---------------------------------------------------------- Rocket-List Digest Archive --- Total Messages Posted Sat 02/17/07: 8 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:27 AM - Nozzle Tuning (Wolfgang Meyn) 2. 08:59 AM - AP Performance (Wolfgang Meyn) 3. 09:19 AM - Re: AP Performance (Konrad L. Werner) 4. 09:38 AM - Re: AP Performance (Chuck Jensen) 5. 11:25 AM - Re: AP Performance (F1 Rocket) 6. 07:42 PM - Exhaust BPA interference (F1 Rocket) 7. 08:15 PM - Re: Exhaust BPA interference (Deems Davis) 8. 09:13 PM - Re: Exhaust BPA interference (John W. Cox) ________________________________ Message 1 _____________________________________ Time: 08:27:00 AM PST US From: "Wolfgang Meyn" Subject: Rocket-List: Nozzle Tuning Hi Guys, I just came back from a week of XC flying all over the Southern US. One of my stops was a visit at Don Rivera's Airflow Performance World Headquarters in Spartanburg, SC. He and one of his technicians (Kyle, if I remember correctly) spent one whole day to tweak my setup. We got the cylinders to peak within 0.2 of a Gallon FF and bumped the fuel pressure up to provide a more generous supply of the Blue Stuff. After everything was said and done I left with a wonderfully smooth running engine and due to my reset fuel pressure (36 gph on T/O) even more thrilling T/O performance than I had before. Dons outfit is immaculate, everybody I met was extremely helpful and working with them was a real pleasure. I can highly recommend his products and his operation. Cheers Wolfgang ________________________________ Message 2 _____________________________________ Time: 08:59:22 AM PST US From: "Wolfgang Meyn" Subject: Rocket-List: AP Performance Hi Guys, I am getting sick and tired of my TruTrak AP performance. Yesterday I flew a fairly long leg of about 2.75 hrs and the altitude functions of my AP (Sorcerer) simply stopped providing any services after about 2 hrs. of flight time. All this was preceded (not to speak of the 6 month I am trying to get this AP to work) by 2 hrs. of yo-yoing around at altitudes of 6500' to 12500' . >From the beginning of my trip the VNAV functions were unreliable, level offs were shaky, enroute descents (10000ft in 30 NM) impossible and roll steering so-so. Nothing about the performance of this machine appears to be predictable. The only thing which is reliable is that it will stop performing after a while. What a deal for $10000.00. I can't put my finger on one specific problem. In my case it's a multitude of problems and after half a year of fishing in the dark I simply want it fixed. I talked to many pilots in the last month and none of them (with the exception of some RV guys) had a fully functioning TruTrak AP. Please let's get together and form a solid front to get this fixed. I talked to F1 Boss yesterday and he signaled support. Please publish your experience on this forum. Cheers Wolfgang ________________________________ Message 3 _____________________________________ Time: 09:19:58 AM PST US From: "Konrad L. Werner" Subject: Re: Rocket-List: AP Performance Hey Wolfgang, Sorry to hear about your AP Troubles. What did TruTrak have to say about your complaints to the malfunctioning of their unit(s)? Curious to find out what their position is... Konrad do not archive ----- Original Message ----- From: Wolfgang Meyn To: rocket-list@matronics.com Sent: Saturday, February 17, 2007 10:01 AM Subject: Rocket-List: AP Performance Hi Guys, I am getting sick and tired of my TruTrak AP performance. Yesterday I flew a fairly long leg of about 2.75 hrs and the altitude functions of my AP (Sorcerer) simply stopped providing any services after about 2 hrs. of flight time. All this was preceded (not to speak of the 6 month I am trying to get this AP to work) by 2 hrs. of yo-yoing around at altitudes of 6500' to 12500' . From the beginning of my trip the VNAV functions were unreliable, level offs were shaky, enroute descents (10000ft in 30 NM) impossible and roll steering so-so. Nothing about the performance of this machine appears to be predictable. The only thing which is reliable is that it will stop performing after a while. What a deal for $10000.00. I can't put my finger on one specific problem. In my case it's a multitude of problems and after half a year of fishing in the dark I simply want it fixed. I talked to many pilots in the last month and none of them (with the exception of some RV guys) had a fully functioning TruTrak AP. Please let's get together and form a solid front to get this fixed. I talked to F1 Boss yesterday and he signaled support. Please publish your experience on this forum. Cheers Wolfgang ________________________________ Message 4 _____________________________________ Time: 09:38:04 AM PST US Subject: RE: Rocket-List: AP Performance From: "Chuck Jensen" TruTrak AP won't work....must be a Rocket thing??!!! Seriously, I take it you've talked to TruTrak and have sent the unit in for checkout? TruTrak is pretty diligent about customer support and there are a LOT of perfectly satisfied users, myself included, though with a TruTrak VGSV (or whatever) in a Velocity. After a couple months of original installation, it would wonder R/L at its pleasure. TT fixed it (an electronic gyro issue) by sending a new unit Next Day with the understanding that I would send my unit back when I got it removed from the plane--pretty trusting, I would say. Since then, it locks on altitude and lateral path like a bulldog and doesn't let go. Sound like your unit needs a little fixin' or, if the data stream is coming from an outside source, that that should be checked also. I have absolutely no first hand familiarity with the Magician, errrr Sorcerer, but I, and most people I know, give TT the benefit of the doubt when it comes to AP design and service. Chuck Jensen -----Original Message----- From: owner-rocket-list-server@matronics.com [mailto:owner-rocket-list-server@matronics.com] On Behalf Of Wolfgang Meyn Sent: Saturday, February 17, 2007 12:01 PM Subject: Rocket-List: AP Performance Hi Guys, I am getting sick and tired of my TruTrak AP performance. Yesterday I flew a fairly long leg of about 2.75 hrs and the altitude functions of my AP (Sorcerer) simply stopped providing any services after about 2 hrs. of flight time. All this was preceded (not to speak of the 6 month I am trying to get this AP to work) by 2 hrs. of yo-yoing around at altitudes of 6500' to 12500' . >From the beginning of my trip the VNAV functions were unreliable, level offs were shaky, enroute descents (10000ft in 30 NM) impossible and roll steering so-so. Nothing about the performance of this machine appears to be predictable. The only thing which is reliable is that it will stop performing after a while. What a deal for $10000.00. I can't put my finger on one specific problem. In my case it's a multitude of problems and after half a year of fishing in the dark I simply want it fixed. I talked to many pilots in the last month and none of them (with the exception of some RV guys) had a fully functioning TruTrak AP. Please let's get together and form a solid front to get this fixed. I talked to F1 Boss yesterday and he signaled support. Please publish your experience on this forum. Cheers Wolfgang ________________________________ Message 5 _____________________________________ Time: 11:25:12 AM PST US From: "F1 Rocket" Subject: RE: Rocket-List: AP Performance Hi Wolfgang, I'm sure you've already checked the obvious (static source, wiring)? Will yours hold altitude once set? I'm running the TruTrak with altitude hold, and GPSS coupled to a CNX80 (480 now). After initially tuning as per the manual, I just love my autopilot. To make it work right, I did have to do some tuning, but the manual worked good here. I don't fly heading too much, but in the beginning, it would loose heading every now and then, but I think it was more because I was doing heavy banking just before I activated it. If I do a roll, and don't wait at least one minute, the AP is very confused. Regards, Jeff -----Original Message----- From: owner-rocket-list-server@matronics.com [mailto:owner-rocket-list-server@matronics.com]On Behalf Of Wolfgang Meyn Sent: February 17, 2007 10:01 AM To: rocket-list@matronics.com Subject: Rocket-List: AP Performance Hi Guys, I am getting sick and tired of my TruTrak AP performance. Yesterday I flew a fairly long leg of about 2.75 hrs and the altitude functions of my AP (Sorcerer) simply stopped providing any services after about 2 hrs. of flight time. All this was preceded (not to speak of the 6 month I am trying to get this AP to work) by 2 hrs. of yo-yoing around at altitudes of 6500' to 12500' . From the beginning of my trip the VNAV functions were unreliable, level offs were shaky, enroute descents (10000ft in 30 NM) impossible and roll steering so-so. Nothing about the performance of this machine appears to be predictable. The only thing which is reliable is that it will stop performing after a while. What a deal for $10000.00. I can't put my finger on one specific problem. In my case it's a multitude of problems and after half a year of fishing in the dark I simply want it fixed. I talked to many pilots in the last month and none of them (with the exception of some RV guys) had a fully functioning TruTrak AP. Please let's get together and form a solid front to get this fixed. I talked to F1 Boss yesterday and he signaled support. Please publish your experience on this forum. Cheers Wolfgang ________________________________ Message 6 _____________________________________ Time: 07:42:57 PM PST US From: "F1 Rocket" Subject: Rocket-List: Exhaust BPA interference Hi all, Today I finally got around to installing my cold air induction and inverted system. Of course I left the exhaust to last. I have been running a Vettermann system, love it and people tell me it sounds great on the ground. Problem is that it interferes with the BPA cold air induction piping. Does anyone out there have the BPA system? If so what exhaust are you running and where can I get my hands on one? Regards, Jeff ________________________________ Message 7 _____________________________________ Time: 08:15:37 PM PST US From: Deems Davis Subject: Re: Rocket-List: Exhaust BPA interference John Forsling makes tuned exhaust for BPE Cold air. He is recommended by Allen Barrett. John actually spent time in BPE's shop and built several exhausts and ran them on BPE's dyno to see what worked and what didn't. John used to work work Vetterman before going off on his own. He's not an e-mail/computer guy. e-mail me off line for his phone number. I have his exhaust but have not installed it yet. It's ceramic coated inside and out and priced competitively. Deems Davis # 406 Finishing - ( A Misnomer ! ) http://deemsrv10.com/ > ________________________________ Message 8 _____________________________________ Time: 09:13:08 PM PST US Subject: RE: Rocket-List: Exhaust BPA interference From: "John W. Cox" John Forsling (Parker, CO) has Tuned Exhaust which is often ceramic coated, specifically routed for the Barrett Cold Air System and the Lycoming IO-540. John Cox -----Original Message----- From: owner-rocket-list-server@matronics.com [mailto:owner-rocket-list-server@matronics.com] On Behalf Of F1 Rocket Sent: Saturday, February 17, 2007 7:42 PM Subject: Rocket-List: Exhaust BPA interference Hi all, Today I finally got around to installing my cold air induction and inverted system. Of course I left the exhaust to last. I have been running a Vettermann system, love it and people tell me it sounds great on the ground. Problem is that it interferes with the BPA cold air induction piping. Does anyone out there have the BPA system? If so what exhaust are you running and where can I get my hands on one? Regards, Jeff ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rocket-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Rocket-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rocket-list Browse Digests http://www.matronics.com/digest/rocket-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.