Comment

Comment by Bob Pustell on July 18, 2010 at 9:40pm

I am not a 701 driver, but from what I know of them, you have a loooonnnngg trip coming up. You will NOT see triple digits on the speed, in knots or mph. Take your time and enjoy the view.

Comment by Ralph Sanson on July 18, 2010 at 5:14pm

A lot of the engine/ prop issues you ask are dependent on what version of engine it has. The 2200 is rated for 3300rpm continuous but you probably wont be able to do that on this trip. Figure on a cruise power setting 200 - 300 rpm off max indicated rpm, or set throttle for max EGT if it has a gauge. This assumes a conforming installation and prop and engine compliant with the carb tuning SB. Not a lot you can do about this till you pick up the A/C.

Shock cooling is no different to handling of a small Continental, J1 Cub etc.

It might appear to use / blow an alarming amount of oil, depending on the dipstick version, some of these were recalibrated, some just fill to the low mark, mine never had an issue I just operate from full to low then add 1/2 litre

Be wary about fuel with low tank levels, easy to draw air at times of nose down or uncoordinated flight, feed from both tanks at these times.

goes into a headwind OK, low and slow, just mind the turbulence and sink off forests and hills, sink can exceed climb rate on a 2200 CH701 at times, dont know about slatless operations though.

Ralph - CH701 (stock) , 2200a solid lifters, 65 Kts cruise @ 15 Lphr

Comment by Rob Craigmyle on July 18, 2010 at 11:16am

Interested in information about top-end lubrication, Jab 2200 in Vx climb in a 701.

Comment by Rob Craigmyle on July 18, 2010 at 9:01am

Bob McDonald: "Flight plan for 65 mph ground speed."

That's just starting to sink in... I have 946.4 miles direct, I'm calling it 1000 for weather and Cumulus Comunus (Wash ADIZ). That's 15 hours of flying on heading. I feel like I'm going to Europe, but with a lot more landing opportunities. I'm hoping I can true out near 3 digits in knots with this one (maybe I'm wrong) how fast can these things go with a headwind, a Jab2200, a good prop, needles in the green and lots of cash for fuel?

Comment by Rob Craigmyle on July 18, 2010 at 8:52am

I guess I'm asking about Jabiru cylinder tolerances really: Can a Jabiru start any funny cylinder business going from cruise power and temps to idle?

Comment by Rob Craigmyle on July 18, 2010 at 8:51am

What's a good cruise-descent airspeed to use to mesh with traffic, and does the Jabiru believe in the shock-cooling scare?

Comment by Rob Craigmyle on July 18, 2010 at 8:48am

Canvassing another message board I got no response yet for this post (sorry for being redundant- can't help it, I'm not a jerk, just a CFI):

What's a good RPM in an all-day headwind? What's the most efficient zero-wind altitude? How far do you stuff the nose down when it goes BANG shhuddershudder on takeoff (although I don't expect it will)?

Slatless, Jabiru 2200 fixed wood prop, VGs, 170lb pilot 19 gals, 30 lbs stuff.

[flight exp] 7khrs cubs to caravans. I think I'm gonna fly it like a big slow empty caravan. Or maybe like a Spad. It looks like it climbs much like a Spad or a baby helio courier.

Comment by Rob Craigmyle on July 18, 2010 at 8:13am

About what airspeed allows a full-stall flare from power off approach (and flare without power) with flaperons at zero, and flaps full out?

Answers with slats are helpful too, I'm looking for ball-park numbers to shave the speed down to during early practice/familiarization.

Comment by Rob Craigmyle on July 18, 2010 at 8:09am

Thanks, Bob. On approach and flare, I'll be teaching the new owner to fly this well, and my philosphy is to learn the power-off glidepath for each landable configuration, and those become the "normal" approach, except for the special-situation drag-it-in bush approach. I do not like pilots who routinely and thoughtlessly set themselves (and passengers) up for a just-short-of-runway crash, should the engine get a case of the sneezes on approach.

Comment by Bob McDonald on July 18, 2010 at 6:45am

Flight plan for 65 mph ground speed. Carry power on the landing flair to arrest the high sink rate until you get a handle on it. The CH701/CH750/CH801 series don't actually fly...they are so ugly the earth repels them ! ;>)

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