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StevensAero - Daddy-O (525), Nostalgic Sport Aerobat

Product rating
(6 reviews)  

Catalog Number
Shipping Weight
4.50 lbs
Product Origin
Made in Colorado, U.S.A
Wing Span (in.)
Wing Area (sq. in.)
Length (in.)
Flying Weight (oz.)
Loading (oz. / sq. ft.)
Wing Cube Loading
Control Layout
Buy Online
259.00 USD

  • Product Description
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  • Customer Reviews
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Delightful aerobatic model features nostalgic lines and solid aerobatic prowess. This design was derived from Thayer Syme's RC version of the McGuire Daddy-O and extensively re-engineered by Stevens AeroModel to improve both the flight performance and ease of construction.

Modern high performance sport pattern aerobat in a 1930's wrapper.

Make no mistake, the Daddy-O 525 is the premier kit build of 2010. 

Accepts popular 300W brushless outrunner motors (Hacker A30-16M). Awards: "Best Sport Model" NEAT Fair 2009 and "Best Sport Airplane" WRAM Show 2008
More detailed write up by the designer/builder of the Daddy-O 525 Here

Steve's Build Thread on Watt Flyer

Development Status:
In production. Now Shipping.  - Updated kit manual posted September 3rd, 2010

Included with model:

  • Hand selected AAA balsa and hardwoods laser cut to perfection
  • Simple plans free construction!
  • Photo Illustrated Instruction Manual
  • Hand selected, balsa strip stock (Leading Edge, Turbulators, and Spar Caps)
  • Carbon fiber and balsa composite main spar
  • Pre-formed landing gear
  • Comprehensive hardware package including wheels, control horns, and control rods.

Required to complete model:

  • 2-3 rolls of AeroFILM or AeroLITE covering film
  • 1 roll of AeroTRIM self adhesive film
  • Thin, Medium, and Thick CA glues
  • Sanding Block (Razor Plane is helpful)
  • Hobby Knifes, Covering Iron, and Heat Gun.
  • 1/5 Scale Pilot Figure Not Included
  • Hacker A30-16M motor, Phoenix 35 ESC, 3 HS-65HB servos, 1 HS-65MG servo, Radio, and two 12 in. servo extensions.

Simple 3-4 evening frame up for a builder of novice skill level!

Every Daddy-O 525 is carefully cut-to-order please allow 5-7 business days before shipment of this product.

Related Products

  • Daddy-O 525 - Cowl

    Replacement cowl for Stevens AeroModel Daddy-O 525 model airplane kit.
    9.99 USD
  • Daddy-O 525 - Replacement Motor Mount

    Replacement motor mount assembly will fit both Hacker A30-16M and SA SPORT BL.10 Motor.

    9.99 USD
  • SA Sport - Power BL.10e 1100KV (A2814-8) Brushless Outrunner Motor [SUPA2814-8]

    Use this motor with 3 cell Li-Poly packs and 10-11 inch "E" props on planes up to 60 oz flying weight. We suggest propping for around 300-350 watts continuous. 
    Similar to AXI Gold 2814/20, AXI Gold 2814/16, E-Flite Park 480, Hacker A30-16M.
    The motor features a 4mm hardened steel shaft, dual ball bearings for the shaft and has 4.0mm gold spring male connectors already attached with 3 female connectors included for your speed control. Also includes accessory package with aluminum radial cross mount set with 8mm prop adapter. Mounting holes are spaced 19mm on center and are tapped for 3mm (M3) screws. 
    Limited Warranty:
    This product is guaranteed to arrive to you operational, beyond that no additional warranty, guarantee of suitability, offer of service, or replacement is provided. We allow 30 days from the date of purchase for the end user to verify the function of this product and make a warranty claim.
    Extended Warranty (available as an option only at time of purchase):
    With purchase of extended warranty, Stevens AeroModel will repair or replace this item once within one year of date of purchase, no questions asked.  To redeem extended warranty defective item must be returned, at senders expense, to Stevens AeroModel along with copy of purchase receipt.  International warranty claims will be charged 5.00 USD (return postage and handling).
    35.00 USD
  • APC - 11x5.5E Thin Electric Propeller [APC11055E]

    High quality glass filled nylon propeller for higher powered electric RC model aircraft from the industry leader in model airplane propellers. Multiple hub adapters included to fit a variety of shaft diameters.

    Stevens AeroModel suggests that all electric applications exceeding 200W utilize APC's thin electric blade over the Slow Flyer or SF series. See specifications tab below for more detailed product information.

    To calculate the maximum RPM for APC thin electric propellers use the following formula:
    Maximum Safe RPM = 190,000/(Diameter In Inches)
    4.99 USD
  • StevensAero - Daddy-O 525, Float Kit

    Wooden float kit properly dimensioned, mounted, and engineered exclusively for our Daddy-O (525) kit. This attractive shaped flat bottom design ensures success when building, mounting, and flying. Lightweight construction properly stressed with plywood reinforced step and hard points. Includes comprehensive mounting hardware and pre-bent struts.

    Length - 29
    Width - 3.5
    Weight - 10 oz. / Pair

    Kit Includes:
    Precision Laser Cut AAA Balsa and Hardwood Parts.
    Mounting Hardware
    Pre-Bent Wire Struts
    Photo Illustrated Step-By-Step Instruction Manual

    1 Roll AeroLITE or AeroFILM covering film
    1 Can DEFT clear sealant (or similar)
    1 Daddy-O 525 kit from Stevens AeroModel
    95.00 USD

Customer feedback

Average customer rating:
(6 reviews)  

5 Most recent customer reviews (see all reviews):
Brian Martin- South Africa
Jul 28, 2016
As with all StevensAero models, this model is superb. I started building mine 2011, shelved i until now and can't figure why. Guess the other 11 projects got in the way. Be careful to concentrate- impossible to make a mistake?? well I built two right side wheel spats!!! fortunately I discovered this prior to balsa glue drying properly.
K. Walker
What a kit! I can't believe there is a stack of laser-cut parts nearly 3" thick! LOTS of formers and such! And your usual, and much appreciated, assortment of good-quality hardware. I was a little dubious at first at the $170 price, but now that I see the kit, I think it's WELL worth it! What a GREAT touch supplying the windshield not only cut to shape, but pre-drilled for retaining screws as well! Just one of the touches that justifiy the kit's price. I can see that you've done your usual great job in putting together a thorough and easy-to-follow manual. Well, I could go on and on, but I think that's enough for now! Congratulations on yet ANOTHER great kit.
T. Syme
Quite simply, this kit is phenomenal. Bill's creativity with the laser and attention to detail on this kit are unlike anything I have seen before, including his past offerings. He really took it to the next level with this one. As an example, he did the cutting for my original and used 14 sheets of wood in the process. This kit includes 29 sheets!

While it isn't scale, this kit reminds me a lot of the unbuilt Proctor kits I have seen. It has a lot of little details that most people would never think to include that really take it far beyond the norm. Sure, it costs more than an average kit, but this kit is definitely not average. I have to say, I honestly think it is a bargain, and expect most of his customers will agree once they have it in hand. I can't wait to get one and build it up.
J. Pierson (E-Zone)
Now this is the best lazer cut kit that I have ever built! And I have built Many!! ...any one that has always wanted to try a lazer cut kit, go for it, it is really fun and goes togeather so nice and easy! You can not build it wrong no way! You will love building this Airplane!!!
D. Hipperson (E-Zone)
For what looks like a relatively compex model the build is incredibly easy. I really have made no effort to hurry and yet in around 4 -5 hours of work much of the fuselage is completed and just as a change I constructed the tailplane, elevators, rudder and fin. Absolute Pleasure.

I thought that with that huge amount of instruction in the manual it might have been a bit time consuming but quite the reverse is true. As one might expect (now) from Stevens the fits are perfect and it all just slots together in the way you'd hope for in all kits.

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