Internet Pinball Machine Database: Sentinel Inc. 'Wonder Wizard™ Demolition Derby'

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Wonder Wizard™ Demolition Derby

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Wonder Wizard™ Demolition Derby / IPD No. 4891 / 1 Player

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Average Fun Rating:

Needs More Ratings! 6.9 / 10 (2 ratings) [ Add Your Rating! ]

Manufacturer:

Sentinel Inc.

Model Number:

PH7730WA02

Type:

Solid State Electronic (SS)

Serial Number Database:

View at The Internet Pinball Serial Number Database (IPSND.net) (External site)

Theme:

Sports - Demolition Derby

Specialty:

Non-Commercial Machine [Home Model]

Notable Features:

3 balls per play. Flippers (2), Pop bumpers (4), Slingshots (2), Kick-out hole (1). Plexiglas playfield cover. Pressing either flipper button operates both flippers simultaneously. Uses 1 steel ball. No adjustment for 5-ball play.

Tilt penalty: ball in play.

Games measures 45 inches long by 22 inches wide. The adjustable legs are 34 inches long.

Pop bumper bodies appear to be 70s Bally units with a "100" sticker added, using one solenoid per two bumpers. Pop bumpers, slingshots and rollovers are "switchless," using the conductive properties of the ball to connect two electrical contacts. While a slight bit clunky for response, this made for a very low maintenance machine. Slingshot "rubbers" are actually metal springs, which act as contacts.

Flippers are interconnected (non-independent), and powered by the same solenoid. Flippers also appear 3" long, but their fulcrum point is further inward than typical, making their action similar to a 2" flipper. Factory angle of flippers was very shallow, making their action awkward.

Nonadjustable tilt mechanism is a small metal bell on a ball-strand chain, suspended within a metal loop, similar in function to, but generally higher in sensitivity than a tilt-bob.

A 1000-point rebound switch in the lower right playfield is identified by its triangular yellow plastic marked "SMACK 100" which incorrectly labels it as a 100-point switch.

Notes:

Same playfield layout as
Sentinel Inc.'s 'Wonder Wizard™ CB Charlie'
Sentinel Inc.'s 'Flying Aces'
Sentinel Inc.'s 1977 'Star Explorer'
but with different artwork. Same exterior cabinet.

Photos in:

PinGame Journal, July 1997, page 23

Documentation:

4 MB

PDF

Owner's Manual

[Sentinel Inc.]

Images:
(click to zoom)

Backglass 330x300	Cabinet - Front View 264x291	Backglass 450x600	Cabinet - Full View 362x530	Backglass 375x286
Playfield 218x300	Playfield 240x300	Playfield 232x300	Cabinet - Right 374x300	Backglass 526x395 [Basil LeBlanc]
Lower Playfield 640x480 [Basil LeBlanc]	Upper Playfield 640x480 [Basil LeBlanc]	Playfield 480x640 [Basil LeBlanc]	Cabinet - Front View 466x633 [Basil LeBlanc]	Score Card* 640x480
Left Flipper Button* 640x480	Right Flipper Button* 640x480	Back - Detail* 640x480	Back - Detail* 640x480	Cabinet - Front View* 423x466
Illuminated Playfield 356x299 [Tom Raiker]	Backglass 1200x1388	Upper Playfield 1200x1600	Lower Playfield 1200x1600	Lower Left Playfield 1200x1600
Ball Shooter 820x1600	Cabinet - Left 1200x1445	Cabinet - Front View 1100x1396	Cabinet - Rear 1200x1427

Source:

ebay Dec 2003

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