---------------------------------------------------------- Rocket-List Digest Archive --- Total Messages Posted Sun 11/07/04: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:06 AM - Re: RMI - MicroMonitor (FRED LAFORGE) 2. 08:57 AM - Re: RV-List: RMI - MicroMonitor (JOHN STARN) ________________________________ Message 1 _____________________________________ Time: 06:06:00 AM PST US From: "FRED LAFORGE" Subject: Re: Rocket-List: RMI - MicroMonitor --> Rocket-List message posted by: "FRED LAFORGE" Tom, I like my micro monitor , it`s not the fanciest display but it has been reliable in my RV-4. Im going to put on in my rocket too. Fred LaForge RV-4 0-360 CS EAA Tech Counselor ----- Original Message ----- From: "Tom Gummo" Subject: Rocket-List: RMI - MicroMonitor > --> Rocket-List message posted by: "Tom Gummo" > > Long Report on the problem, support from the factory, and the repair of > The Rocky Mountain Instrument - MicroMonitor. > > > Do Not Archive > > > During the building process, I had to decide which engine monitor I wanted > yet could afford to install in my plane. Remember, this was before the > latest several monitors became available. Anyway, RMI unit was chosen. I > have a friend who is Electrical Engineer and he said he said it would be > fun to build the unit so the kit was ordered. During the assembly > process, he reported that it was the best electronic kit he had ever > worked on. During installation, two sensors didn't appear to work > properly and the company quickly sent out replaces after asking if we were > sure that they were installed properly. Of course, we said we were sure. > After the sensors arrived, it was found the we had wired them improperly > (the company didn't say I told you so but were happy to learn that we had > solved the problem. > > > For the next two years, the unit worked perfectly and just as advertised. > Then the unit started to have problems. It would reset itself, lock up, > and or just display incorrect data. An email to RMI and they sent a > troubleshooting manual the next day. Again with the help of the EE, we > started to find and fix the problem. As we had not changed anything, it > had to be in the "box" but test after test showed the box was working > correctly. Finally, we were able to determine that three sensors that > were acting up all used a 10 volt input. After checking each sensor, we > found that the connectors for the oil temperature were no longer protected > by shrink-wrap and was shorting out when the engine was running. How does > shrink-wrap disappear? I was sure that we never did any maintenance on > the sensor. Then I remember that we had removed the engine and it turns > out the over-haulers most likely removed the oil temperature probe. As I > had hardwired it, they had to cut the wires ! > and it was up to us to reconnect everything. (As a side note, when Jack > Starn AKA KABONG starting helping me over five years ago, I told him every > good thing I would credit for and he would have to accept all the blame > for all the mistakes.) Therefore, Jack didn't do a good job of putting > everything back together. > > > Good - The RMI unit works great. The company support is excellent. Any > problems were user generated. > > > Bad - Jack. :-) > > > Tom Gummo > Apple Valley, CA > Harmon Rocket-II > > do not archive > > http://mysite.verizon.net/t.gummo/index.html > > > ________________________________ Message 2 _____________________________________ Time: 08:57:52 AM PST US From: "JOHN STARN" Subject: Rocket-List: Re: RV-List: RMI - MicroMonitor --> Rocket-List message posted by: "JOHN STARN" Yes Sir, My Fault. Major Gummo, Sir........... 8*) JACK, John H., KABONG (ex-S/Sgt USAF, Det. Sgt Fontana PD) (As a side note: For those of you that have been at the hanger, APV, Pt. Mugu, Bakersfield or OSH.) Do you hear the sound of a raised BUZZZZZER ? 8*) KABONG Subject: RV-List: RMI - MicroMonitor RV-List message posted by: "Tom Gummo" Long Report on the problem, support from the factory, and the repair of The Rocky Mountain Instrument - MicroMonitor. Do Not Archive (As a side note, when Jack Starn AKA KABONG starting helping me over five years ago, I told him every good thing I would credit for and he would have to accept all the blame for all the mistakes.) Therefore, Jack didn't do a good job of putting everything back together. Bad - Jack. :-) Tom Gummo Apple Valley, CA Harmon Rocket-II