Backcountry Pilot • Personal cruise speed tolerance

Personal cruise speed tolerance

A general forum for anything related to flying the backcountry. Please check first if your new topic fits better into a more specific forum before posting.
77 postsPage 4 of 41, 2, 3, 4

Re: Personal cruise speed tolerance

I just flew a nice 172 to town yesterday, cruised at about 95 kts. Was pretty happy with that.

Flew a PA-18 back. Cruised at about 75 kts. Was pretty happy with that.

If all you guys need your airplane ferried to the place where it is fun to fly it, let me know. Happy to help. I really do love to fly any speed.
Troy Hamon offline
User avatar
Posts: 913
Joined: Tue Apr 06, 2010 8:27 am
Location: King Salmon
FindMeSpot URL: http://share.findmespot.com/shared/face ... 04iX0FXjV2
Aircraft: Piper PA-22

Re: Personal cruise speed tolerance

Anything less than 120 kts over the ground.
Below that point, I think of the winds aloft forecast and look to move altitude to a faster situation...

So I guess that means 120 kts for me.

Any slower, and I feel like I might as well be dragging bigger tires and more STOL mods through the air, to justify travelling such a slow speed. No STOL mods, well then you might as well be going 180 kts with the same engine is a streamlined plane.
Battson offline
Knowledge Base Author
User avatar
Posts: 1810
Joined: Wed May 09, 2012 11:19 pm
Location: New Zealand
Aircraft: Bearhawk 4-place
IO-540 260hp

Re: Personal cruise speed tolerance

I'm kind of surprised that there's been 4 pages of responses on this thread. Just about everyone is basically saying "I wouldn't put up with a cruise speed any lower than what my airplane delivers"-- whether it's Battson's 120 knot Bearhawk or Ultralights 80 knot minimum.. Seems to me that for anything other than a high-speed traveler, people own whatever kind of airplane blows their skirt up and just put up with whatever cruise speed they get.
hotrod180 offline
Supporter
User avatar
Posts: 10534
Joined: Wed Jan 26, 2005 11:47 pm
Location: Port Townsend, WA
Cessna Skywagon -- accept no substitute!

Re: Personal cruise speed tolerance

hotrod180 wrote:I'm kind of surprised that there's been 4 pages of responses on this thread. Just about everyone is basically saying "I wouldn't put up with a cruise speed any lower than what my airplane delivers"-- whether it's Battson's 120 knot Bearhawk or Ultralights 80 knot minimum.. Seems to me that for anything other than a high-speed traveler, people own whatever kind of airplane blows their skirt up and just put up with whatever cruise speed they get.


Lol, very true. There are two versions of deciphering that - one is you buy what you feel fills the best mission statement for you, (one parameter of course is the speed range) and the second is you justify what you purchase.

And of course, perhaps the middle range (for BCP) is where the majority always runs. Seems the middle range here is pretty much 100 mph.

pb
Farmboy offline
User avatar
Posts: 83
Joined: Wed Jan 27, 2016 11:27 am
Location: Glens Falls / Middlebury
Aircraft: 500AGL Bearhawk Patrol

Re: Personal cruise speed tolerance

Besides pure speed, another consideration is fuel range. Fuel stops take a lot of time and rarely do the stops fall on the shortest lay line. So there is time wasted for diversion, descent, traffic pattern, landing roll, taxi, fueling process, restart, run up, taxi out, takeoff, climb, etc. It adds up big time. It usually costs me me 30 to 60 minutes at a minimum, and the bigger the airport the worse it is.

If I'm going somewhere, it is always faster to throw in the pee bottle, pull back the throttle, and keep her in the air. Admittedly, my preferred legs are 3 hours or less, but 5 or 6 hour legs are doable if prepared for them. If that eliminates 1 or 2 fuel stops, I'm way ahead time wise. A personal minimum reserve is 10 gallons, or about 1-hour in cruise so I'm good for 6-hours at 117 kts at altitude (above 7,000 feet), or a 700 nm non-stop range.

That can be pushed close to 1,000 nm going above 12k with O2 and tailwinds. on the other hand with strong headwinds, I'm lower and will push the fuel burn up to 12 to 13 gph to maintain ground speed but that is still 4.5 to 5 hours of air time, or just under a 600 nm range.

I'm sure glad to be back on the ground and done flying after those long legs, however. I non-stop Elko to Tucson and the reverse fairly often. Those trips range from 4.5 to 4.5 hours depending on winds. I considered getting a small go-fast to do the same thing then realized with a fuel stop, I wouldn't be saving any time, but it would burn less fuel, but I wouldn't be able to carry as much stuff. Trade offs abound!
blackrock offline
User avatar
Posts: 1576
Joined: Tue Jan 29, 2008 6:54 pm
Location: Elko, NV
FindMeSpot URL: http://share.findmespot.com/shared/face ... BFmtASxjeV
Aircraft: Bearhawk

Re: Personal cruise speed tolerance

I think maybe the speed that most of us are comfortable with is directly proportional to the thickness of our wallets! ;)

80-100kts seems affordable to most guys but once you go over 100 kts the fuel Burn seems to add up to 50%. I looked at 180/182's for my next plane but could never get the extra speed and fuel Burn match my airplane funds, especially since the kids are grown and gone, no real need for a heavy hauler with speed. To be perfectly honest, I just love being up flying around with no place in particular to go. Pull the throttle back and enjoy the scenery.
WWhunter offline
Supporter
User avatar
Posts: 2036
Joined: Sat Apr 02, 2005 1:54 pm
Location: Minnesota
Aircraft: RANS S-7
Murphy Rebel
VANS RV-8

Re: Personal cruise speed tolerance

As I type this, a solo pilot is crossing the Northern Pacific at 39 kt, so I guess he has the best cruise speed tolerance.

https://www.backcountrypilot.org/forum/ ... 50#p266750
deckofficer offline
User avatar
Posts: 225
Joined: Sun Nov 24, 2013 2:10 pm
Location: 1st Aero Squadron Airpark NM09, New Mexico
Bob

Re: Personal cruise speed tolerance

WWhunter wrote:I think maybe the speed that most of us are comfortable with is directly proportional to the thickness of our wallets! ;)

80-100kts seems affordable to most guys but once you go over 100 kts the fuel Burn seems to add up to 50%. I looked at 180/182's for my next plane but could never get the extra speed and fuel Burn match my airplane funds, especially since the kids are grown and gone, no real need for a heavy hauler with speed. To be perfectly honest, I just love being up flying around with no place in particular to go. Pull the throttle back and enjoy the scenery.



Slower is certainly less expensive per hour and not just with airplanes, but cars, boats, and trains too. Something about drag being proportional to the square of velocity...

Hard to beat the 2-seat Rotax powered planes for economy and still being fast enough to get someplace. =D>
blackrock offline
User avatar
Posts: 1576
Joined: Tue Jan 29, 2008 6:54 pm
Location: Elko, NV
FindMeSpot URL: http://share.findmespot.com/shared/face ... BFmtASxjeV
Aircraft: Bearhawk

Re: Personal cruise speed tolerance

Throttled back I have a calculated 8+15 endurance. That's with the VFR reserve already subtracted.

I'm not planning on testing that :shock: :shock:
CamTom12 offline
User avatar
Posts: 3705
Joined: Sun Jul 08, 2012 1:08 pm
Location: Huntsville
FindMeSpot URL: https://share.delorme.com/camtom12
Aircraft: Ruppe Racer
Experimental Pacer
home hand jam "wizard"

Re: Personal cruise speed tolerance

Eight hours plus is very impressive. How much range does that get you?
blackrock offline
User avatar
Posts: 1576
Joined: Tue Jan 29, 2008 6:54 pm
Location: Elko, NV
FindMeSpot URL: http://share.findmespot.com/shared/face ... BFmtASxjeV
Aircraft: Bearhawk

Re: Personal cruise speed tolerance

blackrock wrote:Eight hours plus is very impressive. How much range does that get you?


The math says about 820 nm. I can get ~100 kn at ~7 gph. I've got 61 gal capacity, so that's where all the big numbers come from.
CamTom12 offline
User avatar
Posts: 3705
Joined: Sun Jul 08, 2012 1:08 pm
Location: Huntsville
FindMeSpot URL: https://share.delorme.com/camtom12
Aircraft: Ruppe Racer
Experimental Pacer
home hand jam "wizard"

Re: Personal cruise speed tolerance

Cam's Pacer would outrun and use less fuel than the most common pipeline airplane, the 172. Insurance problems with older aircraft on DOT work is probably why some good older airplanes are not used. Also parts availability.
contactflying offline
Posts: 4972
Joined: Wed Apr 03, 2013 7:36 pm
Location: Aurora, Missouri 2H2
Download my free "https://tinyurl.com/Safe-Maneuvering" e-book.

Re: Personal cruise speed tolerance

Left unasked is: how short and rough of terrain do you want to land? I would have a very low tolerance for a faster plane that needed airstrips more then a few hundred feet long. About anthing we do to increase STOL ops decreases cruise speed. So, pick what you want, can't have both.

Some of the all composite European LSA types cruise well over 100 knots, at 3 or 4 gph. They are the speed v. fuel burn champs right now, but they're not landing at my place, once, maybe.
courierguy offline
User avatar
Posts: 4197
Joined: Thu Mar 31, 2005 6:52 pm
Location: Idaho
"Its easier to apologize then ask permission"
Tex McClatchy

Re: Personal cruise speed tolerance

My criteria:
4 seats
cavernous baggage compartment
1000# useful load
150 mph cruise
30 mph stall
burns 7 gph
purchase price under $40K
What should I buy?

(oops, almost forgot the :roll: )
hotrod180 offline
Supporter
User avatar
Posts: 10534
Joined: Wed Jan 26, 2005 11:47 pm
Location: Port Townsend, WA
Cessna Skywagon -- accept no substitute!

Re: Personal cruise speed tolerance

,
Hotrod180 wrote:
My criteria:
4 seats
cavernous baggage compartment
1000# useful load
150 mph cruise
30 mph stall
burns 7 gph
purchase price under $40K
What should I buy?
Here you go, this should do it.
It’s out of the UK.
Not sure who the US distributor is.

Image
Denali offline
User avatar
Posts: 809
Joined: Sun Sep 16, 2012 1:30 am
Location: East Coast USA

Re: Personal cruise speed tolerance

hotrod180 wrote:My criteria:
4 seats
cavernous baggage compartment
1000# useful load
150 mph cruise
30 mph stall
burns 7 gph
purchase price under $40K
What should I buy?

(oops, almost forgot the :roll: )


Yeah but... It don't burn 7 gph at 150 mph. (Unless it's an RV!).
Hoeschen offline
User avatar
Posts: 233
Joined: Thu Sep 24, 2015 11:24 am
Location: Fargo
Aircraft: 1956 C182, 2014 RV-9A

Re: Personal cruise speed tolerance

Yeah, the Rv's I've seen come into JC, that group of trouble makers, :twisted: ,always make damn impressive short landings, especially when compared to their cruise speeds. I remember when the RV 9 first came out, and it's lower landing speed with still decent cruise speeds were hyped. My first thought was: put VG's and and Airstreaks on it...... and maybe still cruise 125-135 mph ( I have a Montana friend who cruises his at 150 mph, at 5 gph), but still have a bit of STOL. But if I did that, I'd want Cub style gear, even then, maybe still above 100 mph cruise, maybe 115 or so? All the RV's I seen are into fast, not slow and short,
courierguy offline
User avatar
Posts: 4197
Joined: Thu Mar 31, 2005 6:52 pm
Location: Idaho
"Its easier to apologize then ask permission"
Tex McClatchy

DISPLAY OPTIONS

Previous
77 postsPage 4 of 41, 2, 3, 4

Who is online

Users browsing this forum: No registered users and 0 guests

Latest Features

Latest Knowledge Base