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Lycoming 235 To 720 Engine Balancer

$423.50/Each
Price Includes GST
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Part# 15-09434
MFR Model# LYC-1

Overview

Balancing While You Fly

    Mounts directly behind the Prop on the flywheel of Lycoming Engines
    One time easy installation
    No Pre Balancing Required
    Will never need replacing
    Will let you make Minor repairs and fly

Reviews

I didnt notice an audible difference but could feel the instrument panel had reduced vibration. Also appears to have increased RPM at best power.

Mike S
March 29, 2024

I installed this balancer on my O320 with a wooden prop. It reduced significantly the vibrations, that at all RPM. Very satisfied. Bon vols! Hervé, France.

Herve J Verified Purchase

Engine / Prop Balancer 235 To 720 For Lycoming

May 24, 2023

I installed this balancer on my O320 with a wooden prop. It reduced significantly the vibrations, AT any RPM.

Herve J Verified Purchase

Engine / Prop Balancer 235 To 720 For Lycoming

May 24, 2023

My glareshield used to vibrate severely, and the compass was useless. I simply bolted on the balancer and went flying. I love it. My glareshield is perfectly steady now.

Wesley P
September 6, 2019

This device did nothing for my O320 and Sensenich ground adjustable prop. I could tell the minute I started the engine, but I went flying anyway and tried many different RPMs. I returned it and it took a long time to get my refund.

Larry K
April 28, 2019

Q&A

Please note, Aircraft Spruce Australia'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 Australia 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: How much does this Lycoming 235 to 720 balancer weigh on it's own?

Approx 1.26 lbs

Q: Can this be used with a constant speed prop?

Yes, it will work with a constant speed prop.

Q: What is the diameter of this Lycoming balancer?

11 inches.

Q: One last question pls: what is the maximum thickness of this Lycoming balancer ahead of the flywheel outer ring? Tk.

The maximum thickness is .017".

Q: Is this for experimental only or for certified as well?

This is for experimental aircraft only.