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Magnet Selection chart
Updated Feb 2009
Some magnets are out of production, and are limited to stock on hand

P/N Height Long Thick Type Wing Cars Scale cars Dragsters
S7-303 .450" .385L .073" Angle tip Quads Gr-7 .480 arms qualifying & racing NO - Too much torque Low power tracks, more top end
S7-304 .430" 385L 073" Angle tip Quad Gr-7 .459 arms NO - Too much torque May lack bottom end
S7-305 .450" 385L .090 Flat Tip Quad Not used No Way!! World record holder!!!
S7-306 .430 385L 073" Flat Tip Quad Gr-7 .459 arms NO - Too much torque May work good, not tried yet
S7-307 .400" .440L .068" Flat tip single The baseline Gr-27 magnet, very popular! Long arms, produce good power Too soft for drag racing
S7-308 .380T .330L .065 Flat Tip Singles 

For C-12 and  Spray glue open racing

 not used Too soft for drag racing
S7-309 .450T .330L .065 Flat Tip Singles For C-12 and C-15, low power For .459 arms in .459 set-ups Too soft for drag racing
S7-310 .400T .330L .065 Flat Tip Singles For C-12 and C-15, Used in 1/24 Eurosport- a preffered magnet of Lee Gilbert's Speed Inc. cars Too soft for drag racing
S7-311 .450T .385L .073 Angle tip singles For Gr-27 and Gr-7 - .480 arms Typically too much magnet Too soft for Drag racing
S7-312 .430T .385L 073 Angle tip Singles For Gr-27 and .459 Gr-7  Typically too much magnet Too soft for Drag racing
S7-313 .450T .385L 073 Flat Tip Singles For Gr-27 and .480 Gr-7 Proslot Arms Typically too much magnet Too soft for Drag racing
S7-314 .430T .385L 073 Flat Tip Singles For Gr-27 and .459 Gr-7, likes Proslot Arms Typically too much magnet Too soft for Drag racing
S7-317 .400T .440L 073 Flat Tip Singles The equivalent of 307's for .480 set-ups or .459 Gr-27 arms. Not Used Too soft for Drag racing
S7-319 .450T .440L .085 Flat tip Quads Not Used Way too much magnet Main Gr-27 drag magnet
S7-352 .400T .385L 073 Flat tip Quads Qualifying or Med. Power Gr-7 or High power Gr-27 Too much torque Light, For low power conditions
S7-360 .400T .360L 073 Flat tip Quads Gr-7 Qualifying  Too much torque Light, For low power conditions
S7-365 .400T .400T 073 Flat tip Quads Gr-7 racing magnets for , 1997 Nat's winner Too much torque For low-med. Power conditions
S7-367 .400T .400T 064 Flat Tip Singles Med-Low power Gr-27 .480 arms For big arms, winner 1997 World's and Nats Not enough torque
S7-380 .400T .440L 073 Flat tip Quads High power Gr-27 racing, a bit heavy Too much torque Not enough torque
S7-381 .400T .400L 064 Angle tip quads Gr-27 med-high power racing, Too much torque Not enough torque
S7-386 .400 .400 .073 Angle tip quads Gr-27 high power racing,    
S7-388 .450 .360 .073 Angle tip quads Gr-7  Qualifying,    
S7-407 .060 .380 .073 Center segment Thin Center segment for multi- magnet motors Thin Center segment for multi- magnet motors Thin Center segment for multi- magnet motors
S7-411 .430 .360 .065 Flat Tip quad C-12 Qualifying    
S7-413 .400 .440 .073 Angle tip quads Gr-27 Racing - high power    
S7-415 .430 .400 .073 Angle tip quads Gr-27 racing General use    
S7-427 .450 .360 .065 Angle tip C-12 Racing    
S7-429 .480 .360 .073 Angle tip Gr-7 and C-12 Racing    
S7-439 .340 .380 .073 quads for V-8's To make multi-segment magnet motors Outer segments for 6 and 8 magnet motors .340 tall when 2 outer segments are together
S7-478 .089 .380 .073 Thick center segment For high torque 6 mag or up to 10 mag with S7-626 magnets    
S7-479 .089 .360 .073 Thick center segment Thick Center segment for multi- magnet motors    
S7-480 .089 .400 .073 Thick center segment Thick Center segment for multi- magnet motors    
S7-482 .060 .360 .073 Thick center segment Thin Center segment for multi- magnet motors Thin Center segment for multi- magnet motors Thin Center segment for multi- magnet motors
S7-483 .060 .400 .073 Center segment Thin Center segment for multi- magnet motors Thin Center segment for multi- magnet motors Thin Center segment for multi- magnet motors
S7-485 .320 .400 .066 Flat tip singles   Smooth low end power - 1/24 Eurosport not for drag racing
S7-486 .320 .380 .066 Flat tip singles   Soft bottom end 1/24 scale motor or high H.P 1/32 scale motor not for drag racing 
S7-487 .320 .330 .066 Flat tip singles   for 1/32 scale motors not for drag racing 
S7-500 .340 .360 .073 quads for V-8's To make multi-segment magnet motors for G7 & C-12 To make multi-segment magnet motors not for drag racing 
S7-501 .340 .400 .073 quads for V-8's

To make multi-segment magnet motors for

Gr-27

   not for drag racing 
S7-503 .300 .360 .073 quads for V-10's To make multi-segment magnet motors for G7 & C-12 To make multi-segment magnet motors not for drag racing 
S7-504 .300 .380 .073 quads for V-10's To make multi-segment magnet motors for G7 & Gr-27 To make multi-segment magnet motors not for drag racing 
S7-505 .300 .400 .073 quads for V-10's

To make multi-segment magnet motors for

Gr-27

   not for drag racing 
S7-560 .300 .360 .073 flat tip outer segments for multi-mag up to 22 mag To make flat tip multi segment motors Gr-7 / C-12 To make multi-segment magnet motors not for drag racing 
S7-561 .300 .380 .073 Flat tip outer segments for multi-mag up to 22 mag To make flat tip multi segment motors Gr-7 To make multi-segment magnet motors not for drag racing

 
S7-562 .300 .400 .073 Flat tip outer segments for multi-mag up to 22 mag To make flat tip multi segment motors Gr-27   not for drag racing
S7-563 .440 .360 .065 Quads for C-12 For C-12 racing   not for drag racing

 
S7-564 .060 .360 .075 center segment For Multi-mags up to 14 Mag C-12 and Gr-7 To make multi-segment magnet motors not for drag racing

 
S7-565 .060 .330 .075 center segment For Multi-mags up to 14 Mag C-12 and Gr-7 To make multi-segment magnet motors not for drag racing

 
S7-566 .089 .330 .075 center segment For high torque 6 mag  C-12 To make multi-segment magnet motors not for drag racing 
S7-567 .300 .330 .075 outer segment For C-12 10 mag To make multi-segment magnet motors not for drag racing 
S7-577 .040 .360 075 center segment center segment for multi-mag for making up to 28 mag To make multi-segment magnet motors not for drag racing

 
S7-578 .040 .380 075 center segment center segment for multi-mag for making up to 28 mag To make multi-segment magnet motors  
S7-580 .040 .330 075 center segment center segment for multi-mag for making up to 28 mag To make multi-segment magnet motors not for drag racing

 
S7-581 .040 .400 075 center segment center segment for multi-mag for making up to 28 mag    
S7-622 .028 .380 075 center segment center segment for multi-mag for making up to 34 mag To make multi-segment magnet motors  
S7-623 .028 .400 075 center segment center segment for multi-mag for making up to 34 mag   not for drag racing

 
S7-626 .220 .380 .075 outer segment Segment for making 34 mag motors To make multi-segment magnet motors not for drag racing

 
               

 

 

06/29/2009