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N1711Q Update
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Rick Hole
With the O200 engine out of service for five years or so we expected it
would take a while to develop oil pressure. Fill the sump nearly full, remove the plugs, fog the cylinders, run the starter. No pressure. Remove line at oil pressure sensor and pump oil to fill the line, also lines to/from oil filter. After several tries totaling about two minutes still nothing more than a flicker of pressure. We shut it down for the day. Next day we had the advice of an IA who did the same thing we did with success. Hurray, now we proceed to engine start. Hook up throttle, mixture, and carb heat and set the limits. Add five gallons 100LL. I noted that the fuel indicator remained at zero, some issue with the sensor no doubt. Pump up gas to the header and no sensor indication there either. Two fuel seeping leaks show there is fuel in the tank. Drain out the sump at the carburetor and call it a day. We noted no fuel flow indication as the fuel drained. All three fuel sensors are powered together so I suspect a fault in power or ground circuits. But this will not slow the engine start process. As soon as the leaks are fixed, we start the engine. One leak is in the packing of the fuel cutoff valve. The other is at the cork seal around the header tank fuel sensor. The Pitot tube has been replaced, second static port installed. Pitot and Static systems are GO in leak testing. I won't be long now! Rick Hole N1711Q
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Sounds like you've got some momentum going Rick! Where will you be for the long weekend of the 4th?Bruce
____________________________________________________________ 57 Year Old Mom Looks 27! Mom Reveals $5 Wrinkle Trick That Has Angered Doctors! http://thirdpartyoffers.juno.com/TGL3131/4e0fcf9ca05c71b5d00st04vuc
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Rick Hole
The fuel sensors turned out to be resistor-simulator types and once I
figured that out it was easy to get them to send a signal to the dual-meter gauge and to the GRT engine monitor. The two fuel leaks are fixed and when we "could not figure out anything else to do" we decided to attempt engine start. The O200 has been stored for five years so you just don't know if it will give trouble. We had some difficulty getting the oil pump primed the other day. So with the support crew in place and Scott Swing at the controls, we made the attempt. To our delight the engine fired on the first blade but ran only briefly before stopping of fuel starvation. Check that fuel cut-off valve. Yep, it is on. Maybe we should try "off". Next start was successful. And we put that valve actuator on the task list for rework. The engine parameters looked good. Tach read correctly. Oil pressure OK. All four cylinders showing performance on CHT and EGT. Fuel flow indication inop. Mag check showed right mag connection to be hot (added to task list) and no tach indication when right mag is selected. The engine ran smoothly. We had several starts this afternoon and are very pleased. After checking continuity of the mag key-switch, we concluded that the right mag P-lead must be open. Alas, it was necessary to pull the engine off the mount to check. And indeed the wire was open. Odd, it tested ok before assembly. At this point I do not worry about that, just remove the old wire and pull a new one. I do not want to deal with something intermittent later on. We have a nice video of the event to post. I remember the video upload was in limbo for a while and I do not see it on the website now. When downloads are possible I will post it. Meanwhile when video rendering completes I will post it on Vimeo and you can look at it there. Rick Hole N1711Q going flying in just a few more days
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Rick,Starting the engine must have been pretty exciting!! Glad to hear all of the problems are being worked out!Fun to hear of your progress!Bruce Crain
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---------- Original Message ----------
From: "Rick Hole" <r.hole@...> To: <Q-LIST@...> Subject: [Q-LIST] N1711Q Update Date: Tue, 5 Jul 2011 20:44:09 -0400 The fuel sensors turned out to be resistor-simulator types and once I figured that out it was easy to get them to send a signal to the dual-meter gauge and to the GRT engine monitor. The two fuel leaks are fixed and when we "could not figure out anything else to do" we decided to attempt engine start. The O200 has been stored for five years so you just don't know if it will give trouble. We had some difficulty getting the oil pump primed the other day. So with the support crew in place and Scott Swing at the controls, we made the attempt. To our delight the engine fired on the first blade but ran only briefly before stopping of fuel starvation. Check that fuel cut-off valve. Yep, it is on. Maybe we should try "off". Next start was successful. And we put that valve actuator on the task list for rework. The engine parameters looked good. Tach read correctly. Oil pressure OK. All four cylinders showing performance on CHT and EGT. Fuel flow indication inop. Mag check showed right mag connection to be hot (added to task list) and no tach indication when right mag is selected. The engine ran smoothly. We had several starts this afternoon and are very pleased. After checking continuity of the mag key-switch, we concluded that the right mag P-lead must be open. Alas, it was necessary to pull the engine off the mount to check. And indeed the wire was open. Odd, it tested ok before assembly. At this point I do not worry about that, just remove the old wire and pull a new one. I do not want to deal with something intermittent later on. We have a nice video of the event to post. I remember the video upload was in limbo for a while and I do not see it on the website now. When downloads are possible I will post it. Meanwhile when video rendering completes I will post it on Vimeo and you can look at it there. Rick Hole N1711Q going flying in just a few more days ____________________________________________________________ 57 Year Old Mom Looks 27! Mom Reveals $5 Wrinkle Trick That Has Angered Doctors! http://thirdpartyoffers.juno.com/TGL3131/4e13b5b1a23ab226401st04vuc
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Rick Hole
Here is the video of today's engine test run, with commentary:
<http://vimeo.com/26038774> http://vimeo.com/26038774 Rick Hole N1711Q Engine running
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quickheads
Hey Rick,
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Q-tube is working fine again. It's located here: http://www.quickheads.com/q-tube/frontpage.html You need to be logged-in to the website in order to upload videos directly to the site. Let me know if you have problems. In the meantime, I'll check out the VIMEO version. Nice work! Cheers, Dan Yager QBA Editor www.quickheads.com
We have a nice video of the event to post. I remember the video
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Dave Dugas
Rick
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Engine sounds good....just be careful pointing your plane into a hangar with people around. Congratulations. Dave D
--- On Tue, 7/5/11, dan@... <dan@...> wrote:
From: dan@... <dan@...> Subject: Re: [Q-LIST] N1711Q Update To: Q-LIST@... Date: Tuesday, July 5, 2011, 10:55 PM Hey Rick, Q-tube is working fine again. It's located here: http://www.quickheads.com/q-tube/frontpage.html You need to be logged-in to the website in order to upload videos directly to the site. Let me know if you have problems. In the meantime, I'll check out the VIMEO version. Nice work! Cheers, Dan Yager QBA Editor www.quickheads.com We have a nice video of the event to post. I remember the video
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Rick Hole
In the last several days we ran solved issues of no-alternator and
no-fuel-flow-indication. Those were wiring issues but did require pulling the engine. Today's engine test let us cross off the task list idle RPM and mixture, an unimportant engine alert indicator (who cares if EGT is below 1000!, at least not for now). The fuel level indicator problem is solved and the plane is ready to begin its conditional inspection. There's an indentation on the wing to fill, trivial. Tomorrow: bleed brakes and do a full power run up, and adjust prop pitch for static RPM limit. I will be off the project for a week. It should be ready to fly when I come back to it. It's getting exciting to see the task list shrink towards absolute zero :-) Rick Hole N1711Q Q200 rebuild at 99% complete and 1% to go
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Rick Hole
The canard delamination looked worse than it was. One area patched and one
bubble between micro and glass. N1711Q may yet fly this week Rick Hole (with Scott Swing) N1711Q Q200
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