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RZB F1 25 May 2010 Sigh... One can't afford to be too sentimantal when it comes to designing an aircraft. So gone are the twin tails, and now also t
RZB F1 Big Twin Front 19 Mar 11
RZB F1 Big Twin Top 19 Mar 11 Often criticised for being too "close coupled", the Razorback looks deceptive. The numbers are spot-on, however, with
RZB F1 Big Twin 19 Mar 11 on ground As the design evolves, many things change. Notice: (1) Rudder now extends to bottom of fuse. (2) H-stab now hal
RZB F1 25 May 2010 Sigh... One can't afford to be too sentimantal when it comes to designing an aircraft. So gone are the twin tails, and now also t
RZB F1 23 May 2010 The guys on the forum have convinced me that (1) the twin tails were not a great idea (2) the hinge line of the rudder was too swe
I have greatly reduced the upsweep of the fuselage, making it possible to mount the wings low, and in the process lowering the twin T-tails considerab
Twin tails rule... Yes, I know there is the added surface area to contend with, and the additional interference drag - but they look cool. And they
rtfm

RZB F1 25 May 2010 Sigh... One can't afford to be too sentimantal when it comes to designing an aircraft. So gone are the twin tails, and now also t

addaon
Looks the best yet, Duncan. A few points:

1) What's your tail clearance in taxiing position? Looks like it might be getting a bit close to the dirt (but I actually kinda liked the T-tail).

2) What's your entry (door) look like? If you're carrying most loads through the strongback, can you go to a single piece windshield?}

3) That main gear is more far forward than I would expect (although not insanely so; it might very well be right). Are you sure you have your vertical CG estimated correctly?
 
rtfm
Hi Addaon,
Wow - not a lot gets past you, does it? Tail clearance is about 20 inches. Is that sufficient. do you think? As far as aircraft egress is concerned, I don't know (yet). I can't visualise it, and I can't do 3-D CAD, so I'm going to have to design it once it is a physical entity. I'm hoping to butterfly the rear window from the substantial side-post, which is straight. And you are spot on with the main gear position being incoirrect. It was out by just on 4.5 inches. I'd just forgotten to update the drawing from the calculations.

Cheers,
Duncan
 

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