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#12
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Dan- The Beringer is engineered specifically for the narrow landing gear fork found on sailplanes. The disk and caliper are mostly inside the wheel rim so adequate clearance is achieved. The Stemme has much more room, so a Cleveland wheel and caliper are fine in that application. There simply isn't enough space between the gear legs for a Cleveland.
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#13
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Wings & Wheels offer disc brake conversion kits for a number of makes of gliders. Here's the ad for Schempp-Hirth gliders: http://wingsandwheels.com/conversion...mpp-hirth.html
I have no experience with these kits (and no connection to W&W). At one time I was considering modifying my LS8-18, but I've since found the factory brakes work well enough if you keep them adjusted properly. -John, Q3 |
#14
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Thanks for the info, Mark.Â* I had Beringer brakes on my Pipistrel and
they worked great. On 10/15/2017 8:42 AM, wrote: Dan- The Beringer is engineered specifically for the narrow landing gear fork found on sailplanes. The disk and caliper are mostly inside the wheel rim so adequate clearance is achieved. The Stemme has much more room, so a Cleveland wheel and caliper are fine in that application. There simply isn't enough space between the gear legs for a Cleveland. -- Dan, 5J |
#15
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System on W&W appears to be the exact caliper used on the Stemme.
On 10/15/2017 9:39 AM, John Carlyle wrote: Wings & Wheels offer disc brake conversion kits for a number of makes of gliders. Here's the ad for Schempp-Hirth gliders: http://wingsandwheels.com/conversion...mpp-hirth.html I have no experience with these kits (and no connection to W&W). At one time I was considering modifying my LS8-18, but I've since found the factory brakes work well enough if you keep them adjusted properly. -John, Q3 -- Dan, 5J |
#16
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On Sunday, October 15, 2017 at 11:39:57 AM UTC-4, John Carlyle wrote:
Wings & Wheels offer disc brake conversion kits for a number of makes of gliders. Here's the ad for Schempp-Hirth gliders: http://wingsandwheels.com/conversion...mpp-hirth.html I have no experience with these kits (and no connection to W&W). At one time I was considering modifying my LS8-18, but I've since found the factory brakes work well enough if you keep them adjusted properly. -John, Q3 On an LS8 I had with (useless) Tost drum brakes I sent the wheel to Vintage Brake in CA to reline the drums and replace the shoes with good ones. After that it actually braked! Low cost solution for drum brakes. Warning: if you want to do this mod send it soon because they get backed up with vintage motorcycles and they only do this work in Winter, after that they go racing! |
#17
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You, or someone similar, posted the same site for new friction material.
If it was you, thanks again. Not sure of any FAA implications using a different friction material, but yes, it can make a big difference. Some sailplanes I have flown/dealt with, one hard braking event meant basically no brakes until "massaged". This could be skuffing the shoes, sanding the drums. Again, one hard brake event, brakes were basically useless after that. Wash, rinse, repeat...... Worst was a "band brake" against the tire (SGS-1-26), Tost brakes are a bit better, but I call them "toast brakes" since they seem to need work after a hard stop to maintain efficiency. |
#18
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At 15:39 15 October 2017, John Carlyle wrote:
Wings & Wheels offer disc brake conversion kits for a number of makes of gliders. Here's the ad for Schempp-Hirth gliders: http://wingsandwheels.com/conversion...mpp-hirth.html I have no experience with these kits (and no connection to W&W). At one time I was considering modifying my LS8-18, but I've since found the factory brakes work well enough if you keep them adjusted properly. -John, Q3 The Tost catalogue shows a range of retrofit kits for drum to disk conversion, many with EASA or glider manufacturer approval. They offer kits for S-H gliders in both 4" and 5" wheel form, and acknowledge the space issues! No details are given on whose caliper is used, their own or Cleveland, but I'm sure they will tell you if you ask. |
#19
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On Saturday, October 14, 2017 at 10:29:58 PM UTC+2, WaltWX wrote:
Can anyone recommend the Beringer disc brake kit for Ventus, Discus or Schemmp-Hirth gliders? I'm seriously considering retrofitting my D2A after a nearly disastrous run off the runway up at Ely ... partially due to fading brake (plenty of pilot error problems too...) I'm especially interested in it's effectiveness to "... put the glider up on it's nose..." in cases of an emergency stop. Also, any issues or procedures for infield tire replacements. Walt Rogers WX The tubeless beringers on D2a's seemed to have repeated problems with flats in Australia at the worlds... unsure whether it was the heat or the thorns or both. |
#20
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I have converted my Ventus from drum brake to disc brake. I had to chose between Béringer and the relatively new Tost Penta, and I took the latter:
- I'd rather not have a tubeless - the Béringer kit is about 30% more expensive than the Penta kit - I talked to S-H, and they rather install Penta than Béringer. The Penta is about 50 grams more than the original drum braked wheel. Braking action is very good. |
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