Webra Problems

[jivey61 at bellsouth.net]

  WoW  whatever happened to plug and play. It doesn't exist in this hobby.
  AIN'T it FUN.

  Jim Ivey
> 
> From: "RC Steve Sterling" <rcsteve at tcrcm.org>
> Date: 2004/08/01 Sun PM 07:30:48 EDT
> To: <discussion at nsrca.org>
> Subject: RE: Webra Problems
> 
> This morning, Gordon and I were at the field 'cussing and discussing the
> Webras, while practicing for next week's Fun & Sun. Mine, like yours Keith,
> runs fine.
> 
> We were going talking through the systems and Gordon mentioned that someone
> thought that the stock Webra pumps could loose prime if they got a slug of
> air.
> 
> Ah ha-- a difference. I use one of those bubbleless fuel tanks, MK I
> believe. Got it out of Central Hobbies.
> 
> I also think his pump pressure is too high. His high speed needle is at 1
> 1/4 turns out, mine is at 1 3/4 to 2 turns. I had to reduce my pump pressure
> when I first got it.
> 
> But Keith you are right. Several things gotta be right or it doesn't want to
> behave. Must have a type F plug or equivelent. Must have the tuned pipe the
> right length (at least if its a Greves). Must have the pump pressure right
> (not too high). Right fuel. No crud in the pump.
> 
> Maybe some luck?
> 
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of Keith Black
> Sent: Sunday, August 01, 2004 11:57 AM
> To: discussion at nsrca.org
> Subject: Re: Webra Problems
> 
> 
> Dennis,
> 
> I'm not trying to convince Gordon not to change engines, I'm not associated
> with any Hobby related industry and have no vested interest in Webra. If
> changing engines will reduce his frustration and allow him to enjoy pattern
> then that's probably what he should do. I'm just letting him, and others,
> know that I've personally had success with the engines and I'm offering my
> assistance if he'd like to get the Webra working and save some money.
> 
> Keith Black
> 
> ----- Original Message -----
> From: "Dennis Cone" <cone.man at verizon.net>
> To: "NSRCA" <discussion at nsrca.org>
> Sent: Sunday, August 01, 2004 11:25 AM
> Subject: Webra Problems
> 
> 
> > Keith,
> > I also was using a Webra and I also fly with Gordon. I have never owned a
> > four stroke and when UAV offered the Bully's I immediately bought the 120
> > and then the 145. These also had their quirks but were great engines. (I
> > still have the 145) So having only owned two strokes and using them to fly
> > pattern for the last ten years I feel fairly competent in my tuning
> > abilities. But the Webra taxed those abilities to the point that after
> > fighting it for the entire summer and the last dead stick which resulted
> in
> > an off field  landing which removed the fixed gear from the plane I said
> > enough was enough. So I removed the Webra and put in the OS 140 Rx, which
> > flew yesterday and performed wonderful. Now I can concentrate on flying
> > again instead of will it be running at the bottom of the Humpty.
> > Some history on the Webra is I was using the MC carb with the Futaba 9Z
> mix
> > programming. Bolly pipe, 16.5X12W prop and the Bully two plug head. And I
> > very seldom out of several gallons of fuel made a power on landing. This
> > motor had unbelievable power and always ran great on the ground. I believe
> > the pump is the problem but being so late in the year it is time to forget
> > the fiddling and move on. I can sympathize with Gordon and have witnessed
> > his frustration. We are both going to try to work this out but it will
> have
> > to be after the contest season is over.
> > I would like to hear from the group on their experience with the Mintors
> or
> > their knowledge of others experiences.
> >
> > Dennis Cone
> >
> >
> >
> >
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> >
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