XRAY M18

Team XRAY's 1/18th scale 4WD electric on-road micro car

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Manufacturer: XRAY Model Racing Cars
Scale: 1:18
Power: Electric
Surface: On-Road
Vehicle: Touring Car
Part Number: 380000
Release Date: 12/6/2003
Quick Link: http://www.XRAYM18.com

The new XRAY M18 is a unique 1/18 micro-sized, shaft-drive 4WD model racing car that is the epitome of a high-performance micro racing car. The M18 offers highest performance, responsive handling, and traditionally exceptional XRAY quality, engineering, and design.

The superb craftsmanship and attention to detail are clearly evident everywhere on the M18... the high performance 4WD drive shaft drivetrain... the well thought out chassis layout... the fully-independent suspension... the smooth flowing design of every part.

Main features:

• 1/18 professional 4WD shaft-drive micro car
• high competition micro car with highest performance
• racing characteristics of 1/10 touring cars
• ultra low center-of-gravity (CG)
• maximum drivetrain efficiency
• drivetrain includes 16 high-speed ball-bearings for maximum efficiency and speed
• fully independent front and rear suspension
• front and rear gear differentials
• adjustable shock position for damping adjustment
• coil-over shocks for precise chassis handling
• adjustable body posts
• easily-adjustable motor mount
• chassis accommodates 4 or 5 batteries (2/3A cells), or 6 batteries (optional)

Technical specifications:

• front width: adjustable 98~101mm
• rear width: adjustable 104~107mm
• length: 215mm
• wheelbase: 149mm
• front/rear camber: -1° (preset)
• caster: 12° (preset)
• front toe: 0.5° toe-out preset (adjustable option)
• rear toe: 4° toe-in preset (adjustable option)
• downstops: front/rear downstops preset (adjustable option)
• ride height: 3~4mm
• weight; 175g
• approx. running weight; 390g

Included:

• set of rubber tires + XRAY micro wheels, adjustable track-width
• 1/18 micro body 150mm
• front foam bumper
• pinion set
• BONUS: great HUDY 3.0mm screwdriver for kit assembly

Not included:

• radio system (transmitter and receiver)
• steering servo, motor
• battery pack (5 cell)
• speed controller and charger

Uses any standard micro parts and standard micro electronics:

• 150mm micro bodies
• standard micro wheels and tires
• standard micro motors
• standard or micro electronics
• micro steering servo recommended

Other features:

• Molded plastic drive shafts with universal joints.
• Front and rear ultra-smooth gear differentials with composite outdrives.
• Drive train includes 16 high speed ball-bearings which are degreased and light oiled for maximum drive train efficiency.
• The 4-wheel fully independent suspension uses upper and lower A-arms in front and rear.
• The XRAY M18 has ultra low center of gravity (CG).
• Adjustable shock position for easy damping adjustment.
• Coil-over shocks for precise chassis handling.
• Simple yet extremely effective precision steering system.
• Flat-piece composite chassis is ultra-smooth with countersunk screws and a molded-in center spine to increase the chassis' rigidity for precise handling.
• Front down-stops is preset but can be also easily adjustable. Front down-stop is adjusted only on front upper arms.
• Rear down-stops is preset but can be also easily adjustable. Rear down-stop is adjusted only on rear lower arms.
• Body posts are easily adjustable in front and in rear of the car.
• The motor mount is extremely easily adjustable, loosen two screws from the bottom of the chassis and slide the mount for different pinions. The motor mount accomodates standard stock and modified micro motors.
• Adjustable track-width is done through sliding the outer wheel onto inner rim.
• The high-density front foam bumper protects the front of the car.
• The front upper arms have preset 12° caster for extremely comfortable and easy handling of the car. For agressive high competition racing different caster arms are available.
• CNC machined 4mm aluminum drive shaft is notched at each end to fit perfectly into the input cup of each differential.
• The 36-tooth spur gear is mounted directly on the drive shaft in front of the rear differential.
• Set of 4 different pinions included. Molded composite pinion set includes 17T, 19T, 21T, 23T pinions.
• 150mm clear Lexan micro body included in the kit. Body cutting and painting is required. Window masks and body stickers included. Body type may vary and maybe different from the photo.
• Chassis accomodates 4 or 5 batteries (2/3A), optional chassis for 6 cells.
• Great BONUS - Free HUDY Phillips Screwdriver for complete kit assembly.
• Rubber tires with inserts are included in the kit, front and rear.

Reviews

Radio Control Car Action - March 2004

"The M18 may be smaller, but it gives up nothing in quality and sophistication to larger 1/10-scale electric touring cars. With a slick shaft-drive system and a fully tunable independent suspension, the M18 looks as if it has what it takes to set a new standard in 1/18-scale micro car performance."

"The M18's simple shaft-drive system makes it easy to build and maintain, and it provides quick acceleration... The M18's drive train is so friction-free that you can literally make the tires spin just by blowing on the spur gear."

"I knew the M18 would accelerate quickly because of its freely-spinning drive train, but its acceleration and top speed exceeded my expectations."

"Super-efficient drive train. Tunable independent suspension. Compatible with HPI Micro-RS4 body, wheels and tires. Excellent handling."

"The M18 may be smaller, but it gives up nothing to larger 1/10-scale 4WD touring cars in terms of performance... The parts quality and fit are second to none, and the excellent instructions make the M18 fun and easy to build. The M18 is also very sturdy and can take an amazing amount of abuse on the track. Overall, 'm extremely impressed with the XRAY M18 and recommend it to anyone looking for a small car with big performance."

Read the full article (PDF) | Visit the Radio Control Car Action Magazine website

Xtreme RC Cars Magazine - March 2004

"Known for high-quality, high-performance vehicles, XRAY seems to have done their homework when designing the M18. They took the micro class and brought it up to a whole new level."

"Considering the size, the suspension on the M18 is very impressive. The suspension has lots of cool little features... With almost as many suspension tuning options as a 1/10-scale sedan, the M18 definitely kicks it up a notch in the micro class."

"As usual, the instructions XRAY includes in the kit are in full color, simple to understand, complete, and are top-notch."

"Smooth drive train. Easy to drive. Lots of tuning adjustments. HPI plastic rims fit wheel adapters. Awesome handling capabilities."

Read the full article (PDF) | Visit the Xtreme RC Cars Magazine website

RC Driver - May 2004

"The handling of the XRAY M18 on pavement is just amazing. If only my daily driven full-scale car handled as well as the M18, I'd be a happy man!"

"Overall, I think the M18's advantage on an oval track is due to its super smooth drivetrain. On my road course, the XRAY M18 exhibited superior handling thanks to a very responsive suspension. One edge that the M18's shaft drive has over the competition is that you don't have to worry about getting any little rocks or pebbles stuck in the belt during outdoor driving."

"The M18 really shines with is four-wheel double wishbone independent suspension... With fewer moving parts, the front suspension is very smooth and precise."

"In my opinion, the drivetrain is the second best feature on the M18. It is super smooth. It is a center shaft driven, ball bearing rolling machine. By the way, the driveshaft is aluminum; XRAY didn't skimp."

"Awesome suspension. Super smooth drivetrain. Shaft driven. XRAY quality and customer service. Uses standard micro aftermarket accessories."

"...XRAY is one of the best in the world of electric touring sedan manufacturing. XRAY has taken their great reputation, attention to detail and traditional quality and engineered a micro weapon. With a clean and neat layout, XRAY made it easier to work on than most other cars of its size, but also designed it with less moving parts. The XRAY surpassed my expectations easily with its ultra smooth drivetrain, awesome independent suspension, and very responsive handling."

Read the full article (PDF) | Visit the RC Driver Magazine website