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Sky-Tec ST5 Series Starters

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12 Volt (C12ST5)24 Volt (C24ST5)
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Overview

Sky-Tec Flyweight™ Starters for Continental aircraft engines feature superior design features over old, heavy, stock OEM starters including:
• Durable, reliable design
• All-in-one bolt-off/bolt-on installation
• Eliminates continuous duty clutch on smaller series engines
•Positive disengagement eliminates wear while your engine is running
•Significant torque increase/multiple gear reduction
•Decreased current draw

Safe for ALL TCM starter adapters!
ST5 series starters offer the following features:
• Powerful 2.2 kW high-torque, permanent magnet motor
• Faster cranking RPM - typically 10-25% faster than heavyweight starters.
• Light weight (9.1 lbs!);
• Proven gear reduction drive train tempers current draw;
• TCM starter adapter friendly electromechanically engaged/disengaged drive system provides instantaneous release of the starter adaptor wrap spring virtually eliminating starter-induced adapter wear.
• Approved and recommended for ALL starter adaptors ("classic style", "improved style", "permold", "sand cast", etc.)
• A simple, easy-to-install, bolt-off/bolt-on, maintenance-free starter that fits the entire "large" series Continental engines (with right-angle starter adapters) from O-300-D through TSIO-550 engines
• Attractively designed and affordably produced making it the first and only choice in lightweight large Teledyne Continental engine starters.

How is the ST5 starter different?
The ST5 starter couples a high power 2.2 kW motor with an innovative solenoid-engaged (and disengaged) drive system completely disengages the powerful permanent magnet motor while the starter is unpowered eliminating possible TCM starter adapter wear while providing authoritative, high-torque starting. Positive solenoid enabled engagement and disengagement allows the TCM starter adapter to fully unwrap under all normal operating conditions thus greatly prolonging starter adapter life.

How do I know which one to buy?
If your TCM engine has a right-angle starter adapter at the rear of the engine and a clean source of nearly located battery voltage, chances are this starter is the right one for your application. Consult their extensive aircraft fit guide just to be sure.

Core Return Policy

Any unit being returned for core or warranty core credit shall be, as removed from the engine, complete and not disassembled. No core or warranty core credit will be allowed for automotive units. Units that are rusty or cannot be overhauled for any reason will be classified as scrap, having no value. Units which have been weld repaired, as well as units which have been disassembled and then reassembled with old parts, will also be classified as scrap, having no value. A percentage of the core value will be charged for all missing or damaged parts. At no time will the damaged or missing parts charge on any unit exceed the core value of that unit.

1. Core will only be accepted for credit 12 months from date of invoice.
2. Cores returned in excess of cores invoiced will not be accepted.
3. Cores must be of like purchase, a directly superseded unit or replaced unit when installing an STC'd product.
4. Competitive product cores are acceptable returns.
5. Cores must have a legible data tag for part and serial number verification.

Note: Customer will need to provide core for overhaul in the event our supplier does not have cores available to overhaul.

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Reviews

Great product.

Gary A Verified Purchase

SKY-TEC STARTER C24ST5

November 15, 2023

Great service reps, timely shipping

David A Verified Purchase

SKY-TEC STARTER C24ST5

November 7, 2023

Put this starter on my O 470 . Lighter and plenty of power.

Harvey C Verified Purchase

SKY-TEC STARTER C12ST5

January 23, 2023

Quick and easy replacement and saves about 9 lbs.

Geezer A Verified Purchase

SKY-TEC STARTER C12ST5

October 25, 2022

Starts a lot more aggressively than my old starter. I’m no longer sitting on the ramp hoping I’ll get one more blade past the windscreen to fire the engine.

Erich S Verified Purchase

SKY-TEC STARTER C12ST5

October 1, 2022

This is what you sent, but it is NOT what I ordered. And, No, my rating is not 5 stars.

David M Verified Purchase

SKY-TEC STARTER C12ST5

September 13, 2022

Got it the next day. Amazing customer service and top notch aircraft parts.

Michael D Verified Purchase

SKY-TEC STARTER C12ST5

May 14, 2022

Very nice works great about 4 pounds lighter than the original

Skyward V Verified Purchase

SKY-TEC STARTER C12ST5

April 14, 2022

Only had it in for a few starts but it turns the engine over without difficulty. Works a advertised. I put this on a O-470

Ronnie R Verified Purchase

SKY-TEC STARTER C12ST5

January 19, 2022

Works great!

Yuma A Verified Purchase

SKY-TEC STARTER C12ST5

December 21, 2021

Q&A

Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the warranty for this starter part # c24st5? Does the warranty / replacement get filed with aircraft spruce or the manufacturer?

Hartzell has a 2 year warranty that covers manufacture defects and covers the whole unit if defective. The manufacturer handles the warranty claim.

Q: Do the ST5 starters turn clockwise or counter clockwise?

Clockwise when looking from the cockpit.

Q: Is the gasket included with these Sky tec ST5 series starters?

No, there is not a gasket as there is already an o-ring installed on the starter itself.

Q: Is there a core charge on the st5 skytec starter as each time I add it to the cart a core charge is added?

Yes, there is now a core / exchange charge associated with the purchase of Sky Tec starters. It is refunded when an acceptable core is returned after purchase.

Q: How do I return for core reimbursement? What paperwork do I need to get credit?

You will receive a core return RMA with your shipment. You use that RMA # to return your core to our facility for evaluation and refund credit.

Q: Are there overhauled ST5s available?

These are only available in new condition at this time.

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