Aircraft Spruce Australia
Melbourne, VIC Australia
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Dynafocal Engine Mount Rings & Kits
| Description | Part No. | Price | Buy |
|---|---|---|---|
| Dynafocal Ring for Lyc. 0-235 to I0-360 (200 HP) (Pre-Welded) | 33521 | $403.70 | |
| Dynafocal Ring for Lycoming 0-320B | 33521-B | $396.00 | |
| Dynafocal Ring Kit for Lyc. 0-235 to I0-360 (200 HP) | 33522 | $490.60 | |
| Retainer Cups & Rings Kit (includes 8 cups & 4 rings - all of #33522 kit except tubing) | 33253 | $274.94 |
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Overview
| Standard rings furnished with 2-3/4" I.D. retainers, completely welded, ready for mount assembly. The Dynafocal ring kits contain all tubing cut and bent, with 2-3/4" I.D. retainers, ready to weld. |
Reviews
quality part,
Verified Purchase
Dynafocal Ring&Cup Set Only
Looks to be really well made. Yet to make the complete mount
Verified Purchase
Dynafocal Ring #33521-1
We use these mounts to fabricate all of our landing gear conversion mounts for Pitts. Great quality and perfect fit to the engine. We use these with the Experimental Heavy Duty Engine mount set.
These are accurate engine mount rings that we use to manufacture Starduster engine mounts. Leaving a small unwelded area is a great idea to ensure success for the novice builder.
Unit looks great. Noticed that they left welds slightly incomplete probably to keep from getting blowout from pressure buildup when welding. Since welding has to be done to complete the custom engine mount it will be no big deal to close other welds up. Big thumbs up!
Poor description and photos. Poor listing as to which mounts fit with these cups. Also contacted lord directly and it took them over 2 weeks to reply. The Lord website is also very poor. Priced very high for what you get. Overall disappointed and I have never written a review ever!
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.
The 33521 is the standard mount with all the rings welded to the tubes to make a complete mount. 33521-B is similar to the 33521 but is a type 2 mount, which has an 18 degree angle. 33522 has the 2-3/4 inch I.D. retainers and the tubing cut and bent, and they must be welded all together to make the mount.
It is 1" x .049".
No, we are a distributor of aircraft parts only and do not conduct any manufacturing. We have full traceability back to the manufacturer on all of our parts.
Yes, 33521 is a Type I.
This is a Type 1 Dynafocal.
The ring ID is 2-3/4 and the hole ID is 1-3/8.
The rings are 13" center to center side-side and 10" center to center fore-aft. The tubing is 1-5/16" ID, 3" OD and .049" wall.
Yes, it is 4130 normalized chromally.
7/8 O.D., .058 wall thickness
