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Spinner Back Plate http://t18.net/thorpforum/viewtopic.php?f=25&t=7042 |
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Author: | Fraser MacPhee [ Tue Jun 19, 2012 5:24 pm ] |
Post subject: | Spinner Back Plate |
Does anyone out there have a backing plate for a Thorp spinner and for a C/S Prop? - I have a Brock spinner that needs a little TLC - am not sure whether it is drilled for standard holes, but have access to a good AL welder to fill in the holes on the spinner if the need arises. The current backing plate has been drilled out twice and I should probably get a new one, rather than risk it's failure down the road. |
Author: | Rich Brazell [ Tue Jun 19, 2012 11:56 pm ] |
Post subject: | Re: Spinner Back Plate |
?QUE Paso ? What size Senior ? ![]() ![]() RB |
Author: | leewwalton [ Wed Jun 20, 2012 6:31 am ] |
Post subject: | Re: Spinner Back Plate |
Won't work RB he needs a cs backplate specific to the Thorp. A totally different breed from what is available from ACS. One other option for you Frase is the PA-30 or PA-23-250 spinner/backplate combo. That works on the Thorp too. |
Author: | Fraser MacPhee [ Tue Jul 03, 2012 9:14 pm ] |
Post subject: | Re: Spinner Back Plate |
Floo up to Ogden last Friday to check out a composite company that makes spinners and back plates for all makes and models of aircraft - Nice young man said they would happily make one for the T-18. It was a short visit - the guy tried to sell me a different 13.5 inch spinner on the spot - a lot of talking - not enuff listenin - he quoted about 800 for the mold and a "few hundred" for a spinner and "I don't know, but we'll figger out sumpinout" about the back plate. Later that day, I ordered a spinner and back plate from Mike Archer and will have it in a cupla weeks. |
Author: | Rich Brazell [ Sun Oct 14, 2012 6:12 pm ] |
Post subject: | Re: Spinner Back Plate |
Pretty nice job for a cross dresser ! ![]() ![]() RB |
Author: | leewwalton [ Sun Oct 14, 2012 6:37 pm ] |
Post subject: | Re: Spinner Back Plate |
That's what I'm talkin a about! Looks great Frase! May it give you many years of fatigue free service! |
Author: | jrevens [ Sun Oct 14, 2012 10:42 pm ] |
Post subject: | Re: Spinner Back Plate |
It Looks very good Frase! |
Author: | mattst18 [ Mon Oct 15, 2012 5:10 pm ] |
Post subject: | Re: Spinner Back Plate |
Hi Fraser, What did you use for a front bulkhead? |
Author: | leewwalton [ Mon Oct 15, 2012 6:26 pm ] | ||
Post subject: | Re: Spinner Back Plate | ||
Matt, I copied Bob Highley's front bulkhead design. Fraser has a CS prop so it's not going to apply to a fixed pitch prop. Basically it's a formed aluminum ring bonded onto the spinner with an again formed kydex ring for anti-chafe against the prop hub. Here's a pic ...
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Author: | dickwolff [ Tue Oct 16, 2012 5:53 am ] |
Post subject: | Re: Spinner Back Plate |
With a little creativity and ingenuity, I think this method of making a "floating" front bulkhead could be made to work with a fixed pitch prop. I have been thinking of having the front bulkhead float on tube that is perfectly centered by the center hole in the prop hub. Same idea as Bob's, just a smaller hole/ring in the disk. The builder of Tim Brown's Thorp did something similar. http://thorp18.com/forum/images/postedi ... C00225.JPG d |
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