Maxford USA Hughes H-1 V2 Instruction Manual
ELECTRIC 50-INCH WINGSPAN
Hughes H-1 V2
INSTRUCTION MANUAL
Entire contents Copyright 2015 Maxford USA
Congratulations on your purchase of Maxford USA’s scale Hughes H-1 !
We invite you to enjoy the pride of ownership and the joy of flying this high
quality balsa, composite, and light-ply Almost-Ready-to-Fly aircraft.
TABLE OF CONTENTS
History of the Hughes H-1 ............ .........................2
Important safety precautions .................................. 2
Warranty, liability waiver, and return policy ......... 4
Special features of this Hughes H-1 ARF .............. 4
Specifications ......................................................... 5
Parts List ............................................................ 5
Assembly instructions ........................................ 5
Setup and adjustments ..................................... 12
Preflight checks ............................................... 13
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HISTORY
This is a scale model of the famous Howard Hughes H-1 from the Golden Age of
Aviation, the 20 year period between the end of World War I and the beginning of World
War II. Though originally designed simply for speed, the H-1 had many new features
that influenced the design of high- performance aircraft for years, including retractable
landing gear, gently curving wing fillets, rivets and joints that were flush with the
aircraft's skin, and ailerons that could be drooped when the flaps were fully extended,
improving lift along the full length of the wing for takeoffs and landings.
The original H-1 is now on display in the Golden Age of Flight gallery in the Smithsonian
National Air and Space Museum.
The 1st version of Maxford USA H-1 was released after nearly 2 years in development
and true to the original design, it is stable at both low and high speeds, features
concealed rudder and elevator controls, the new developed Max Cowling fiberglass
cowl, magnetic battery hatch, spring loaded tail wheel and optional retractable landing
gear.
Version 2 is the new improved version make this unique ARF even better than the 1st
version and now the retracts are included and fully installed.
IMPORTANT SAFETY PRECAUTIONS
TO PROTECT YOUR MODEL, YOURSELF & OTHERS
1. This product should not be considered a toy, but rather a sophisticated, working model that
functions much like a full-scale airplane. Because of its performance capabilities, this
product, if not assembled and operated correctly, could cause injury to you or spectators and
damage to property. Maxford USA provides you with a high-quality, thoroughly tested model
airplane kit with assembly instructions. However, the quality and capabilities of your finished
model airplane depend on how you build it, and your safety depends on how you use and fly
it. Any testing or flying of this model airplane is done entirely at your own risk.
2. Assemble the model airplane according to these instructions. We recommend that you do
not alter or modify the model, as doing so may result in an unsafe or unworkable model. In a
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few cases the instructions may differ slightly from the photos; in those instances the written
instructions should be considered as correct. If you have any question or concern about
these instructions, before you proceed with assembly of this product, contact us at (562)
529-3988, Monday through Friday, except national holidays, between 8:30 AM to 5 PM
Pacific time.
3. It is your responsibility to install the R/C system and other components in such a way that
this model airplane passes all applicable safety/range tests and that the power system and
controls operate smoothly and correctly.
4. Recheck the operation of this model airplane before every flight to ensure that all equipment
is still operating correctly and that the model has remained structurally sound. Also, before
every flight check all clevises and other connectors; do not fly without replacing any that you
find damaged or defective.
5. If you are not an experienced R/C pilot or have not flown this type of model before, we
recommend that you get the assistance of an experienced R/C pilot.
6. Throughout the lifetime of this model, use only the Maxford USA-recommended or samesized engine or equivalent electric power system and a new or well-maintained R/C radio
system and batteries recommended by the maker of the engine (or motor) and radio system.
7. LITHIUM BATTERY HANDLING & USAGE: WARNING!!
If you use LiPo batteries, read the
battery’s instruction sheet or on-line information. Failure to follow all instructions could result
in permanent damage to the battery, its surroundings, and bodily harm! If you crash this
model airplane, check for battery damage. Do NOT use or charge a damaged Li-Po battery.
ONLY use a LiPo approved charger. (NEVER use a NiCd/NiMH charger!)
ALWAYS set the charger’s output to match the battery’s voltage and mAh ratings.
ALWAYS charge through the battery’s “charge” connector. (NEVER charge through the
“discharge” leads.)
ALWAYS charge in a fireproof location.
NEVER place on combustible materials or leave unattended during charge or discharge.
NEVER charge a LiPo battery in excess of 4.2V per cell.
NEVER discharge a LiPo battery below 2.5V per cell.
NEVER allow battery temp. to exceed 150° F (65° C).
NEVER charge at a current greater than 1C (for example, in the case of a 900 mAh battery,
that’s 0.9 amps).
NEVER trickle charge.
NEVER disassemble or modify pack wiring in any way or puncture cells.
KEEP BATTERIES OUT OF CHILDREN’S REACH
8. While this kit has been flight-tested to meet or exceed our rigid performance and reliability
standards in normal use, if you plan to perform any extremely high-stress flying, such as
racing or advanced aerobatics, or if you plan to install a larger engine (or motor) than
specified, you (the buyer or user of this product) are solely responsible for taking any and all
necessary steps to reinforce the high-stress points and/or substitute hardware that is more
suitable for such increased stresses.
9. This model may include fiberglass and/or carbon-fiber reinforced plastic parts that may
require some cutting or sanding. Carbon-fiber and fiberglass dust may cause eye, skin and
respiratory tract irritation. If you ever grind, drill or sand such parts, always wear safety
goggles, a particle mask and rubber gloves; never blow into such a part to remove fiberglass
or carbon-fiber dust, as the dust may blow back into your eyes.
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WARRANTY, LIABILITY WAIVER, AND RETURN POLICY
Maxford USA guarantees this kit to be free from defects in material and workmanship at the time
of purchase. All of our products have been inspected in our factory and are checked again when
shipped from our warehouse.
However, Maxford USA cannot directly control the materials you may use nor your finalassembly process. Therefore, Maxford USA can NOT in any way guarantee the performance of
your finished model airplane. Furthermore, in purchasing this product, you (the buyer or user of
this product) exempt, waive, and relieve Maxford USA from all current or future liability for any
personal injury, property damage, or wrongful death, and if you (the buyer or user of this
product) are involved in any claim or suit, you will not sue Maxford USA or any of its
representatives.
If you do not fully accept the above liability and waiver, you may request a return merchandise
authorization number (RMA#) as explained in item 2, below.
If you think there is a missing part or any shipping damage, please read our after-sales service
and return policy as outlined below.
1. Inspect your order upon delivery for any shipping damage or missing part. If you find a
problem you must contact us within 10 days from receipt of your purchase by calling (562)
529-3988, Monday through Friday, except holidays, between the hours of 8:30 AM and 5 PM
Pacific time. During this telephone conversation, and with your support, we will determine
how to resolve your concern. (NOTE: Maxford USA Li-Po batteries are sold without warranty
and are not eligible for return or credit.)
2. To request an RMA#, call (562) 529-3988, Monday through Friday, except holidays,
between the hours of 8:30 AM to 5 PM Pacific time. If we elect to issue you an RMA#, you
must clearly mark this RMA# on the outside of the package. (No return or exchange will be
authorized after 10 days from the date of your receipt of the product; any package delivered
to us without a Maxford USA RMA# is subject to being returned to the sender, as received,
with return postage payable upon delivery.) Returned merchandise must be in its original
condition as received from Maxford USA, with no assembly or modification, in the original
packing materials, complete with all manuals and accessories. Return shipping and
insurance charges must be prepaid by you, the buyer.
3. Returned merchandise that is accepted by Maxford USA for credit is subject to a 10% to
20% restocking fee (the final amount will be determined by Maxford USA upon receipt and
examination of the returned merchandise).
Return Address:
Maxford USA Distribution Inc.
15939 Illinois Ave., #C
Paramount, CA 90723
IMPORTANT: Print the RMA# issued by Maxford USA on the package near the above address.
SPECIAL FEATURES OF THIS HUGHES H-1
Fits full assembled in most vehicles.
All assemblies are precovered and required openings are predrilled and/or precut.
The cowl and tail fairings are prefinished.
Each aileron is separately operated by its own servo.
True to scale stick-on markings.
Large hatch provides easy access to the battery and radio equipment.
.
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