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06 Dec 2019, 18:39 [ UTC - 5; DST ]


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 Post subject: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 11:03 
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Joined: 08/18/13
Posts: 1149
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Aircraft: CRJ 200, 700, 900
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Attachment:
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Sitting around today on hot reserve waiting for (hoping for) a trip in my usual spot; this is a badass view and might be the best office I’ve had yet, but I digress...

Look at these two birds. Why is everyone so in love with the ERJ? The performance is about identical to the CRJ, and I can’t see the point in the ERJ having the motors in the FOD suck position. Comparison is CRJ900 to ERJ175.

I don’t get it...what am I missing? Yeah, I know, the ERJ has autothrottles, but still; is there some advantage to under wing engine mounts that I’m not aware of?


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 11:19 
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Joined: 07/19/10
Posts: 1890
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Location: Iowa City, IA (KIOW)
Aircraft: 1967 Bonanza V35
Username Protected wrote:
I don’t get it...what am I missing? Yeah, I know, the ERJ has autothrottles, but still; is there some advantage to under wing engine mounts that I’m not aware of?

In my untrained opinion:
- thrust line
- noise in cabin
- (maybe) fuel system complexity


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 11:20 
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Joined: 11/06/14
Posts: 135
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Aircraft: 737
Username Protected wrote:
I don’t get it...what am I missing? Yeah, I know, the ERJ has autothrottles, but still; is there some advantage to under wing engine mounts that I’m not aware of?

In my untrained opinion:
- thrust line
- noise in cabin
- (maybe) fuel system complexity


Add in design inertia. The CRJ is derived from the Challenger business jet design.

Ben

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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 11:22 
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Joined: 09/10/13
Posts: 1943
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Location: Lexington, KY (KIOB)
Aircraft: G35 B95A Z526F SU26
:popcorn:

I dunno, but here are a few thoughts to toss into the debate:

- Less cabin noise with underwing engines?
- Conventional tail, no T-tail... is it better?
- more typical airframe structure without beefy engine support structure in cabin sidewalls?

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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 11:22 
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Location: Iowa City, IA (KIOW)
Aircraft: 1967 Bonanza V35
Now that I think about it, probably ease of maintenance? You don't need a lift for every small thing...


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 16:01 
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Joined: 01/31/12
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Company: Aerial survey (not my cessna)
Location: France/Germany
Aircraft: Cessna T-303
I fly the Ejet for a french airline, and get to position on the CRJ.

What we call the ERJ is usually the 145 (but maybe that's just us).
The Ejet has a much, much better cabin. More space, more light, and it can not be stressed enough, so much quieter.

So for the pax, the Ejet is certainly their favourite.
There is also the fact that for the pax, it looks like a mini-airbus, they seem to appreciate that more than the crj.

As to the front desk...The Ejet is a tad bit more modern, though it has all the idiosyncrasies from Embraer.
If anything goes wrong, power down power up.

It's much more reliable than the 145 in my very limited experience, especially with regards to the electric system.


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 16:45 
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Aircraft: CRJ 200, 700, 900
The ERJ145 is comparable to the CRJ200...tight little 50 pax jet, no leading edge devices, packs can’t keep the cabin cool enough on hot days. The engine configuration is the same. The ERJ175 is the underwing engine mount bird and it’s comparable to the CRJ900. I’ve never been in one. I think I need to poke my head inside one...maybe I’ll jump seat home in one and report back.


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 17:00 
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Location: Jackson, MS (KHKS)
Aircraft: 1959 Travel Air
It’s those underwing engines. That shows everyone you’re a real grown up airline pilot. Sorta like underwear with superheroes on it shows you dont need pullups anymore.


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 17:08 
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Location: San Carlos, CA - KSQL
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Username Protected wrote:
Sorta like underwear with superheroes on it shows you dont need pullups anymore.

Excellent analogy! :rock: :lol:

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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 17:13 
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Challenger 850 (CRJ200) - we called it our "Poorman's Global".... it's the exact same cabin dimensions as the Global.


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 17:16 
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Joined: 01/31/12
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Company: Aerial survey (not my cessna)
Location: France/Germany
Aircraft: Cessna T-303
Username Protected wrote:
The ERJ145 is comparable to the CRJ200...tight little 50 pax jet, no leading edge devices, packs can’t keep the cabin cool enough on hot days. The engine configuration is the same. The ERJ175 is the underwing engine mount bird and it’s comparable to the CRJ900. I’ve never been in one. I think I need to poke my head inside one...maybe I’ll jump seat home in one and report back.


I sort of know, thanks, I am rated on the ERJ (135/145) and Ejet (170/190) :D
I was talking about the Ejet...


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 17:57 
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Joined: 05/29/17
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Location: Hurst, TX
Aircraft: Sierra B24R
Think of the E175, assuming it has EWT performance, as the equivalent performance of a CR7 with the size of a CR9. Also with flaps 4 the short field performance is quite a bit better than the CR7, especially those earlier variants that had the old rudder actuator certified. Also with the E175 you can run optimum v speed ratios which can help quite a bit in hot and high scenarios.

Almost identical engines to the CR7, can haul more cargo, no T-tail, has an updated FMS, and carries more passengers in a roomy cabin. The C series cabin is quite small comparatively.


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 18:50 
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Joined: 02/05/15
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Location: KSLC
Aircraft: Divorced: AC690A-10
As someone who sits in the back of these things way more than even in my truck: I would rather ride in an ERJ170/175/190 than anything else running if I'm in coach. I would rather ride in a Metroliner than anything in the CRJ family. The folk I know that have flown both feel the same about the front office, too.


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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 19:24 
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Joined: 09/05/12
Posts: 5133
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Company: OAG
Location: Portland, OR (KHIO)
Aircraft: 1962 Bonanza P35
Username Protected wrote:
It’s those underwing engines. That shows everyone you’re a real grown up airline pilot. Sorta like underwear with superheroes on it shows you dont need pullups anymore.



Thomas The Train around my house, but same idea.

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I heart flying

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 Post subject: Re: CRJ vs. ERJ
PostPosted: 09 Sep 2019, 19:27 
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Joined: 02/09/09
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Location: Owosso, MI (KRNP)
Aircraft: 1969 Bonanza V35A
For what it's worth, the CRJ series (at least the 200) had a significant FOD problem until the airline that I flew it for stopped using reverse thrust over idle except for a few specific scenarios. They went from 70 FOD events over six years to none the last two years I was there...


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