Author Posts

Raptor 90 G4 Main Gear

Jan 18, 2012 No Comments

It’s not very often I have a lot to say about the main gear of a helicopter, but this one is special and of a unique design that we have not seen in the past. The Raptor 90 uses a helical main gear that has several features. First of all it’s made of Delrin, which [...]

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Raptor 90 G4 Head

Jan 17, 2012 No Comments

This Raptor 90 G4 has a lot of unique design features, with one being the all metal flybarless rotor head which is a nice combination of both beauty and a great design. You can just see the quality of construction in the photo, but what is not quite so obvious is its unique design. All [...]

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Valley View Cellmeter 7 Battery Checker

Jan 17, 2012 No Comments

There are no shortages of battery checkers on the market, but this Cellmeter 7 from Valley View (www.valleyviewrc.com) has a lot of great features I have not seen in one checker before. It’s easy and safe to use and can check LiPo/LiFe/Li-Ion batteries with 2-7cells, Nicd/NiMH batteries with 4-7cells and read out total voltage, total battery cell capacity [...]

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Raptor 90 G4 Review Cont.

Jan 16, 2012 No Comments

The Raptor 90 G4 has several new and interesting design features, one of which is the all metal fan. As you can see in the photo, this is a completely different design fan than we have ever seen before. It’s hard to describe in words, other than to say it’s hollow and does not have [...]

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OS 91HZ-R 3D Engine with Powerboost Pipe

Jan 13, 2012 No Comments

My review of the Raptor 90 G4 is going to need a powerful and reliable engine to perform at its best, and what could be better than the OS 91HZ-R 3D with Powerboost Pipe. This basic engine is actually available in several different forms. First as mentioned here with a black head designed for 3D [...]

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Raptor 90 G4 Review

Jan 13, 2012 No Comments

Several years ago I reviewed the Raptor 90 3D for this magazine, and now the Raptor legend continues with the new and ever improved Raptor 90 G4.  Experience is a great teacher, and a great example of this is the Raptor line of helicopters, which uses their previous designs to continually improve their line of [...]

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New Hitec Servos

Jan 12, 2012 No Comments

Hitec is one of the leaders in R/C electronics, and they have just released information on their new HS-5565MH and HS-5585MH servos. These premium sport servos feature coreless motors, with heavy-duty metal gears and dual ball bearings, and are rated at 7.4 volts for 2SLiPo operation. The HS-5565MH is both high speed and powerful for helicopters up to [...]

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ArmSafe Switch

Jan 12, 2012 1 Comment

Schumacher Products has an interesting idea for a switch. Rather than the traditional switch that we move either on or off, this one is an open Deans connector. Since the electrical circuit is open the current has no place to go, and the radio is off. To complete the circuit, and turn on the radio, [...]

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