58 CDT 2007

I had to assemble the reservoir to the pack with a oil resistant 
silicone to stop mine from leaking.  As I remember there is a large "O" 
ring but it doesn't do the job.

Scott

Chuck Jensen wrote:
> I've had a smallish hydraulic leak under the power pack and it appears 
> that the leak is located just below the service port were the 2 halves 
> of the reservoir join.  The leakage occurred only while the gear was 
> being operated (obviously) and stopped, or nearly so, once the level 
> fell below the joint.  Having no first hand (or second hand for that 
> matter) experience with the power pack, is there a gasket or seal in 
> this area that is repairable?
> 
> Chuck Jensen
> 
> -----Original Message-----
> *From:* reflector-bounces at tvbf.org 
> [mailto:reflector-bounces at tvbf.org]*On Behalf Of *Jim Agnew
> *Sent:* Monday, October 29, 2007 5:01 PM
> *To:* Velocity Aircraft Owners and Builders list
> *Subject:* Re: REFLECTOR: Float Balls and U-cup seals
> 
> True, however since I machine titanium I could have recommended it for 
> more durability<G>
>  
> Jim
>  
> James F. Agnew
> Jim_Agnew_2 at Yahoo.Com
> Tampa, FL
> Velocity 173 Elite Aircraft Completed & Flying
> 
> 
> ----- Original Message ----
> From: Chuck Jensen <cjensen at dts9000.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Sent: Monday, October 29, 2007 3:13:13 PM
> Subject: Re: REFLECTOR: Float Balls and U-cup seals
> 
> Jim,
>  
> That would certainly work too, but way too clean and sophisticated.  No 
> shade tree mechanic or McGiver component to your solution.  :-)
>  
> Chuck Jensen
> 
>  
>  -----Original Message-----
> *From:* reflector-bounces at tvbf.org 
> [mailto:reflector-bounces at tvbf.org]*On Behalf Of *Jim Agnew
> *Sent:* Monday, October 29, 2007 10:21 AM
> *To:* Velocity Aircraft Owners and Builders list
> *Subject:* Re: REFLECTOR: Float Balls and U-cup seals
> 
> Or take a piece of aluminum rod or rivet that is a tight fit and drill a 
> 1/16" hole and push the resulting item into the fitting.
> Jim
>  
> James F. Agnew
> Jim_Agnew_2 at Yahoo.Com
> Tampa, FL
> Velocity 173 Elite Aircraft Completed & Flying
> 
> 
> ----- Original Message ----
> From: Chuck Jensen <cjensen at dts9000.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Sent: Monday, October 29, 2007 10:31:01 AM
> Subject: Re: REFLECTOR: Float Balls and U-cup seals
> 
> It works. This weekend I took the two little red fuel balls that I 
> bought from Vance Atkinson, a new chunk of polyurethane hose (ACS) and a 
> stainless steel scubbing pad (Kroger) and undertook fixing my fuel sight 
> indicators.  I stuffed the top and bottom 90L fittings with stainless 
> curly-cues and then cut to length and marked 3/4, 1/2, 1/4 fuel levels 
> on the new tube with a Sharpie (transferred from the cloudy tube that 
> was removed).  Attached the tube bottom, dropped in the ball, attached 
> the top and called it good.
> 
> When I leveled the plane and the fuel flowed back into the right tank, 
> the fuel level as immediately obvious.  A secondary benefit was rocking 
> the plane resulted in a very muted sloshing in the sight glass...maybe 
> 1/2" up/down.  Prior to packing the fittings with SS curls, the fuel 
> would slosh up/down 2"-3"--big improvement.
> 
> The only follow up suggestion is that it is simply impossible to pack 
> too many SS curls into the fitting.  No matter how much one packs them, 
> it will not block off the fuel from the sight tube but will sharply mute 
> sloshing.  The only word of caution; it's probably not possible to jam 
> the curls around the 90L of the fitting and into the tank, but use long 
> curls and good common sense and no problems should be encountered.
> 
> Chuck
> 
> 
> -----Original Message-----
> From: reflector-bounces at tvbf.org <mailto:reflector-bounces at tvbf.org> 
> [mailto:reflector-bounces at tvbf.org <mailto:reflector-bounces at tvbf.org>]On
> Behalf Of Bob Kuc
> Sent: Sunday, October 14, 2007 10:59 PM
> To: 'Velocity Aircraft Owners and Builders list'
> Subject: Re: REFLECTOR: Float Balls and U-cup seals
> 
> 
> You can try mixing a little micro, stick in a BB and you will have your self
> a float.  Make it a tear drop or round and just grind away to the size you
> want.  Add a florescent pigment to the micro and it will shine if you use an
> LED light or any other light.
> 
> 
> Bob Kuc
> (727)418-3370
> 
> -----Original Message-----
> From: reflector-bounces at tvbf.org <mailto:reflector-bounces at tvbf.org> 
> [mailto:reflector-bounces at tvbf.org <mailto:reflector-bounces at tvbf.org>] On
> Behalf Of Tom
> Sent: Sunday, October 14, 2007 8:16 PM
> To: reflector at tvbf.org <mailto:reflector at tvbf.org>
> Subject: REFLECTOR: Float Balls and U-cup seals
> 
> Thx Chuck, another good suggestion. While I've been playing with this I've
> also had 3 other possible float types submerged in avgas. A shellaced wooden
> bead, another bead with paint, fishing bobbers (little painted suckers with
> hooks (removed), also,  regular cork plus another cork painted. By the way,
> all of these items listed are perfect size--will fit in 3/8 hose but too
> large to get stuck in brass fuel fiitings. Both wooden beads sunk by day
> 3(the paint held up OK). The fishing bobbers started to disintegrate by day
> 5 (I thought they were cork but looks now like they were a closed cell
> foam). Both regular corks are doing super-even the unpainted one has not
> absorbed any gas, swelled or lost any buoyancy. Guess this makes sense as
> many older aircraft had cork floats in the fuel systems. Anyhow, I've
> trimmed two corks to the perfect size and have painted them bright orange. I
> will try these out in the sight tubes and check them every day for a couple
> of weeks to make sure there are no issues. Tom
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery user:pw = tvbf:jamaicangoose Check
> new archives: www.tvbf.org/pipermail Check old archives:
> http://www.tvbf.org/archives/velocity/maillist.html
> 
> _______________________________________________
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> 
> _______________________________________________
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> 
> 
> 
> -----Inline Attachment Follows-----
> 
> _______________________________________________
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery <http://www.tvbf.org/gallery>
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail <http://www.tvbf.org/pipermail>
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html

-- 

-
     "Just because I sound like an idiot doesn't mean I agree with the 
president."....from an ad on Air America Radio