Nichrome wire

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Nichrome Wire to Make Your Own Igniters

Nichrome wire

Nichrome is a metal with high electrical resistence. When current is past through it, it heats up quickly. This makes it ideal for making igniters for model rocket engines.

We carry two sizes. The 28-guage wire is the thicker of the two. The 32-guage wire is very thin and is ideal for bridge-wires when attached to larger diameter wires.

10 feet minimum quantity.

Note: We do not supply the pyrogen for the igniter tips, nor do we have any formulas for the mixture.

Nichrome Wire Order Chart
P/N	Description	Diameter (in.)	Resistance ohm/ft	Price/foot	Place Order
24036	28 AWG	0.0126	4.040	42¢
24035	32 AWG	0.0079	10.871	42¢

How To Use Nichome Wire

In small black powder propellant motors, it is possible that nichrome wire can be used "bare". Simply bend a small piece in half and crimp it hard at the bend point to deform it. This makes a thinner spot in the wire which increases its resistence (it will heat up even faster at that point). It is then used like an ordinary igniter.

To increase the reliability, a pyrogen tip is added at the tip. This iginites first and then starts the propellant in the motor burning. Making pryrogen for the tip is requires a permit from the government. Please see how to get Level 1 certification for information on applying for a government permit.

Related Products and Information:

Quest Q2 igniters for black powder motors.
Copperhead Igniters for Small Composite Propellant Motors
Aerotech First Fire Jr™ Igniters for mid-power size composite propellant rocket motors.
Launch Controller and Launch Pad for small rockets.
Launch Controller for Mid-Power Rockets

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This page last updated on: 09/09/08

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