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Since the P-40 is a semi-scale model it has been slightly tweaked to fly very well, but it does still have some qualities that make it a plane for relatively advanced pilots. Because of this, a beginner should not fly it. It does land very slowly for a plane of its type, and does perform very well. In the air, the P-40 flies very smoothly, and has no bad habits.
The P-40 does have pre-installed retracts in the wings, so unless you switch them out to a fixed gear (which requires much modification), or have a way to lock the retracts in the down position, you must have at least a 5-channel system.
Standard servos are more than adequate for the plane. But keep in mind that the better servos you use, the better the plane will fly. A low profile retract servo will also be needed.
You can use any 5-channel radio system.
Choose the lightest weight, highest power engine you can find, within the engine recommendations. The Saito 100 is a very good choice with this plane for unlimited performance.
Step 4On this kit, the belly pan did not extend fully to the fuselage in the front due to the notch for the wing mounting plate on the trailing edge of the wing. If necessary, you can simply enlarge the notch slightly with a file to move the belly pan foward to get a better look.
Step 1You will need to use a 5/64" drill bit in place of the 1/8" bit that is stated in the manual.Step 2This step was already completed on this model.
Step 2These did require some trial and error to get to fit, but it was not overly difficult. Just take your time to make them fit properly.Step 8When setting up the retracts, it does take some trial and error of the pushrods to get the retracts to lock in both the up and down positions. This will take experimentation through adjusting the length of the pushrod by adjusting the easy link on the servo arm, and also the easy link on the bell crank inside the wing. By adjusting both of these links, and also possibly adjusting the length out on the servo (moving in on the arm gives less throw, while moving out on the arm gives more throw), set the retracts so that they will fully lock in both the up and down positions. Be certain that they are fully locked by pulling on the gear legs and also visually checking the retract locking bar inside the retract to be certain that it is fully engaged.Step 10If the "up" and "down" stop set screws shown on page 21 of the manual are not set properly, the retract may bind and not lock, and could cause the gear to collapse. Be certain that after adjusting the set screw, that the retracts will still fully lock in both positions.
Before installing the fuel tank into the fuselage, note the postion of the plywood reinforcements inside the fuselage for the cowling screws, and mark their location on the outside of the fuselage as shown in step 5 in Section 14: Cowling installation. The location of these will be difficult to see after the tank is installed.
Technical questions about this Hangar 9 product should be directed to Horizon Hobby's Product Support Department:
Horizon Hobby, LLC. ATTN: Product Support 4105 Fieldstone Road Champaign, IL 61822
To place a Horizon Hobby Support Inquiry please visit our Inquiry Form Support Phone:(877) 504-0233 Fax:(217) 355-1552
If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:
Horizon Hobby, LLC. ATTN: Consumer Sales 4105 Fieldstone Road Champaign, IL 61822 Email: firstname.lastname@example.org Sales Phone:(800) 338-4639 Fax:(217) 355-1552
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