Don't give up on your Hobbs....

gasman · #1 02-02-2012, 04:26 PM

The standard Hobbs meter will still be there counting your aircraft hours well after your EFIS or EMS has failed or been replaced.

Jeff R · #2 02-02-2012, 05:55 PM

I was debating about putting in a Hobbs, but it isn't very expensive and, for the reason you gave, went on and added it. If one is otherwise lacking in panel space, I don't think it is that big a deal to leave it out, but engine time in an EFIS can be reset, so having a real Hobbs might give some extra credibility when you go to sell the airplane.

Greg Arehart · #3 02-02-2012, 06:00 PM

I did exactly this, Hobbs tied to an oil pressure switch, but have had trouble with the switch or the Hobbs (not sure which, but I think the switch), so it hasn't been as accurate as my Dynon.

greg

jbagley · #4 02-02-2012, 06:23 PM

I have the same setup as Greg. I found my hobbs runs fast by about 10%. Must be one of those special units used on rentals.

Lars · #5 02-02-2012, 06:33 PM

Taken a few evenings ago...

Not running (let alone flying) yet, so accuracy has yet to be demonstrated.

Mel · #6 02-02-2012, 07:12 PM

Quote:

Originally Posted by Jeff R

If one is otherwise lacking in panel space, I don't think it is that big a deal to leave it out, but engine time in an EFIS can be reset, so having a real Hobbs might give some extra credibility when you go to sell the airplane.

Remember, it doesn't have to mounted in the panel. I can be behind the panel, under the panel, or even forward of the firewall.

mike newall · #7 02-03-2012, 03:10 AM

Why....................?

You are not renting it !

I just do not get this Hobbs thing - use tacho, or whatever your EFIS gives you and pay attention to oil changes - the end

Ironflight · #8 02-03-2012, 07:01 AM

Quote:

Originally Posted by mike newall

Why....................?

You are not renting it !

I just do not get this Hobbs thing - use tacho, or whatever your EFIS gives you and pay attention to oil changes - the end

Same for me - the first thing I did when I bought my first airplane (decades ago ) was to get rid of the Hobbs - I needed the panel space, and this was NEVER going to be rented to anyone....it was unconsciously symbolic, I think.

You can cheat the numbers with a Mechancial Tacho, Hobbs, or EFIS BTW....

Just my opinion, of course...do what works for you!

Paul

Greg Arehart · #9 02-03-2012, 07:01 AM

My "why" was that the Hobbs sits there with numbers on it whether or not the battery or engine is on. At the time of building, I hadn't trained myself to check the times on the Dynon before shutting down, and I could still look at the Hobbs after shutdown and determine my flying time. Of course if its not working properly, all bets are off. So now I'm using the Dynon more consistently for time.

Greg

turbo · #10 02-03-2012, 07:16 AM

i would say these hobbs are not what they are cracked up to be. my first one crapped out at 100 hours. at close to 4,000 the next one started acting up so a new oil pressure switch and hobbs installed. now my hobbs reads 40 hours. just like starting all over again except the eis has the correct time. seems like the log books would justify the real aircraft times.

Hobbs
a city in southeastern New Mexico, just west of the Texas border, southeast of Roswell; pop. 30,476 (est. 2008).

Hobbs, Sir Jack
(1882?1963), English cricketer; full name John Berry Hobbs. During his career (1905?34) he scored 61,237 runs and 197 centuries, and made 61 test appearances for England.