REFLECTOR: air in break line

[Lawrence Epstein]

I ran aluminum tubing from the master cylinders up to the gear bulkhead then
SS braided teflon hose from there down the legs to the brakes.

Larry Epstein

On Mon, Apr 18, 2011 at 12:30 PM, Barry Gibbons <gibbons at as.net> wrote:

>  I have the older brakes and using nylo.
>
> Barry
>
>
>
> -----Original Message-----
> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] *On
> Behalf Of *Peter Braswell
> *Sent:* Monday, April 18, 2011 8:46 AM
> *To:* Velocity Aircraft Owners and Builders list
>  *Subject:* Re: REFLECTOR: air in break line
>
>
>
> By chance is the Toe Brake set up easier/harder than the older style brake
> system?
>
>
>
> I was also wondering how many builders opted for stainless lines instead of
> the nylo-flow and what parts they used - did you plumb the whole system
> w/stainless or just the chunk that runs down the gear leg?  Nylo verses
> stainless was a big issue on the Glastar also.  Lot's of builders went with
> the SS while I just stuck with the nylo and I've never had a problem.
>
>
>
> Peter
>
>
> --------------------------------------------------------------
> Check out:
>
> *"It's a Jungle Up There": www.zuluworks.com*
>
> *Selling your Airplane?* : www.fly-mart.com
>
> *Great Aviation Gear: www.sky-gadgets.com*
> My blog: www.icekreamkoan.com
> --------------------------------------------------------------
>
>
>
>  On Mon, Apr 18, 2011 at 11:38 AM, <nmflyer1 at aol.com> wrote:
>
> Right again Jim,
>
>
>
> I "bench Bled" my calipers Before I installed them.
>
>
>
> I also gravity filled the lines before I hooked up the calipers.
>
>
>
> Then I hooked up the brake line to the calipers and bled from the bottom up
> (with the for-mentioned oil can trick).
>
>
>
> Now, I have a different style of master cylinders, but I accomplished the
> whole thing in about an hour. Seems fine now.
>
>
>
> Kurt
>
>
>
> -----Original Message-----
> From: Jim Agnew <jim_agnew_2 at yahoo.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Sent: Mon, Apr 18, 2011 9:12 am
> Subject: Re: REFLECTOR: air in break line
>
> Before you go nuts trying to bleed the brakes take a look at the attached
> diagram for Matco brakes.  You will notice that the connections between the
> pistons are not in a straight line and require you to fill from the bottom
> piston up while adjusting the caliper position to allow the air trapped in
> the piston to escape up.  Note the pistons are hollow so the process of
> keeping the connections vertical also requires rocking the caliper side to
> side at the same time.
>
>
>
> Jim
>
>
> James F. Agnew
>
> Jim_Agnew_2 at Yahoo.Com
>
> Tampa, FL
>
> Velocity 173 Elite Aircraft Completed & Flying
>
>
>
>
>  ------------------------------
>
> *From:* Jerry Brainard <Jerry at jlbent.com>
> *To:* Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> *Sent:* Mon, April 18, 2011 9:49:44 AM
> *Subject:* Re: REFLECTOR: air in break line
>
> Just to be complete, did you use the little tubing inserts for the brake
> line fittings?  They go into the line to strengthen the tube under the
> clamping force of the brass ferrule.
>
>
>
> Do you have a parking brake?  We were never able to successfully bleed the
> brakes with that installed.  I assume it was the installation position
> because others have been successful.
>
>
>
> Another consideration might be to elevate the nose to help the air to move
> to the cylinders.
>
>
>
> Bleeding the brakes can be one of the most maddening things you will do on
> the Velocity.
>
>
>
> Jerry Brainard
>
> Jerry at JLBEnt.com
>  ------------------------------
>
> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org<reflector-bounces at tvbf.org?>]
> *On Behalf Of *Barry Gibbons
> *Sent:* Sunday, April 17, 2011 9:48 PM
> *To:* 'Velocity Aircraft Owners and Builders list'
> *Subject:* REFLECTOR: air in break line
>
>
>
> Hello
>
> For about two month I have been trying to bleed my left break. I replace
> the master cly. Three times, rebuild the caliber twice; replace break line
> to gear leg and still getting air in the line. No sign of fluid leak. It
> looks like it coming from the master cyl. After I reverse flow and no
> bubbles I stop. Then when I push on the brake you can see a bubble come from
> Master cyl. You wait until the next day you can see more air in the line.
> But changing it three times it has to be something else. Any suggestion on
> what I can try or where the air might be coming in from. I have done reverse
> flow and pumping break and bleeding at caliper.
>
> Barry
>
> _______________________________________________
>
> 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
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.tvbf.org/mailman/private/reflector/attachments/20110418/70a1b098/attachment-0001.htm>