• Welcome aboard HomebuiltAirplanes.com, your destination for connecting with a thriving community of more than 10,000 active members, all passionate about home-built aviation. Dive into our comprehensive repository of knowledge, exchange technical insights, arrange get-togethers, and trade aircrafts/parts with like-minded enthusiasts. Unearth a wide-ranging collection of general and kit plane aviation subjects, enriched with engaging imagery, in-depth technical manuals, and rare archives.

    For a nominal fee of $99.99/year or $12.99/month, you can immerse yourself in this dynamic community and unparalleled treasure-trove of aviation knowledge.

    Embark on your journey now!

    Click Here to Become a Premium Member and Experience Homebuilt Airplanes to the Fullest!

Hombebuilt B-29/Stratocruiser

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

Workhorse

Well-Known Member
Joined
Mar 6, 2010
Messages
400
Location
Southern Spain
I’ve been thinking if the engine I have could propel a downsized b-29. I mean, we have a 35 hp 4st direct driving a 48” propeller giving about 110 Kg (242lbs) static trhust I guess.
Let’s have an airframe with 6.8m (22.3ft) wingspan. 43 sqft (4sqm) wing area. Aspect ratio 11.35. MTOW 250 Kg ( 551lbs) giving a wing loading of 12.8 lbsqft (63kgm2). Empty weight is 100 Kg, 220lbs (engine itself 101 lbs, 46 Kgs). Pilot and parachute another 220 lbs. 68 l or 18 gal of fuel . Fuel burning from 8-10 l/h, 2.1-2.6 gph.
Let’s again imagine a stratocruiser airframe we can fit in. Remove engines and fit the one I have in a blunt nose alike a bearcat. Put a RV3 canopy, and an underseat full of bead foam. The stratocruiser airfame would give you about 18” in the waist, 29” tall without canopy, 25”wide and still a cushion of 12” under the seat between spars.http://39th.org/39TH/images/cutaway/cutaway.gif. Karman fairings blending wing root and fuselage. Single wheel retract.
We can see the root airfoil http://www.ae.illinois.edu/m-selig/ads/afplots/b29root.gif give us room enough for intended fuel.
My question is if I could build a composite airframe weighting 120 lbs. If I could have fowler flaps, wich would be the take off run, stall and cruise speed?. With given tip airfoil http://www.ae.illinois.edu/m-selig/ads/afplots/b29tip.gif would we need wing washout?.
For trim there would be an adjustable angle of incidence device for the fixed part of the horizontal stabilizer.

Thanks for watching.
 
Last edited:
Back
Top