04 Dec 2025, 13:19 [ UTC - 5; DST ]
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 05 Nov 2015, 11:11 |
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Joined: 11/09/13 Posts: 1910 Post Likes: +927 Location: KCMA
Aircraft: Aero Commander 980
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Count me in as another one in the full throttle take off club.
As Robert said it keeps a a engine out simpler to handle. One pilot ops has limitations it all seems easy until it's not.
Another point that has not been stressed is checking the temps when at full power. When I purchased my 421 the temps would slowly go up until setting off he jpi when I had full power applied.
They should not do that! You might need max continuos power for a long period of time.
I would occasionally climb to cruise or at least 10 k at full power just to verify that I have full powers available continuously. If set up properly the temps stabilize and remain in a normal range.
If you are in bad ice or OEI you will want and need everything the plane was designed to give you.
It simply a matter of having the fuel,flows adjusted properly.
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 05 Nov 2015, 21:15 |
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Joined: 11/08/12 Posts: 12835 Post Likes: +5276 Location: Jackson, MS (KHKS)
Aircraft: 1961 Cessna 172
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Username Protected wrote: Does anyone know where I can get a pdf version of the POH for a 421B? Pm me your email
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 00:24 |
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Joined: 04/28/09 Posts: 1556 Post Likes: +108 Company: ARC Group Medical Location: Jacksonville , FL (KCRG)
Aircraft: 1976 Bonanza V35TN
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Username Protected wrote: Does anyone know where I can get a pdf version of the POH for a 421B? Steve, Are you thinking about coming to the dark side of twin Cessnas? I love mine!!!
_________________ Former GenX Bonanza owner.... now flying the 421 Golden Turkey
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 00:25 |
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Joined: 12/25/12 Posts: 3924 Post Likes: +4185 Location: KRHV San Jose, CA
Aircraft: A36, R44, C525
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Username Protected wrote: Does anyone know where I can get a pdf version of the POH for a 421B? I have one also. Email me if you still need it
_________________ Rocky Hill
Altitude is Everything.
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 02:51 |
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Joined: 01/29/14 Posts: 206 Post Likes: +73
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Username Protected wrote: I went and looked at my first 340 today, and for all the people who said my family would probably out grow it in a few years, I have to agree. After looking at it, it is bigger then the Baron, but the nose baggage was smaller then what I was hoping for and since most people fly with the 5th seat removed, and I will need that seat in there alot, we have decided to scratch the 340 from our looking pull and just look at 414's and 421. All the advice has been great so far, I really appreciate the time everyone who has responded has put into their posts. My 78 P210 has a useful load of 1370 pounds. It has tip tanks - so nearly 7 hours with no reserves. I work on 5 hours with reserves, which takes us 900 nm in nil wind. This gives us 620 pounds for passengers and baggage. Our family of 5 (3 boys, 8, 6, 3 yrs old) only weighs 480 pounds at this stage - so we can still take 140 pounds of bags. The 210 has been a wonderful travelling machine for our family - very frequently we all pile into it. However I am very mindful of how quickly we are outgrowing the 210 - 3 boys grow before your eyes. Plus our 210 doesn't have any ice protection. I always thought a 340 or baron would be our next plane - but like Cliff I am starting to think a 414 or 421 is what we need. To compare to my 210 - how many pounds of people/baggage can a 421 carry going 900nm with 2 hours reserve?
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 03:08 |
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Joined: 12/17/13 Posts: 6654 Post Likes: +5963 Location: Hollywood, Los Angeles, CA
Aircraft: Aerostar Superstar 2
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Bottom line is - once you're into 421 feeding, you're into MU-2, Commander 690, Cessna 425 or B100 costs, kinda. So, would you rather have twice the room, twice the climb, twice the SE capability, twice the reliability and 50-100kts more speed for no extra money?
Orphaned geared twins make very little sense economically. Don't take this as geared engine hate - I used to operate one and know they're good engines, but you will spend $55K on a bottom of the barrel overhaul at 1200-1600hrs if no top end work is needed (which rarely happens). Add hoses and work to that and we're talking $80K/side. That's straight up turbine prices. Add double the cost for Avgas vs Jet A1, shitty resale value and it's just less advantageous.
_________________ Without love, where would you be now?
Last edited on 06 Nov 2015, 10:10, edited 1 time in total.
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 03:46 |
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Joined: 01/29/14 Posts: 206 Post Likes: +73
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Username Protected wrote: Bottom line is - once you're into 421 feeding, you're into MU-2, Commander 690, Cessna 425 or B100 costs, kinda. So, would you rather have twice the room, twice the climb, twice the SE capability, twice the reliability and 50-100kts more speed for no extra money? I bet you would.
Orphaned geared twins make very little sense economically. Don't take this as geared engine hate - I used to operate one and know they're good engines, but you will spend $55K on a bottom of the barrel overhaul at 1200-1600hrs if no top end work is needed (which never happens, ever). Add hoses and work to that and we're talking $80K/side. That's straight up turbine prices. Add double the cost for Avgas vs Jet A1, shitty resale value and it's just a suckers deal. In all of Australia there are 3 MU2s, 2 425s, 0 690s. And none of any type in the state I live (West Aust). So whilst you may call the Cessna piston twin orphans, at least I can find someone here who will have experience in maintaining them. Lots of King Airs here, and even 441s, or pc12s - but they are another step up again, and not under contemplation. Personally I think the Cessna piston twins still have a lot to offer our family.
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 04:27 |
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Joined: 06/09/09 Posts: 4438 Post Likes: +3306
Aircraft: C182P, Merlin IIIC
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Some very nice Merlin's in Australia.
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 09:03 |
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Joined: 12/29/10 Posts: 2824 Post Likes: +2746 Location: Dallas, TX (KADS & KJWY)
Aircraft: T28B,7GCBC,E90
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Username Protected wrote: Orphaned geared twins make very little sense economically. Don't take this as geared engine hate - I used to operate one and know they're good engines, but you will spend $55K on a bottom of the barrel overhaul at 1200-1600hrs if no top end work is needed (which never happens, ever). Add hoses and work to that and we're talking $80K/side. That's straight up turbine prices. Add double the cost for Avgas vs Jet A1, shitty resale value and it's just a suckers deal. Huh? Sorry Adam, you're way off base here. Just check the RAM website or call Continental to get real prices on overhauled or new engines. Robert
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Post subject: Re: Cessna 340 vs 414 vs the 421 Posted: 06 Nov 2015, 09:12 |
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Joined: 10/27/10 Posts: 10790 Post Likes: +6894 Location: Cambridge, MA (KLWM)
Aircraft: 1997 A36TN
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Looking at RAM's site, I can see almost $70K that I'd send to RAM and I can easily see my way to over 50 hours R&R, plus misc expenses, so $80K is a chip shot from there I think. http://www.ramaircraft.com/engine-pages ... -520-n.htmLooking at Airpower, it seems like new might be the way to go here, as the premium isn't outrageous and getting a new case has some value in the GTSIO world, IMO.
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